Greece
Opensignal is the independent global standard for analyzing consumers' connectivity experiences. Our industry reports are the definitive guide to understanding what happens when people use their mobile and broadband connections in their daily life.
Greece
Opensignal is the independent global standard for analyzing consumers' connectivity experiences. Our industry reports are the definitive guide to understanding what happens when people use their mobile and broadband connections in their daily life.
Key Findings
Cosmote continues to lead in overall and 5G download speed
Our Cosmote users continue to observe the fastest average download speeds in Greece — this time clocking up 49.7Mbps on overall networks and 161.6Mbps on 5G. Compared to the preceding July 2023 report, Cosmote’s Download Speed Experience score has declined by close to 5%, while its 5G Download Speed score has dropped by almost 12%.
Cosmote wins overall and 5G Coverage Experience outright
Opensignal’s new Coverage Experience metrics measure the geographic coverage of populated areas. The Coverage Experience award goes to Cosmote, which wins the award outright with a score of 8.2 points on a 10-point scale — 0.9 points ahead of Vodafone. Cosmote also triumphs for 5G Coverage Experience with a score of 3.6 points on a 10-point scale — twice that of the closest runner-up, Vodafone.
The most consistent experience is with Cosmote
Cosmote retains the Consistent Quality award, keeping hold of it with a score of 78.2%. Vodafone is in second place, 11.4 percentage points below the lead; Nova is in last place with 63.4%. This indicates that Cosmote users continue to see the greatest proportion of tests that meet the minimum thresholds to support more demanding commonly used mobile applications, such as video calling or uploading an image to social media.
Nova is top for 5G Games Experience
Our Nova users observe the best quality of experience while playing multiplayer mobile games over 5G networks. Moreover, Nova joins Cosmote on the winners’ podium for overall Games Experience.
Cosmote is the victor when to comes to overall on-demand Video Experience
Our Cosmote users in Greece continue to observe the best overall quality of experience while streaming on-demand video over mobile networks. Therefore, Cosmote is once again the outright winner of the Video Experience award. Meanwhile, there is no statistical difference in 5G Video Experience across Cosmote, Nova and Vodafone.
Cosmote remains ahead in 5G Availability
Cosmote reigns supreme in 5G Availability — the proportion of time 5G users connect to an active 5G signal — with a score of 17.7% and a lead of 7.4 percentage points over Nova and Vodafone. Additionally, Cosmote, Nova and Vodafone share the top spot for Availability — the proportion of time users spend connected to a cellular signal (3G or better).
Mobile Experience Awards
Market Overview
Cosmote has scooped up the majority of awards this time around — it wins or jointly wins 12 out of 15 awards. It is the outright winner in six categories: all three speed experience awards (Download Speed Experience, Upload Speed Experience and 5G Download Speed) and three coverage experience awards (Coverage Experience, 5G Coverage Experience and 5G Availability). Cosmote is also the sole lead in Video Experience and Consistent Quality.
The operator with the next largest haul is Vodafone, as it wins the 5G Upload Speed and 5G Live Video Experience awards outright and is a joint winner across three further categories. Nova is the outright winner of 5G Games Experience and shares first place in three categories.
In this report we examine the mobile network experience of the three main mobile network operators in Greece — Cosmote, Vodafone and Nova — over a period of 90 days starting on October 01, 2023 and ending on December 29, 2023, to see how they fared.
Overall Experience
National Analysis
Cosmote wins the Video Experience award outright with a score of 68 points on a 100-point scale and a lead of around three points over Vodafone and Nova, which place in second with their statistically tied scores of 64.5-65.5 points. All operators place in the Good (58-68) category.
Since the previous report only Vodafone's score has increased by a statistically significant amount — 2.3 points.
Video Experience scores account for adaptive bitrate streaming (ABR), a technology that allows Opensignal to accurately represent users' real video experience including video streams up to 4K quality.
A Good (58-68) rating means that our users are, on average, able to stream video at 720p or better with satisfactory loading times and little stalling.
Definitions
Opensignal’s Video Experience quantifies the quality of video streamed to mobile devices by measuring real-world video streams over an operator's networks. The metric is based on an International Telecommunication Union (ITU) approach, built upon detailed studies which have derived a relationship between technical parameters, including picture quality, video loading time and stall rate, with the perceived video experience as reported by real people. To calculate video experience, we are directly measuring video streams from end-user devices and using this ITU approach to quantify the overall video experience for each operator on a scale from 0 to 100. The videos tested include a mixture of resolutions — including Full HD (FHD) and 4K / Ultra HD (UHD) — and are streamed directly from the world’s largest video content providers.
In addition to Video Experience, we report on the following metrics related to video experience:
- 5G Video Experience: The average Video Experience of Opensignal users when they were connected to an operator’s 5G network.
- Video Experience – 5G Users: The average Video Experience of Opensignal users with a 5G device and a 5G subscription across an operator's networks. It factors in 2G, 3G, 4G and 5G video experience along with the availability of each technology.
- 4G Video Experience: The average Video Experience of Opensignal users on an operator's 4G network.
- 3G Video Experience: The average Video Experience of Opensignal users on an operator’s 3G network.
National Analysis
Cosmote and Vodafone win the Live Video Experience award jointly with statistically tied scores of 58.8-60.8 points on a 100-point scale and a lead of around 3.6 points over Nova, which places in third with its score of 56.2 points.
Cosmote and Vodafone place in the Excellent (58 or above) category, while Nova places one category lower — Very Good (53-58). An Excellent (58 or above) rating means that our users are, on average, able to stream video at least at 1080p with low loading times, little stalling and a satisfactory live offset.
Operators’ Live Video Experience scores are determined using a range of measures that impact users’ perceived live streaming viewing experience, including picture quality, video loading time, and stall rate, but also live playback offset — the time difference between real-time and the current playback position a viewer sees.
Unlike Video Experience, which represents on-demand video streams, Live Video Experience quantifies live video streaming used for current events. For example when users watch live sports, game streams, music concerts, or news where the event is happening at that moment in time.
Definitions
Opensignal’s Live Video Experience quantifies the quality of real-time video streamed to mobile devices by measuring video streams over an operator's network. The metric extends the existing International Telecommunication Union (ITU) approach used for Opensignal's on-demand Video Experience metric, built upon detailed studies which have derived a relationship between technical parameters, including live playback offset, picture quality, video loading time and stall rate, with the perceived live video experience as reported by real people. To calculate live video experience, we are directly measuring live video streams from end-user devices and using this extension of ITU's approach to quantify the overall live video experience for each operator on a scale from 0 to 100. The videos tested include a mixture of resolutions and are streamed directly from the world’s largest video content providers.
National Analysis
Cosmote and Nova are the joint winners of the Games Experience award with statistically tied scores of 67.7-68.1 points on a 100-point scale and a lead of around four points over Vodafone, which places in third with its score of 63.9 points.
Since the last report, Nova's and Vodafone’s scores have increased by 3.9 points and 2.7 points, respectively. Cosmote's score hasn't changed a significant amount since the previous report. As a result of this, Cosmote and Nova place in the Fair (65-75) category, while Vodafone places one category lower, in Poor (40-65).
A Fair (65-75) rating means that users find the experience to be ‘average’. In most cases the game is responsive to the actions of the player with most users reporting that they feel like they have control over the game. The majority of players report that they notice a delay between their actions and the outcomes in the game.
Definitions
Opensignal’s Games Experience measures how mobile users experience real-time multiplayer mobile gaming on an operator’s network. Measured on a scale of 0-100, it analyzes how our users’ multiplayer mobile gaming experience is affected by mobile network conditions including latency, packet loss and jitter.
Games Experience quantifies the experience when playing real-time multiplayer mobile games on mobile devices connected to servers located around the world. The approach is built on several years of research quantifying the relationship between technical network parameters and the gaming experience as reported by real mobile users. These parameters include latency (round trip time), jitter (variability of latency) and packet loss (the proportion of data packets that never reach their destination). Additionally, it considers multiple genres of multiplayer mobile games to measure the average sensitivity to network conditions. The games tested include some of the most popular real-time multiplayer mobile games (such as Fortnite, Pro Evolution Soccer and Arena of Valor) played around the world.
Calculating Games Experience starts with measuring the end-to-end experience from users’ devices to internet end-points that host real games. The score is then measured on a scale from 0 to 100.
In addition to Games Experience, we report on the following metrics related to games experience:
- 5G Games Experience: The average Games Experience of Opensignal users when they were connected to an operator’s 5G network.
- Games Experience – 5G Users: The average Games Experience of Opensignal users with a 5G device and a 5G subscription across an operator's networks. It factors in 2G, 3G, 4G and 5G games experience along with the availability of each technology.
- 4G Games Experience: The average Games Experience of Opensignal users on an operator's 4G network.
- 3G Games Experience: The average Games Experience of Opensignal users on an operator's 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO) network.
National Analysis
Cosmote wins the Download Speed Experience award outright with a score of 49.7Mbps and a lead of around 15.4Mbps (44.8%) over Vodafone and Nova, which place in second with their statistically tied scores of 33.6-35.1Mbps.
Compared to the last report, the average download speed of our Vodafone users has increased by 5Mbps (16.4%), while our Nova users saw a 4.8Mbps (16.8%) increase. In contrast, Cosmote's score has decreased by 2.5Mbps (4.7%).
Definitions
Measured in Mbps, Download Speed Experience represents the typical everyday speeds a user experiences across an operator’s mobile data networks.
In addition to Download Speed Experience, we report on the following metrics related to download speeds:
- 5G Download Speed: The average download speed observed by Opensignal users with active 5G connections.
- Download Speed Experience – 5G Users: The average download speeds experienced by Opensignal users with a 5G device and a 5G subscription across an operator’s networks. It factors in 2G, 3G, 4G, and 5G download speeds along with the availability of each technology.
- 4G Download Speed: The average downlink speed observed by Opensignal users when they were connected to 4G.
- 3G Download Speed: The average downlink speed observed by Opensignal users when they were connected to 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO).
National Analysis
Cosmote is the sole winner of the Upload Speed Experience award with a score of 10.8Mbps and a lead of 0.8Mbps (7.6%) over Vodafone, which places in second with its score of 10.1Mbps. Nova comes third with a score of 8Mbps.
Vodafone's score has increased by 0.7Mbps (7.6%, while. Cosmote's score has decreased by 1.1Mbps (9.2%), and Nova's score hasn't changed by a significant amount since the previous report.
Definitions
Upload Speed Experience measures the average upload speeds for each operator observed by our users across their mobile data networks. Typically upload speeds are slower than download speeds, as current mobile broadband technologies focus resources on providing the best possible download speed for users consuming content on their devices. As mobile internet trends move away from downloading content to creating content and supporting real-time communications services, upload speeds are becoming more vital and new technologies are emerging that boost upstream capacity.
In addition to Upload Speed Experience, we report on five supporting metrics related to upload speeds:
- 5G Upload Speed: The average upload speed observed by Opensignal users with active 5G connections.
- Upload Speed Experience – 5G Users: The average upload speeds experienced by Opensignal users with a 5G device and a 5G subscription across an operator’s networks. It factors in 2G, 3G, 4G, and 5G upload speeds along with the availability of each technology.
- 4G Upload Speed: The average uplink speed observed by Opensignal users when they were connected to 4G.
- 3G Upload Speed: The average uplink speed observed by Opensignal users when they were connected to 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO).
5G Experience
National Analysis
All of Greece’s national operators share the 5G Video Experience award with statistically tied scores of 74-74.5 points on a 100-point scale.
All the operators place in the Very Good (68-78) category. A Very Good (68-78) rating means that our users are, on average, able to stream video at 1080p or better with satisfactory loading times and little stalling.
5G Video Experience scores account for adaptive bitrate streaming (ABR), a technology that allows Opensignal to accurately represent users' real video experience including video streams up to 4K quality.
Definitions
5G Video Experience quantifies the quality of mobile video experienced by Opensignal users on real-world video streams when they were connected to 5G. The metric is based on an International Telecommunication Union (ITU) approach, built upon detailed studies which have derived a relationship between technical parameters, including picture quality, video loading time and stall rate, with the perceived video experience as reported by real people. To calculate 5G Video Experience, we are directly measuring video streams from end-user devices and using this ITU approach to quantify the video experience observed by our users on each operator’s 5G network on a scale from 0 to 100. The videos tested include a mixture of resolutions — including Full HD (FHD) and 4K / Ultra HD (UHD) — and are streamed directly from the world’s largest video content providers.
National Analysis
Vodafone wins the 5G Live Video Experience award outright with a score of 72.1 points on a 100-point scale and a lead of around 3.3 points over Cosmote and Nova, which place in second with their statistically tied scores of 68-69.4 points. All operators place in the Excellent (58 or above) category. An Excellent (58 or above) rating means that our users are, on average, able to stream video at least at 1080p with low loading times, little stalling and a satisfactory live offset.
Operators’ 5G Live Video Experience scores are determined using a range of measures that impact users’ perceived live streaming viewing experience, including picture quality, video loading time, and stall rate, but also live playback offset — the time difference between real-time and the current playback position a viewer sees.
Unlike 5G Video Experience, which represents on-demand video streams, 5G Live Video Experience quantifies live video streaming used for current events. For example when users watch live sports, game streams, music concerts, or news where the event is happening at that moment in time.
Definitions
Opensignal’s Live Video Experience quantifies the quality of real-time video streamed to mobile devices by measuring video streams over an operator's network. The metric extends the existing International Telecommunication Union (ITU) approach used for Opensignal's on-demand Video Experience metric, built upon detailed studies which have derived a relationship between technical parameters, including live playback offset, picture quality, video loading time and stall rate, with the perceived live video experience as reported by real people. To calculate live video experience, we are directly measuring live video streams from end-user devices and using this extension of ITU's approach to quantify the overall live video experience for each operator on a scale from 0 to 100. The videos tested include a mixture of resolutions and are streamed directly from the world’s largest video content providers.
5G Live Video Experience quantifies the quality of mobile video experienced by Opensignal users on real-world live video streams when they were connected to 5G.
National Analysis
Nova is the outright winner of the 5G Games Experience award with a score of 79.2 points on a 100-point scale and a lead of around three points over Cosmote and Vodafone, which share second-place with their statistically tied scores of 75.7-76.6 points.
All operators place in the Good (75-85) category. A Good (75-85) rating means that most users deem the experience acceptable. The gameplay experience is generally controllable and the user receives immediate feedback between their actions and the outcomes in the game. Most users do not experience a delay between their actions and the game.
Definitions
5G Games Experience measures how mobile users experience real-time multiplayer mobile gaming on an operator's 5G network. It analyzes how our users’ multiplayer mobile gaming experience was affected by mobile network conditions including latency, packet loss and jitter. 5G Games Experience for each operator is calculated on a scale from 0 to 100.
5G Games Experience quantifies the experience when playing real-time multiplayer mobile games on mobile devices connected to servers located around the world. The approach is built on several years of research quantifying the relationship between technical network parameters and the gaming experience as reported by real mobile users. These parameters include latency (round trip time), jitter (variability of latency) and packet loss (the proportion of data packets that never reach their destination). Additionally, it considers multiple genres of multiplayer mobile games to measure the average sensitivity to network conditions. The games tested include some of the most popular real-time multiplayer mobile games (such as Fortnite, Pro Evolution Soccer and Arena of Valor) played around the world. Calculating 5G Games Experience starts with measuring the end-to-end experience from users’ devices to internet end-points that host real games.
National Analysis
Cosmote wins the 5G Download Speed award outright with a score of 161.6Mbps and a lead of around 43.5Mbps (36.8%) over Vodafone and Nova, which place in second with their statistically tied scores of 115.9-120.3Mbps.
Compared to the last report, 5G Download Speed on Cosmote has decreased by 21.9Mbps (11.9%), while that on Vodafone and Nova haven't changed a significant amount since the previous report.
Definitions
5G Download Speed shows the average download speed experienced by Opensignal users across an operator’s 5G network. 5G Download Speed for each operator is calculated in Mbps (Megabits per second).
National Analysis
Vodafone is the sole winner of the 5G Upload Speed award with a score of 24.8Mbps and a lead of 2.5Mbps (11.3%) over Cosmote, which places in second with its score of 22.3Mbps. Nova comes third with a score of 20.1Mbps.
Since the previous report, Nova's 5G Upload Speed score has decreased by 5Mbps (19.9%). Vodafone's and Cosrmote’s score has decreased by 4.4Mbps (15%) and 2.8Mbps (11.1%).
Definitions
5G Upload Speed measures the average upload speeds experienced by Opensignal users across an operator’s 5G network. 5G Upload Speed for each operator is calculated in Mbps (Megabits per second).
Coverage
National Analysis
Cosmote is the outright winner of the Coverage Experience award with a score of 8.2 points on a 10-point scale and a lead of 0.9 points over Vodafone, which places in second with its score of 7.3 points. Nova comes third with a score of six points.
Definitions
The Opensignal Coverage Experience metric measures the extent of mobile networks in the places people live, work and travel. The metric represents the experience users receive as they travel around areas where they would reasonably expect to find coverage.
Traditional coverage metrics typically estimate either a percentage of land area covered, or a percentage of population covered; often neither will be an accurate measurement of the true user expectation and experience. In many markets there are areas where neither population density nor geographic area reflect the importance of coverage to users. For example, in a large mountain range most users will not expect coverage in the wilderness, but poor coverage in the relatively small area of a ski resort is critical for the enjoyment of a holiday. Estimates based purely on population give undue significance to coverage in the most densely populated areas.
Coverage Experience measures geographic coverage of populated areas and therefore more accurately reflects the coverage expectations and experience of typical users. It can give a result that is somewhat different to traditional estimates based on either geographic or population measures. The metric uses a scale from 0 to 10.
National Analysis
Cosmote wins the 5G Coverage Experience award outright with a score of 3.6 points on a 10-point scale and a lead of 1.8 points over Vodafone, which places in second with its score of 1.8 points. Nova comes third with a score of 1.3 points.
Definitions
The Opensignal Coverage Experience metric measures the extent of mobile networks in the places people live, work and travel. The metric represents the experience users receive as they travel around areas where they would reasonably expect to find coverage.
Traditional coverage metrics typically estimate either a percentage of land area covered, or a percentage of population covered; often neither will be an accurate measurement of the true user expectation and experience. In many markets there are areas where neither population density nor geographic area reflect the importance of coverage to users. For example, in a large mountain range most users will not expect coverage in the wilderness, but poor coverage in the relatively small area of a ski resort is critical for the enjoyment of a holiday. Estimates based purely on population give undue significance to coverage in the most densely populated areas.
Coverage Experience measures geographic coverage of populated areas and therefore more accurately reflects the coverage expectations and experience of typical users. It can give a result that is somewhat different to traditional estimates based on either geographic or population measures. The metric uses a scale from 0 to 10.
5G Coverage Experience shows the proportion of places Opensignal users with a 5G device and a 5G subscription had an active 5G connection.
National Analysis
All of the operators share the Availability award with statistically tied scores of 94.1-94.9%. This means that our Greek users spend over 94% of their time with a 3G or better connection.
Definitions
Our availability metrics are not a measure of a network’s geographical extent. They won’t tell you whether you are likely to get a signal if you plan to visit a remote rural or nearly uninhabited region. Instead, they measure what proportion of time people have a network connection, in the places they most commonly frequent — something often missed by traditional coverage metrics. Looking at when users have a connection rather than where, provides us with a more precise reflection of the true user experience.
We also keep track of the instances that leave mobile users most frustrated: when there is no signal to connect to at all. The most common dead zones users struggle with occur indoors. As most of our availability data is collected indoors (as that’s where users spend most of their time), we’re particularly astute at detecting areas of zero signal.
Our availability metrics take a user-centric, time-based approach that complements the user-centric and geographical-based methodology used by our reach metrics.
Availability shows the proportion of time all Opensignal users on an operator’s network had either a 3G, 4G or 5G connection.
National Analysis
Cosmote wins the 5G Availability award outright with a score of 17.7% and a lead of around 7.4 percentage points over Vodafone and Nova, which share second place with their statistically tied scores of 9.8-10.9%.
Definitions
Our availability metrics are not a measure of a network’s geographical extent. They won’t tell you whether you are likely to get a signal if you plan to visit a remote rural or nearly uninhabited region. Instead, they measure what proportion of time people have a network connection, in the places they most commonly frequent — something often missed by traditional coverage metrics. Looking at when users have a connection rather than where, provides us with a more precise reflection of the true user experience.
We also keep track of the instances that leave mobile users most frustrated: when there is no signal to connect to at all. The most common dead zones users struggle with occur indoors. As most of our availability data is collected indoors (as that’s where users spend most of their time), we’re particularly astute at detecting areas of zero signal.
Our availability metrics take a user-centric, time-based approach that complements the user-centric and geographical-based methodology used by our reach metrics.
5G Availability shows the proportion of time Opensignal users with a 5G device and a 5G subscription had an active 5G connection.
Consistency
National Analysis
Cosmote is the sole winner of the Consistent Quality award with a score of 78.2% and a lead of 11.4 percentage points over Vodafone, which places in second with its score of 66.9%. Nova comes third with a score of 63.4%.
Since the previous report, Vodafone's score has increased by 2.8 percentage points and Cosmote's score has decreased by one percentage point.
This metric measures if the network is sufficient to support common mobile application requirements at a level that is ‘good enough’ for users to maintain (or complete) various typical demanding tasks on their devices. It assesses a number of experience indicators such as download speed, upload speed, latency, jitter, packet loss, and time to first byte.
Definitions
Consistent Quality measures if the network is sufficient to support common mobile application requirements at a level that is ‘good enough’ for users to maintain (or complete) various typical tasks on their devices.
We combine different experience indicators such as download speed, upload speed, latency, jitter, packet discard, and time to first byte to calculate Consistent Quality. These components are evaluated against thresholds recommended by various more demanding common applications used for a range of common tasks.
To calculate the metric value, the proportion of tests that pass the requirements of Consistent Quality is multiplied by the test success ratio, which is the proportion of completed tests to all tests conducted. Tests that pass indicate that activities such as video calling, uploading an image to social media, or using smart home applications will be possible without noticeable lag or slowdown.
Related Analysis
Our Methodology
Collecting billions of individual measurements daily from over 100 million devices globally, Opensignal independently analyzes mobile and broadband user experience on every major network operator around the globe.
About Opensignal
Opensignal is the leading global provider of independent insights into consumers' connectivity experiences and choice of carrier. Our proprietary insights into mobile and broadband networks give operators the solutions they need to profitably compete and win, from executive level scorecards and public validation to pin-point level engineering analytics and consumer decision dynamics.
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Confidence Intervals
For every metric we calculate statistical confidence intervals indicated on our graphs. When confidence intervals overlap, our measured results are too close to declare a winner. In those cases, we show a statistical draw. For this reason, some metrics have multiple operator winners.
In our bar graphs we represent confidence intervals as boundaries on either sides of graph bars.
In our supporting-metric charts we show confidence intervals as +/- numerical values.
Why confidence intervals are vital in analyzing mobile network experience