Helio X25 (+Mali-T880) vs Snapdragon 650 (+Adreno 510) vs Snapdragon 820 (+Adreno 530) – performance, benchmarks and temperatures

Two of the leading mobile processor manufacturers – MediaTek and Qualcomm, are facing each other again today. In our case, we will put to tests Helio X25, Snapdragon 650 and Snapdragon 820 chips with the help of Meizu Pro 6, Sony Xperia X and ZTE Axon 7 respectively. We would like to first have a look at their specifications and then juxtapose their results from various benchmarks, and conclude with surface overheating tests. You can check the three models over here:

Meizu Pro 6 
Sony Xperia X
ZTE Axon 7

Specs sheet Helio X25 Snapdragon 650 Snapdragon 820
Process 20 nm 28 nm 14 nm
Cores 10 6 4
Frequency 1.55 – 2.5 GHz до 1.8 GHz 1.6 – 2.15 GHz
Architecture 2x Cortex-A72, 4x Cortex-A53, 4x Cortex-A53 ARM Cortex-A53 + Cortex-A72/ 64-bit support Kryo/ 64-bit support
GPU Mali-T880MP4 Adreno 510 Adreno 530

 

Helio X25 is a MediaTek mobile chip, which can be found in the smartphone Meizu Pro 6. It is manufactured through a 20nm technological process. The mobile processor has 10 cores, which are arranged in three groups – the first group is engaged in lighter tasks, and if needed, the other cores are employed as well. It features two powerful Cortex-A72 cores, running at up to 2.5GHz, four Cortex-A53 cores ticking at up to 2.00GHz and another four not so demanding Cortex-A53 cores with an operating frequency of up to 1.4GHz. The available GPU here is Mali-T880. Helio X25 boasts support of up to 32MP cameras, 4К video recording, displays with a resolution of up to 2560 х 1600 pixels, Wi-Fi 802.11ac, and LTE Cat 6 with up to 300Mbps of download speed and up to 50Mbps of upload speed.

You can find more useful information about Helio X25 on MediaTek’s official website:
http://mediatek-helio.com/x20/

 

Snapdragon 650 is a mobile chip by Qualcomm, which is available in Sony Xperia X. The 64-bit processor, manufactured through a 28 nm technological process, features six cores – the first four are the more economical Cortex-A53, whereas the other two are the more powerful Cortex A-72, ticking at up to 1.8 GHz. It boasts the support of up to Quad HD displays, 21MP cameras and 4K video recording and playback. Additionally, it offers the Qualcomm Quick Charge 3.0 technology that ensures quick battery charging. Also supported are Wi-Fi 802.11n/ac, Bluetooth Smart 4.1, NFC, and LTE Cat 7 connectivity, which brings up to 300 Mbps download and up to 100 Mbps upload speeds. The GPU, in this case, is Adreno 510.

You can find more information about Snapdragon 650 on Qualcomm’s official website: https://www.qualcomm.com/products/snapdragon/processors/650

 

The next Qualcomm representative – Snapdragon 820, is 64-bit, manufactured through a 14nm process. It is available in ZTE Axon 7 and has four Kryo cores – two ticking at up to 2.15 GHz and other two – at up to 1.6 GHz. Additionally, the mobile chip supports LTE Cat 12/13 providing download speed up to 600 Mbps (Cat 12), and upload speed up to 150 Mbps (Cat 13). Moreover, the specs are supplemented by Bluetooth 4.1, Wi-Fi 802.11ac 2×2 MU-MIMO, support of 4K screens, up to 25MP cameras and 4K video recording. Also available are Quick Charge™ 3.0 and WiPower for quick and wireless charging. Here the available GPU is Adreno 530.

You can find more useful information about Snapdragon 820 on Qualcomm’s official website:
https://www.qualcomm.com/products/snapdragon/processors/820

Benchmarks

In order to check the computing as well as graphics performance of the three chips we put them to a total of eight tests. You can find the results in the table below.

Benchmarks Helio X25 Snapdragon 650 Snapdragon 820
Geekbench 3 (Multi-Core) 5209 2652 3995
Vellamo 2 Metal 1121 820 2301
Vellamo 3 Metal 3184 2450 3534
Pi – 10 mil. (lower is better) 27.890 24.975 32.744
GFXBench 2.7 T-Rex (offscreen) 39 31 74
GFXBench 3 Manhattan (offscreen) 18 16 38
GFXBench 3.1 Manhattan (offscreen) 11 9.5 28
3D Mark Ice Unlimited 16447 18175 29540

Temperatures

Apart from performance, we also tested the three chips for potential overheating issues with the help of the Epic Citadel app. The latter allows us to simulate several hours of gaming. Immediately after this, we measure the temperatures in three sections of the smartphone’s back. Neither of the three phones displayed worrying values but ZTE Axon 7 definitely beat the other two devices. The photos below display the registered temperatures in the three sections of each smartphone’s back.

 

 

 

 

 

 

 

 

You can find out where the three smartphones are positioned in our graphics and computing power rankings. You can read more about these devices here:
Meizu Pro 6
ZTE Axon 7

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