Mediatek Helio X25 MTK6797T vs Mediatek Helio X20 MT6797

Mediatek Helio X25 MTK6797T

► remove Mediatek Helio X25 MTK6797T

The Mediatek Helio X25 MT6797T is an upper mainstream ARM SoC for smartphones (mainly Android based) that was introduced in 2016. It is manufactured in a 20 nm process and is equipped with 10 CPU cores. Two fast Cortex-A72 cores are running at up to 2.5 GHz, four Cortex-A53 cores at up to 2 GHz and four Cortex-A53 cores at up to 1.55 GHz. All cores support 64-bit and the utilization of three clusters is supposed to improve efficiency according to Mediatek. The two A72 cores are only designed for short "Burst-Performance scenarios" according to Mediatek and are probably not used for sustained workloads. Compared to the similar Helio X20, the X25 offers faster clocked CPU and GPU cores.

The integrated ARM Mali T880 MP4 GPU is clocked at up to 850 MHz and has four cluster (from 16) from the Midgard (4th Gen) architecture.

The chip also includes an LTE modem (Cat. 6 300/50 Mbps, DC-HSPA+, TD-SCDMA, EDGE, CDMA2000, ...) as well as a WLAN 802.11ac (280 Mbps) modem. GPS/Glonass/BeiDou is supported for location. The integrated video encoder can handle up to 4Kx2K H.265 at 30 fps and HDR. The SoC can also decode H.265, H.264 and VP9 in 4K30. 

Power Consumption

The processor is manufactured in a 20 nm process at TSMC and should have an average power consumption under load.

Mediatek Helio X20 MT6797

► remove Mediatek Helio X20 MT6797

The Mediatek Helio X20 MT6797 is an upper mainstream ARM SoC for smartphones (mainly Android based) that was introduced in 2016. It is manufactured in a 20 nm process and is equipped with 10 CPU cores. Two fast Cortex-A72 cores are running at up to 2.3 GHz, four Cortex-A53 cores at up to 1.83 GHz and four Cortex-A53 cores at up to 1.4 GHz. All cores support 64-bit and the utilization of three clusters is supposed to improve efficiency according to Mediatek. The two A72 cores are only designed for short "Burst-Performance scenarios" according to Mediatek and are probably not used for sustained workloads. 

The integrated ARM Mali T880 MP4 (according to Wikipedia) GPU is clocked at up to 780 MHz and has four cluster (from 16) from the Midgard (4th Gen) architecture.

The chip also includes an LTE modem (Cat. 6 300/50 Mbps, DC-HSPA+, TD-SCDMA, EDGE, CDMA2000, ...) as well as a WLAN 802.11ac (280 Mbps) modem. GPS/Glonass/BeiDou is supported for location. The integrated video encoder can handle up to 4Kx2K H.265 at 30 fps and HDR. The SoC can also decode H.265, H.264 and VP9 in 4K30. 

Power Consumption

The processor is manufactured in a 20 nm process at TSMC and should have an average power consumption under load.

Mediatek Helio X25 MTK6797TMediatek Helio X20 MT6797
Mediatek MediatekMediatek Mediatek
Cortex-A72 / A53Cortex-A72 / A53
: Mediatek Cortex-A72 / A53
» Mediatek Helio X25 MTK6797T2500 MHz10 / 10
Mediatek Helio X20 MT67972300 MHz10 / 10
Mediatek Helio X25 MTK6797T2500 MHz10 / 10
» Mediatek Helio X20 MT67972300 MHz10 / 10
2500 MHz2300 MHz
10 / 1010 / 10
20 20
UMTS/HSPA+, LTE Cat. 6, TD-SCDMA, 802.11ac WiFi, Dual-Channel LPDDR3-1866 Memory Controller, eMMC 5.1, [email protected] H.265 Video Encoder, H.265 [email protected] Decode, ARM Mali 780 MHzUMTS/HSPA+, LTE Cat. 6, TD-SCDMA, 802.11ac WiFi, Dual-Channel LPDDR3-1866 Memory Controller, eMMC 5.1, [email protected] H.265 Video Encoder, H.265 [email protected] Decode, ARM Mali 780 MHz
iGPUARM Mali-T880 MP4 ( - 850 MHz)ARM Mali-T880 MP4 ( - 780 MHz)
Mediatek Mediatek Helio X25 MTK6797TMediatek Mediatek Helio X20 MT6797

3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
10490 Points (12%)
min: 9718     avg: 9785     median: 9784.5 (11%)     max: 9851 Points
3DMark - Sling Shot Extreme (ES 3.1) Unlimited Physics 2560x1440
1523 Points (19%)
min: 790     avg: 1141     median: 1141 (14%)     max: 1492 Points
3DMark - Sling Shot OpenGL ES 3.0 Unlimited Physics 2560x1440
1372 Points (27%)
min: 1017     avg: 1340     median: 1340 (26%)     max: 1663 Points
Geekbench 4.0 - 64 Bit Single-Core Score
min: 1545     avg: 1594     median: 1594 (25%)     max: 1643 Points
Geekbench 4.0 - 64 Bit Multi-Core Score
min: 3827     avg: 4212     median: 4211.5 (12%)     max: 4596 Points
Geekbench 4.4 - 64 Bit Single-Core Score
1791 Points (28%)
1599 Points (25%)
Geekbench 4.4 - 64 Bit Multi-Core Score
4554 Points (8%)
4468 Points (8%)
Mozilla Kraken 1.1 - Total Score *
6470 ms (11%)
min: 3217.8     avg: 4325     median: 4161.1 (7%)     max: 5760.4 ms
Octane V2 - Total Score
6089 Points (12%)
min: 3780     avg: 7446     median: 7999.5 (15%)     max: 10006 Points
AnTuTu v6 - Total Score
43413 Points (15%)
min: 69122     avg: 83859     median: 85774 (29%)     max: 96680 Points
PCMark for Android - Work performance score
5563 Points (28%)
min: 3479     avg: 3956     median: 3956 (20%)     max: 4433 Points
PCMark for Android - Work 2.0 performance score
4270 Points (35%)

Average Benchmarks Mediatek Helio X25 MTK6797T → 100%

Average Benchmarks Mediatek Helio X20 MT6797 → 105%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)