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Mediatek Helio X25 MTK6797T

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.

SeriesMediatek Mediatek Helio 20
CodenameCortex-A72 / A53

Series: Mediatek Helio 20 Cortex-A72 / A53

Mediatek Helio X25 MTK6797T « 2.5 GHz10 / 10 cores Cortex-A72 / A53
Mediatek Helio X20 MT6797 compare2.3 GHz10 / 10 cores Cortex-A72 / A53
Clock Rate2500 MHz
Number of Cores / Threads10 / 10
Manufacturing Technology20 nm
FeaturesUMTS/HSPA+, LTE Cat. 6, TD-SCDMA, 802.11ac WiFi, Dual-Channel LPDDR3-1866 Memory Controller, eMMC 5.1, 4K@30 H.265 Video Encoder, H.265 4K@30 Decode, ARM Mali 780 MHz
GPUARM Mali-T880 MP4 ( - 850 MHz)
64 Bit64 Bit support
Announcement Date03/01/2016
Product Link (external)


- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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Other CPUs of the series Mediatek Helio 20

» MediaTek Helio X27 MT6797X
   10x 2.6 GHz
» Mediatek Helio X25 MTK6797T
   10x 2.5 GHz
» Mediatek Helio X20 MT6797
   10x 2.3 GHz
» Mediatek Helio P25
   8x 2.6 GHz
» Mediatek Helio A25
   8x 1.8 GHz
» Mediatek Helio P23 MT6763T
   8x 2.3 GHz - 2.5 GHz
» Mediatek Helio P23 MT6763V
   8x 2 GHz
» Mediatek Helio P22 MT6762
   8x 2 GHz
» Mediatek Helio A22 MT6762M
   4x 2 GHz
» Mediatek Helio A22 MT6761
   4x 2 GHz
» Mediatek Helio A20 MT6761D
   4x 1.8 GHz

Surrounding CPUs

+ Mediatek Helio P60T
   8x 2 GHz
+ Mediatek Helio P60
   8x 2 GHz
+ Mediatek MT8788
   8x 2 GHz
+ Mediatek MT8183
   8x 2 GHz
+ Samsung Exynos 7420 Octa
   8x 2.1 GHz
» Mediatek Helio X25 MTK6797T
   10x 2.5 GHz
- Nvidia Tegra X1
   8x 2 GHz
- Apple A9
   2x 1.8 GHz
- Intel Atom x7-Z8700
   4x 1.6 GHz - 2.4 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > Mediatek Helio X25 MTK6797T SoC - Benchmarks and Specs
Klaus Hinum (Update: 2019-01-31)