MediaTek Helio X20 (MT6797) vs Samsung Exynos 7 7904

Comparisons 11-03-2021

So, which chip or processor is better? Full comparison data of benchmarks MediaTek Helio X20 (MT6797) vs Samsung Exynos 7 7904, speed examination of GPUs Mali-G71 MP2 and Mali-T880 MP4.

This performance comparison involves two processors: Helio X20 (MT6797) is deca-core (ARM Cortex-A72) and Exynos 7 7904 is octa-core (ARM Cortex-A73). Both processors went through battery life test and power consumption test. A careful review of all the technical characteristics of the processors, so that it can be easier to read, is made by the table.

From the video comparison, you can get the results of parallel benchmarking in special testing software such as Octane V2, Mozilla Kraken, Neocore, 3DMark, PCMark, Vellamo, Geekbench, AnTuTu 8, WebXPRT 3, Quadrant, GFXBench, PassMark, even the gaming performance of CPUs in PUBG, Real Racing 3, Sniper 3D, Call of Duty: Mobile, Fortnite, Garena Free Fire - The Cobra, Mortal Kombat, Minecraft Bedrock etc.

After looking at the data these benchmarks and videos, you can already make an informed decision about which SoCs is better to buy Helio X20 (MT6797) or Exynos 7 7904 and which chip is better for gaming: CSR Racing 2, Madout2, Asphalt 9, Need for Speed No Limits.

Summary benchmark results

As a percentage of the maximum value based on a sample from the entire base of all processors
CPU Benchmark
Based on Antutu and Geekbench score

Helio X20 (MT6797)

Exynos 7 7904

Battery life test
Power Consumption efficiency (how quickly the processor reduces the battery charge)

Helio X20 (MT6797)

42%

Exynos 7 7904

61%

Gaming performance
Which CPU is better for gaming

Helio X20 (MT6797)

Exynos 7 7904

Antutu v10, 9

Antutu benchmark separately tests the performance of the CPU, GPU, and memory speed

	Helio X20 (MT6797)	Exynos 7 7904
Total score	83288	107393
CPU	23311	30065
GPU	31649	40805
MEM	13320	17181
UX	14981	19334

GeekBench 6, 5.2

This benchmark shows Multi-threaded and Single-threaded processor performance

	Helio X20 (MT6797)	Exynos 7 7904
Single-Core	215	219
Multi-Core	970	966

Comparison of specifications

CPU and Memory

	Helio X20 (MT6797)	Exynos 7 7904
Frequency	2100 MHz	1800 MHz
Cores	10	8
Bit	64	64
Lithography	20 nm	14 nm
Transistors count
Core configuration	2x2.1 GHz ARM Cortex-A72 4x1.85 GHz ARM Cortex-A53 4x1.4 GHz ARM Cortex-A53	2x1.8 GHz ARM Cortex-A73 6x1.6 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	5 W
Memory type	LPDDR3 (Dual Channel)	LPDDR4
Max. Memory	4 Gb	6 Gb
Memory Frequency	800	1866
Memory bandwidth	12.8
Neural Processor (NPU)	No	No
L1 cache
L2 cache
L3 cache
Instruction set architecture (ISA)	ARMv8-A	ARMv8.2-A

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here Helio X20 (MT6797) is 14% better than Exynos 7 7904 in terms of CPU frequency. Another difference is that Helio X20 (MT6797) has -2 more core than Exynos 7 7904. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-T880 MP4	Mali-G71 MP2
GPU Frequency	780 MHz	770 MHz
GFloPS	106	52.3
# of Cores	4	2
# of Shader Units
Display	2560 x 1600 pixels	2400 x 1080 pixels

The frequency of the GPU does not always directly indicate its performance. To fully evaluate all the capabilities of a graphics chip, you should take into account the number of Shader Units and Cores, as well as how many GFlops it has.

Gaming benchmark

Fortnite Mobile
PlayerUnknown's Battlegrounds (PUBG Mobile)	16.4	24.7
Garena Free Fire - The Cobra	29.1	40.1
Call of Duty: Mobile	17.7	27.8
Grand Theft Auto V (GTA 5 Mobile)	13.1	20.2
Minecraft: Pocket Edition	16.7	26.4
Real Racing 3	36.4	60.2
Sniper 3D	46.6	88.2
Need for Speed No Limits	52.4	64.2
Mortal Kombat X	37.8	64.2
CSR Racing 2	40.7	56.1

The numbers in this table indicate the maximum FPS that was received on the device with the corresponding processor. Depending on the configuration of the gadget and graphics quality settings (Ultra, Medium, Normal), the results may differ quite significantly. We recommend that you better study the results of the Antutu v10, 9 and GeekBench 6, 5.2 becnmarks.

Cameras

Camera resolution	32 MP	32 MP
Dual Camera resolution		16 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	120
Video Encoding resolution	4K, 2K, FullHD	4K (Ultra HD), 2K, FullHD
Codec support	H.264, H.265	H.264, H.265/HEVC, VP9

Networks and Navigation

Modem		LTE Cat.12/13 2/3CA
Download speed	150 MBit/s.	600 MBit/s.
Upload speed	50 MBit/s.	150 MBit/s.
Navigation	GPS, Galileo, Glonass, Beidou	GPS, Glonass, BeiDou, Galileo
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 10
The number of parameters for which Samsung Exynos 7 7904 is better: 25
You need to know that you should not sightlessly trust the software comparison of the table. You can watch benchmark video from beginning to end of joint comparison and hear what those who really appreciated the capabilities of both SoCs think, as well as read the test results at the links below.

Helio X20 (MT6797) SoC - all data

• Devices lists
• Benchmarks
• PUBG mobile
• Fortnite Mobile
• GeekBench 6, 5 mobile
• Antutu v10
• 3DMark

• Helio X20 (MT6797) specs and review.

Exynos 7 7904 SoC - all data

• Devices lists
• Benchmarks
• PUBG mobile
• Fortnite Mobile
• GeekBench 6, 5 mobile
• 3DMark
• Antutu v10

• Exynos 7 7904 specs and review.