MediaTek Helio X20 (MT6797) vs Samsung Exynos 7 Octa 7885

Comparisons   11-03-2021
   Well, which chip or processor is better? Full data of speed tests and benchmarks MediaTek Helio X20 (MT6797) vs Samsung Exynos 7 Octa 7885, compare of GPUs Mali-G71 MP18 and Mali-T880 MP4.
   This performance comparison involves two processors: Helio X20 (MT6797) is deca-core (ARM Cortex-A72) and Exynos 7 Octa 7885 is octa-core (ARM Cortex-A72). Both processors went through battery life test and power consumption test. A step-by-step analysis of all the specifications of the SoCs, to make it easier to understand, is made by the table.
   From the comparison video, you can get the results of parallel benchmarking in special testing software such as GFXBench, PCMark, WebXPRT 3, PassMark, GeekBench 6, 5, Vellamo, Octane V2, Neocore, AnTuTu 8, Mozilla Kraken, 3DMark, Quadrant, and how good the CPUs are in games Fortnite, Minecraft Bedrock, Sniper 3D, PUBG, Garena Free Fire - The Cobra, Mortal Kombat, Real Racing 3, Call of Duty: Mobile etc.
   After looking at the data of parallel benchmarks and videos, you already be able to figure out which SoCs is better to buy Helio X20 (MT6797) or Exynos 7 Octa 7885 and which chip is better for gaming: Asphalt 9, Madout2, Need for Speed No Limits, CSR Racing 2.

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 Octa 7885

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

Helio X20 (MT6797)

42%

Exynos 7 Octa 7885

56%

Gaming performance
Which CPU is better for gaming

Helio X20 (MT6797)

Exynos 7 Octa 7885

Antutu v10, 9

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

	Helio X20 (MT6797)	Exynos 7 Octa 7885
Total score	83288	136471
CPU	23311	38211
GPU	31649	51853
MEM	13320	21835
UX	14981	24556

GeekBench 6, 5.2

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

	Helio X20 (MT6797)	Exynos 7 Octa 7885
Single-Core	215	279
Multi-Core	970	1228

Comparison of specifications

CPU and Memory

	Helio X20 (MT6797)	Exynos 7 Octa 7885
Frequency	2100 MHz	2100 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	4x2.1 GHz ARM Cortex-A72 4x1.5 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	8 W
Memory type	LPDDR3 (Dual Channel)	LPDDR4
Max. Memory	4 Gb	4 Gb
Memory Frequency	800	1866
Memory bandwidth	12.8
Neural Processor (NPU)	No	No
L1 cache		64 KB
L2 cache
L3 cache
Instruction set architecture (ISA)	ARMv8-A	ARMv8-A

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Another difference is that Helio X20 (MT6797) has -2 more core than Exynos 7 Octa 7885. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-T880 MP4	Mali-G71 MP18
GPU Frequency	780 MHz	546 MHz
GFloPS	106	334
# of Cores	4	18
# of Shader Units
Display	2560 x 1600 pixels	2560 x 1440 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	26.2
Garena Free Fire - The Cobra	29.1	37.3
Call of Duty: Mobile	17.7	34.9
Grand Theft Auto V (GTA 5 Mobile)	13.1	25.7
Minecraft: Pocket Edition	16.7	37.7
Real Racing 3	36.4	65.3
Sniper 3D	46.6	48.5
Need for Speed No Limits	52.4	67.1
Mortal Kombat X	37.8	42.9
CSR Racing 2	40.7	44.8

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	28 MP
Dual Camera resolution		28 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
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.13 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
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 7
The number of parameters for which Samsung Exynos 7 Octa 7885 is better: 26
You need to understand that you should not sightlessly trust the automatic comparison on the table. It is better to just watch the full benchmark video of joint comparison and hear what those who really appreciated the capabilities of both processors think, and also read the test results on the links under the article.

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 Octa 7885 SoC - all data

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

• Exynos 7 Octa 7885 specs and review.