MediaTek Helio X20 (MT6797) vs Unisoc SC9863A

Comparisons   11-03-2021
   So, which processor or chip is better? Full compare data of benchmarks MediaTek Helio X20 (MT6797) vs Unisoc SC9863A, speed examination of GPUs Mali-T880 MP4 and IMG8322.
   This performance comparison involves two processors: Helio X20 (MT6797) is deca-core (ARM Cortex-A72) and SC9863A is octa-core (ARM Cortex-A55). Both processors went through battery life test and power consumption test. A step-by-step analysis of all the specifications of the processors, to make it easier to understand, is summarized in the table.
   From the comparison video, you can get the results of parallel benchmarking in synthetic type tests like PassMark, Quadrant, GeekBench 6, 5, Neocore, AnTuTu, PCMark, Mozilla Kraken, WebXPRT 3, 3DMark, Vellamo, GFXBench, Octane V2, even the gaming performance of processors in Mortal Kombat, Sniper 3D, PUBG, Garena Free Fire - The Cobra, Fortnite, Real Racing 3, Minecraft Bedrock, Call of Duty: Mobile etc.
   After looking at the data of joint benchmarks and videos, you can already make an informed decision about which SoCs is better to buy Helio X20 (MT6797) or SC9863A and which chip is better for gaming: Madout2, CSR Racing 2, 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)

SC9863A

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

Helio X20 (MT6797)

42%

SC9863A

31%

Gaming performance
Which CPU is better for gaming

Helio X20 (MT6797)

SC9863A

Antutu v10, 9

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

	Helio X20 (MT6797)	SC9863A
Total score	83288	73522
CPU	23311	20588
GPU	31649	27947
MEM	13320	11762
UX	14981	13228

GeekBench 6, 5.2

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

	Helio X20 (MT6797)	SC9863A
Single-Core	215	190
Multi-Core	970	856

Comparison of specifications

CPU and Memory

	Helio X20 (MT6797)	SC9863A
Frequency	2100 MHz	1600 MHz
Cores	10	8
Bit	64	64
Lithography	20 nm	28 nm
Transistors count
Core configuration	2x2.1 GHz ARM Cortex-A72 4x1.85 GHz ARM Cortex-A53 4x1.4 GHz ARM Cortex-A53	4x1.6 GHz ARM Cortex-A55 4x1.2 GHz ARM Cortex-A55
Power consumption (TDP)	5 W	5 W
Memory type	LPDDR3 (Dual Channel)	LPDDR3
Max. Memory	4 Gb	4 Gb
Memory Frequency	800	933
Memory bandwidth	12.8	24
Neural Processor (NPU)	No	No
L1 cache		256 KB
L2 cache		512 KB
L3 cache		8 MB
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. Here Helio X20 (MT6797) is 23% better than SC9863A in terms of CPU frequency. Another difference is that Helio X20 (MT6797) has -2 more core than SC9863A. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-T880 MP4	IMG8322
GPU Frequency	780 MHz	510 MHz
GFloPS	106	146.2
# of Cores	4	128
# of Shader Units
Display	2560 x 1600 pixels	2160 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	15.9
Garena Free Fire - The Cobra	29.1	26.9
Call of Duty: Mobile	17.7	17.3
Grand Theft Auto V (GTA 5 Mobile)	13.1	12.4
Minecraft: Pocket Edition	16.7	16.2
Real Racing 3	36.4	40.4
Sniper 3D	46.6	43
Need for Speed No Limits	52.4	37.7
Mortal Kombat X	37.8	43
CSR Racing 2	40.7	32.3

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

Networks and Navigation

Modem		LTE-4
Download speed	150 MBit/s.	150 MBit/s.
Upload speed	50 MBit/s.	50 MBit/s.
Navigation	GPS, Galileo, Glonass, Beidou	GPS, Galileo, Glonass, Beidou
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 24
The number of parameters for which Unisoc SC9863A is better: 10
You need to know 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 people think who really appreciated the capabilities of both SoCs Helio X20 (MT6797) and SC9863A, 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.

SC9863A SoC - all data

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

• SC9863A specs and review.