Unisoc SC79863a vs MediaTek Helio X20 (MT6797)

Comparisons   31-05-2021
   Comprehensive comparison data of Unisoc SC79863a vs MediaTek Helio X20 (MT6797), testing of graphics chips (GPU). A thorough analysis of all the technical characteristics, so that it can be easier to read, is summarized in the table. From the comparison video, you can get the results of parallel examination in software tests like PCMark, Vellamo, Quadrant, Neocore, GFXBench, 3DMark, Geekbench, PassMark, AnTuTu, and how good the SoCs are in games Call of Duty, Asphalt 9, Minecraft, GTA, Madout2, Fortnite, PUBG etc.
   After reading the results of parallel tests and videos, you already be able to know which processors is better to buy Unisoc SC79863a or Helio X20 (MT6797).

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

Unisoc SC79863a

Helio X20 (MT6797)

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

Unisoc SC79863a

37%

Helio X20 (MT6797)

42%

Gaming performance
Which CPU is better for gaming

Unisoc SC79863a

Helio X20 (MT6797)

Antutu v10, 9

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

	Unisoc SC79863a	Helio X20 (MT6797)
Total score	80874	83288
CPU	22639	23311
GPU	30740	31649
MEM	12930	13320
UX	14567	14981

GeekBench 6, 5.2

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

	Unisoc SC79863a	Helio X20 (MT6797)
Single-Core	209	215
Multi-Core	942	970

Comparison of specifications

CPU and Memory

	Unisoc SC79863a	Helio X20 (MT6797)
Frequency	1600 MHz	2100 MHz
Cores	8	10
Bit	64	64
Lithography	28 nm	20 nm
Transistors count
Core configuration	4x1.8 GHz ARM Cortex-A55 4x1.4 GHz ARM Cortex-A55	2x2.1 GHz ARM Cortex-A72 4x1.85 GHz ARM Cortex-A53 4x1.4 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	5 W
Memory type	LPDDR3	LPDDR3 (Dual Channel)
Max. Memory	4 Gb	4 Gb
Memory Frequency	933	800
Memory bandwidth	24	12.8
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 Unisoc SC79863a in terms of CPU frequency. Another difference is that Unisoc SC79863a has 2 more core than Helio X20 (MT6797). Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	IMG8322	Mali-T880 MP4
GPU Frequency	510 MHz	780 MHz
GFloPS	146.2	106
# of Cores	128	4
# of Shader Units
Display	2160 x 1080 pixels	2560 x 1600 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)	15.5	16.4
Garena Free Fire - The Cobra	27.1	29.1
Call of Duty: Mobile	16.4	17.7
Grand Theft Auto V (GTA 5 Mobile)	12.8	13.1
Minecraft: Pocket Edition	15.6	16.7
Real Racing 3	41.9	36.4
Sniper 3D	36.2	46.6
Need for Speed No Limits	33.7	52.4
Mortal Kombat X	44.7	37.8
CSR Racing 2	36.8	40.7

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

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 Unisoc SC79863a is better: 11
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 23
You need to understand that you should not sightlessly trust the software comparison on the table. You can watch video from beginning to end of parallel comparison and listen to what those who really appreciated the capabilities of both SoCs think, and also read the test results on the links under the article.

• Unisoc SC79863a specs and review.

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.