Unisoc SC79863a vs MediaTek Helio X25 (MT6797T)

Comparisons   31-05-2021
   Detailed compare data of Unisoc SC79863a vs MediaTek Helio X25 (MT6797T), testing of graphics processors (GPU). A thorough analysis of all the technical characteristics of the SoCs, to make it easier to understand, is made by the table. From the video comparison, you can get the results of joint testing in special testing software such as Quadrant, Neocore, PCMark, Geekbench, AnTuTu, GFXBench, Vellamo, 3DMark, PassMark, even the gaming performance of chips in GTA, PUBG, Asphalt 9, Call of Duty, Minecraft, Fortnite, Madout2 etc.
   After reading the results of joint tests and videos, you already be able to figure out which chipset is better to buy Unisoc SC79863a or Helio X25 (MT6797T).

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 X25 (MT6797T)

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

Unisoc SC79863a

37%

Helio X25 (MT6797T)

41%

Gaming performance
Which CPU is better for gaming

Unisoc SC79863a

Helio X25 (MT6797T)

Antutu v10, 9

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

	Unisoc SC79863a	Helio X25 (MT6797T)
Total score	80874	93545
CPU	22639	26196
GPU	30740	35553
MEM	12930	14960
UX	14567	16833

GeekBench 6, 5.2

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

	Unisoc SC79863a	Helio X25 (MT6797T)
Single-Core	209	242
Multi-Core	942	1089

Comparison of specifications

CPU and Memory

	Unisoc SC79863a	Helio X25 (MT6797T)
Frequency	1600 MHz	2500 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	2x2.5 GHz ARM Cortex-A72 4x2.0 GHz ARM Cortex-A53 4x1.55 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	14
Neural Processor (NPU)	No	No
L1 cache	256 KB	32 KB
L2 cache	512 KB	1 MB
L3 cache	8 MB	1 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 X25 (MT6797T) is 36% better than Unisoc SC79863a in terms of CPU frequency. Another difference is that Unisoc SC79863a has 2 more core than Helio X25 (MT6797T). 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	850 MHz
GFloPS	146.2	115.51
# 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	19.8
Garena Free Fire - The Cobra	27.1	34.9
Call of Duty: Mobile	16.4	21.1
Grand Theft Auto V (GTA 5 Mobile)	12.8	16.4
Minecraft: Pocket Edition	15.6	20.3
Real Racing 3	41.9	61.1
Sniper 3D	36.2	66.3
Need for Speed No Limits	33.7	55.8
Mortal Kombat X	44.7	55.8
CSR Racing 2	36.8	41.9

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.	300 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: 8
The number of parameters for which MediaTek Helio X25 (MT6797T) is better: 27
Please note that you do not need to blindly trust the automatic comparison on the table. It is better to just watch the full video of parallel testing and hear what people say who really appreciated the capabilities of both CPUs, and also read the test results on the links under the article.

• Unisoc SC79863a specs and review.

Helio X25 (MT6797T) SoC - all data

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

• Helio X25 (MT6797T) specs and review.