Qualcomm Snapdragon 615 MSM8939 vs Unisoc SC9850K

Comparisons   11-03-2021
   Well, which chip or processor is better? Comprehensive data of benchmarks and speed tests Qualcomm Snapdragon 615 MSM8939 vs Unisoc SC9850K, comparison of GPUs Mali-T820 and Adreno 405.
   This performance comparison includes two processors: Snapdragon 615 MSM8939 is octa-core (ARM Cortex-A53) and SC9850K is quad-core (ARM Cortex-A7). Both processors went through battery life test and power consumption test. A careful review of all the specifications, to make it easier to read, is made by the table.
   From the video comparison, you can get the results of joint benchmarking in special test applications like Vellamo, Geekbench, AnTuTu 8, PCMark, Mozilla Kraken, Octane V2, Neocore, WebXPRT 3, 3DMark, GFXBench, PassMark, Quadrant, and how good the chipsets are in games Garena Free Fire - The Cobra, Sniper 3D, Call of Duty: Mobile, Mortal Kombat, Minecraft Bedrock, Real Racing 3, Fortnite, PUBG etc.
   After looking at the data of joint benchmarks and videos, you can already make an informed decision about which CPU is better to buy Snapdragon 615 MSM8939 or SC9850K and which chip is better for gaming: CSR Racing 2, Need for Speed No Limits, Madout2, Asphalt 9.

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

Snapdragon 615 MSM8939

SC9850K

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

Snapdragon 615 MSM8939

23%

SC9850K

30%

Gaming performance
Which CPU is better for gaming

Snapdragon 615 MSM8939

SC9850K

Antutu v10, 9

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

	Snapdragon 615 MSM8939	SC9850K
Total score	37558	41717
CPU	10509	11684
GPU	14272	15861
MEM	6000	6672
UX	6754	7507

GeekBench 6, 5.2

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

	Snapdragon 615 MSM8939	SC9850K
Single-Core	99	110
Multi-Core	459	509

Comparison of specifications

CPU and Memory

	Snapdragon 615 MSM8939	SC9850K
Frequency	1700 MHz	1300 MHz
Cores	8	4
Bit	64	32
Lithography	28 nm	28 nm
Transistors count
Core configuration	8x1.7 GHz ARM Cortex-A53	4x1.3 GHz ARM Cortex-A7
Power consumption (TDP)	4 W	3 W
Memory type	LPDDR3	LPDDR3
Max. Memory	4 Gb	4 Gb
Memory Frequency	800	266
Memory bandwidth	6	14
Neural Processor (NPU)	No	No
L1 cache	128 KB	128 KB
L2 cache	2 MB	2 MB
L3 cache	1 MB	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 Snapdragon 615 MSM8939 is 23% better than SC9850K in terms of CPU frequency. Another difference is that Snapdragon 615 MSM8939 has -4 more core than SC9850K. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Adreno 405	Mali-T820
GPU Frequency	550 MHz	600 MHz
GFloPS	59.4	10.2
# of Cores		1
# of Shader Units	48
Display	2560 x 1600 pixels	1440 x 720 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	10.9	12.7
PlayerUnknown's Battlegrounds (PUBG Mobile)	29.2	33.6
Garena Free Fire - The Cobra	18.3	22.6
Call of Duty: Mobile	15.7	19.5
Grand Theft Auto V (GTA 5 Mobile)	24.2	27.7
Minecraft: Pocket Edition	37.4	42.7
Real Racing 3	27.5	39.6
Sniper 3D	34.8	29.4
Need for Speed No Limits	22	40.7
Mortal Kombat X	23.8	36.2
CSR Racing 2	22	27.1

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	21 MP	13 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
Video Encoding resolution	FullHD	FullHD
Codec support	H.264/AVC, H.265/HEVC	H.264

Networks and Navigation

Modem	Qualcomm Snapdragon X4 LTE modem
Download speed	150 MBit/s.	300 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 Qualcomm Snapdragon 615 MSM8939 is better: 11
The number of parameters for which Unisoc SC9850K is better: 24
You need to understand that you should not blindly trust the automatic comparison on the table. It is better to just watch the full benchmark video of parallel comparison and hear what people say who really appreciated the capabilities of both processors Snapdragon 615 MSM8939 and SC9850K, and also read the test results on the links under the article.

Snapdragon 615 MSM8939 SoC - all data

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

• Snapdragon 615 MSM8939 specs and review.

SC9850K SoC - all data

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

• SC9850K specs and review.