Samsung Exynos 7 Octa 7420 vs Qualcomm Snapdragon 660 MSM8976 Plus

Comparisons   11-03-2021
   Well, which processor or chip is better? Detailed data of speed tests and benchmarks Samsung Exynos 7 Octa 7420 vs Qualcomm Snapdragon 660 MSM8976 Plus, comparison of GPUs Adreno 512 and Mali-T760 MP8.
   This performance comparison involves two processors: Exynos 7 Octa 7420 is octa-core (ARM Cortex-A57) and Snapdragon 660 MSM8976 Plus is quad-core (Kryo 280). Both processors went throughpower consumption test and battery life test. A step-by-step analysis of all the specifications of the CPUs, so that it can be easier to understand, is presented in the form of the table.
   From the video comparison, you can get the results of joint benchmarking in synthetic type tests such as WebXPRT 3, Octane V2, Geekbench, PCMark, AnTuTu, Neocore, 3DMark, Quadrant, Vellamo, PassMark, GFXBench, Mozilla Kraken, even the gaming performance of CPUs in Fortnite, Mortal Kombat, Real Racing 3, Minecraft Bedrock, Call of Duty: Mobile, Garena Free Fire - The Cobra, PUBG, Sniper 3D etc.
   After looking at the data of all benchmarks and videos, you can already make an briefed decision about which CPU is better to buy Exynos 7 Octa 7420 or Snapdragon 660 MSM8976 Plus and which chip is better for gaming: CSR Racing 2, Need for Speed No Limits, Asphalt 9, Madout2.

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

Exynos 7 Octa 7420

Snapdragon 660 MSM8976 Plus

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

Exynos 7 Octa 7420

52%

Snapdragon 660 MSM8976 Plus

56%

Gaming performance
Which CPU is better for gaming

Exynos 7 Octa 7420

Snapdragon 660 MSM8976 Plus

Antutu v10, 9

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

	Exynos 7 Octa 7420	Snapdragon 660 MSM8976 Plus
Total score	79294	113847
CPU	22205	31874
GPU	30121	43265
MEM	12689	18217
UX	14262	20499

GeekBench 6, 5.2

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

	Exynos 7 Octa 7420	Snapdragon 660 MSM8976 Plus
Single-Core	205	232
Multi-Core	923	1024

Comparison of specifications

CPU and Memory

	Exynos 7 Octa 7420	Snapdragon 660 MSM8976 Plus
Frequency	2100 MHz	2200 MHz
Cores	8	4
Bit	64	64
Lithography	14 nm	14 nm
Transistors count
Core configuration	4x2.1 GHz ARM Cortex-A57 4x1.5 GHz ARM Cortex-A53	4x2.2 GHz Kryo 280
Power consumption (TDP)	7 W	9 W
Memory type	LPDDR4	LPDDR4x (Dual Channel)
Max. Memory	4 Gb	8 Gb
Memory Frequency	1866	1866
Memory bandwidth	24.8	29.8
Neural Processor (NPU)	No	No
L1 cache
L2 cache	512 KB	2 MB
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. Here Snapdragon 660 MSM8976 Plus is 4% better than Exynos 7 Octa 7420 in terms of CPU frequency. Another difference is that Exynos 7 Octa 7420 has -4 more core than Snapdragon 660 MSM8976 Plus. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-T760 MP8	Adreno 512
GPU Frequency	772 MHz	850 MHz
GFloPS	210	255
# of Cores	8
# of Shader Units		128
Display	3840 x 2400 pixels	3840 x 2160 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		22.7
PlayerUnknown's Battlegrounds (PUBG Mobile)	14.6	43.2
Garena Free Fire - The Cobra	27.3	46.5
Call of Duty: Mobile	15.1	24.5
Grand Theft Auto V (GTA 5 Mobile)	11.9	39.3
Minecraft: Pocket Edition	14.3	57.8
Real Racing 3	47.8	58.1
Sniper 3D	35.5	74.4
Need for Speed No Limits	32.8	65.1
Mortal Kombat X	35.5	74.4
CSR Racing 2	30	51.2

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	20 MP	24 MP
Dual Camera resolution		16 MP
Image Signal Processor (ISP)		Qualcomm Spectra 160
Video Encoding FPS	30	30
Video Encoding resolution	4K (Ultra HD), 2K, FullHD	4K (Ultra HD), 2K, FullHD
Codec support	H.264, H.265/HEVC, VP9	H.264/AVC, H.265/HEVC

Networks and Navigation

Modem		Qualcomm Snapdragon X12 LTE modem
Download speed	42 MBit/s.	600 MBit/s.
Upload speed	11 MBit/s.	150 MBit/s.
Navigation
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Samsung Exynos 7 Octa 7420 is better: 6
The number of parameters for which Qualcomm Snapdragon 660 MSM8976 Plus is better: 29
Please note that you do not need to blindly trust the software comparison on the table. It is better to just watch the full benchmark video of parallel comparison and listen to what people think who really appreciated the capabilities of both processors Exynos 7 Octa 7420 and Snapdragon 660 MSM8976 Plus, as well as read the test results at the links below.

Exynos 7 Octa 7420 SoC - all data

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

• Exynos 7 Octa 7420 specs and review.

Snapdragon 660 MSM8976 Plus SoC - all data

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

• Snapdragon 660 MSM8976 Plus specs and review.