Samsung Exynos 7 Octa 7884B vs Samsung Exynos 7 Octa 7420

Comparisons   11-03-2021
   So, which chip or processor is better? Full data of speed tests and benchmarks Samsung Exynos 7 Octa 7884B vs Samsung Exynos 7 Octa 7420, comparison of GPUs Mali-G71 MP2 and Mali-T760 MP8.
   This performance comparison includes two processors: Exynos 7 Octa 7884B is octa-core (ARM Cortex-A73) and Exynos 7 Octa 7420 is octa-core (ARM Cortex-A57). Both processors went through battery life test and power consumption test. A thorough review of all the specifications of the CPUs, so that it can be easier to read, is presented in the form of the table.
   From the comparison video, you can get the results of joint benchmarking in synthetic type tests such as Mozilla Kraken, WebXPRT 3, 3DMark, Vellamo, PassMark, PCMark, Octane V2, GeekBench 6, 5, GFXBench, AnTuTu, Quadrant, Neocore, even the gaming performance of processors in Real Racing 3, Call of Duty: Mobile, Sniper 3D, PUBG, Fortnite, Mortal Kombat, Garena Free Fire - The Cobra, Minecraft Bedrock etc.
   After looking at the data of parallel benchmarks and videos, you already be able to know which SoCs is better to buy Exynos 7 Octa 7884B or Exynos 7 Octa 7420 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 7884B

Exynos 7 Octa 7420

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

Exynos 7 Octa 7884B

61%

Exynos 7 Octa 7420

52%

Gaming performance
Which CPU is better for gaming

Exynos 7 Octa 7884B

Exynos 7 Octa 7420

Antutu v10, 9

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

	Exynos 7 Octa 7884B	Exynos 7 Octa 7420
Total score	69828	79294
CPU	19550	22205
GPU	26528	30121
MEM	11165	12689
UX	12569	14262

GeekBench 6, 5.2

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

	Exynos 7 Octa 7884B	Exynos 7 Octa 7420
Single-Core	180	205
Multi-Core	813	923

Comparison of specifications

CPU and Memory

	Exynos 7 Octa 7884B	Exynos 7 Octa 7420
Frequency	1600 MHz	2100 MHz
Cores	8	8
Bit	64	64
Lithography	14 nm	14 nm
Transistors count
Core configuration	2x1.6 GHz ARM Cortex-A73 6x1.35 GHz ARM Cortex-A53	4x2.1 GHz ARM Cortex-A57 4x1.5 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	7 W
Memory type	LPDDR4	LPDDR4
Max. Memory	4 Gb	4 Gb
Memory Frequency	1866	1866
Memory bandwidth		24.8
Neural Processor (NPU)	No	No
L1 cache
L2 cache		512 KB
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 Exynos 7 Octa 7420 is 23% better than Exynos 7 Octa 7884B in terms of CPU frequency. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-G71 MP2	Mali-T760 MP8
GPU Frequency	770 MHz	772 MHz
GFloPS	52.3	210
# of Cores	2	8
# of Shader Units
Display	2560 x 1440 pixels	3840 x 2400 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)	15.3	14.6
Garena Free Fire - The Cobra	25.3	27.3
Call of Duty: Mobile	17.3	15.1
Grand Theft Auto V (GTA 5 Mobile)	12.2	11.9
Minecraft: Pocket Edition	16.8	14.3
Real Racing 3	31.6	47.8
Sniper 3D	48.1	35.5
Need for Speed No Limits	35.4	32.8
Mortal Kombat X	29.1	35.5
CSR Racing 2	32.9	30

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	28 MP	20 MP
Dual Camera resolution	28 MP
Image Signal Processor (ISP)
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, H.265/HEVC, VP9

Networks and Navigation

Modem	LTE Cat.13 3CA
Download speed	600 MBit/s.	42 MBit/s.
Upload speed	150 MBit/s.	11 MBit/s.
Navigation	GPS, Glonass, Beidou
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Samsung Exynos 7 Octa 7884B is better: 13
The number of parameters for which Samsung Exynos 7 Octa 7420 is better: 18
You need to understand that you should not blindly trust the software comparison on the table. It is better to just watch the full benchmark video of joint testing and listen to what people say who really appreciated the capabilities of both processors Exynos 7 Octa 7884B and Exynos 7 Octa 7420, and also read the test results on the links under the article.

Exynos 7 Octa 7884B SoC - all data

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

• Exynos 7 Octa 7884B specs and review.

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.