Samsung Exynos 7 Octa 7420 vs Intel Atom x5-Z8350

Comparisons   11-03-2021
   Well, which chip or processor is better? Full data of benchmarks and speed tests Samsung Exynos 7 Octa 7420 vs Intel Atom x5-Z8350, comparison of GPUs Intel HD Graphics (Cherry Trail) and Mali-T760 MP8.
   This performance comparison involves two processors: Exynos 7 Octa 7420 is octa-core (ARM Cortex-A57) and Atom x5-Z8350 is quad-core (SoFIA). Both processors went throughpower consumption test and battery life test. A thorough review of all the specifications of the SoCs, so that it can be easier to read, is made by the table.
   From the video comparison, you can get the results of joint benchmarking in special test applications such as Mozilla Kraken, 3DMark, Quadrant, Octane V2, GeekBench 6, 5, Neocore, WebXPRT 3, GFXBench, AnTuTu 8, Vellamo, PassMark, PCMark, even the gaming performance of CPUs in Mortal Kombat, Garena Free Fire - The Cobra, Fortnite, PUBG, Sniper 3D, Call of Duty: Mobile, Minecraft Bedrock, Real Racing 3 etc.
   After reading the results these benchmarks and videos, you already be able to figure out which SoCs is better to buy Exynos 7 Octa 7420 or Atom x5-Z8350 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

Exynos 7 Octa 7420

Atom x5-Z8350

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

Exynos 7 Octa 7420

52%

Atom x5-Z8350

56%

Gaming performance
Which CPU is better for gaming

Exynos 7 Octa 7420

Atom x5-Z8350

Antutu v10, 9

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

	Exynos 7 Octa 7420	Atom x5-Z8350
Total score	79294	59881
CPU	22205	16771
GPU	30121	22756
MEM	12689	9586
UX	14262	10778

GeekBench 6, 5.2

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

	Exynos 7 Octa 7420	Atom x5-Z8350
Single-Core	205	155
Multi-Core	923	697

Comparison of specifications

CPU and Memory

	Exynos 7 Octa 7420	Atom x5-Z8350
Frequency	2100 MHz	1440 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	4x1.4-1.9 GHz SoFIA
Power consumption (TDP)	7 W	5 W
Memory type	LPDDR4	LPDDR3
Max. Memory	4 Gb	2 Gb
Memory Frequency	1866	1600
Memory bandwidth	24.8	14
Neural Processor (NPU)	No	No
L1 cache		256 KB
L2 cache	512 KB	1 MB
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 Exynos 7 Octa 7420 is 31% better than Atom x5-Z8350 in terms of CPU frequency. Another difference is that Exynos 7 Octa 7420 has -4 more core than Atom x5-Z8350. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-T760 MP8	Intel HD Graphics (Cherry Trail)
GPU Frequency	772 MHz	500 MHz
GFloPS	210	96
# of Cores	8	16
# of Shader Units
Display	3840 x 2400 pixels	1920 x 1080 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)	14.6	12.6
Garena Free Fire - The Cobra	27.3	21.2
Call of Duty: Mobile	15.1	13.3
Grand Theft Auto V (GTA 5 Mobile)	11.9	9.6
Minecraft: Pocket Edition	14.3	13.2
Real Racing 3	47.8	37.1
Sniper 3D	35.5	33.9
Need for Speed No Limits	32.8	29.7
Mortal Kombat X	35.5	33.9
CSR Racing 2	30	29.7

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	20 MP	13 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
Video Encoding resolution	4K (Ultra HD), 2K, FullHD	FullHD
Codec support	H.264, H.265/HEVC, VP9	H.264/AVC, H.265/HEVC

Networks and Navigation

Modem
Download speed	42 MBit/s.	21 MBit/s.
Upload speed	11 MBit/s.	6 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: 32
The number of parameters for which Intel Atom x5-Z8350 is better: 4
Please note that you do not need to sightlessly trust the automatic comparison of the table. It is better to just watch the full benchmark video of parallel testing and listen to what people think who really appreciated the capabilities of both SoCs Exynos 7 Octa 7420 and Atom x5-Z8350, and also read the test results on the links under the article.

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.

Atom x5-Z8350 SoC - all data

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

• Atom x5-Z8350 specs and review.