Intel Atom x5-Z8550 vs Samsung Exynos 7 Octa 7420

Comparisons 11-03-2021

Well, which chip or processor is better? Full compare data of benchmarks Intel Atom x5-Z8550 vs Samsung Exynos 7 Octa 7420, speed testing of GPUs Intel HD Graphics 400 (Braswell) and Mali-T760 MP8.

This performance comparison includes two processors: Atom x5-Z8550 is quad-core (SoFIA) and Exynos 7 Octa 7420 is octa-core (ARM Cortex-A57). Both processors went through battery life test and power consumption test. A step-by-step analysis of all the technical characteristics, to make it easier to read, is made by the table.

From the video comparison, you can get the results of parallel benchmarking in special test applications like Vellamo, PassMark, Mozilla Kraken, Quadrant, Octane V2, WebXPRT 3, Geekbench, 3DMark, PCMark, GFXBench, AnTuTu 8, Neocore, even the gaming performance of CPUs in Mortal Kombat, Call of Duty: Mobile, PUBG, Garena Free Fire - The Cobra, Sniper 3D, Real Racing 3, Minecraft Bedrock, Fortnite etc.

After looking at the data of parallel benchmarks and videos, you can already make an briefed decision about which chip is better to buy Atom x5-Z8550 or Exynos 7 Octa 7420 and which chip is better for gaming: Need for Speed No Limits, Asphalt 9, Madout2, CSR Racing 2.

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

Atom x5-Z8550

Exynos 7 Octa 7420

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

Atom x5-Z8550

56%

Exynos 7 Octa 7420

52%

Gaming performance
Which CPU is better for gaming

Atom x5-Z8550

Exynos 7 Octa 7420

Antutu v10, 9

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

	Atom x5-Z8550	Exynos 7 Octa 7420
Total score	73756	79294
CPU	20655	22205
GPU	28035	30121
MEM	11795	12689
UX	13276	14262

GeekBench 6, 5.2

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

	Atom x5-Z8550	Exynos 7 Octa 7420
Single-Core	190	205
Multi-Core	859	923

Comparison of specifications

CPU and Memory

	Atom x5-Z8550	Exynos 7 Octa 7420
Frequency	1440 MHz	2100 MHz
Cores	4	8
Bit	64	64
Lithography	14 nm	14 nm
Transistors count
Core configuration	4x1.44-2.4 GHz SoFIA	4x2.1 GHz ARM Cortex-A57 4x1.5 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	7 W
Memory type	LPDDR3	LPDDR4
Max. Memory	8 Gb	4 Gb
Memory Frequency	1600	1866
Memory bandwidth	24	24.8
Neural Processor (NPU)	No	No
L1 cache	256 KB
L2 cache	512 KB	512 KB
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-Z8550 in terms of CPU frequency. Another difference is that Atom x5-Z8550 has 4 more core than Exynos 7 Octa 7420. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Intel HD Graphics 400 (Braswell)	Mali-T760 MP8
GPU Frequency	600 MHz	772 MHz
GFloPS	134	210
# of Cores	16	8
# of Shader Units
Display	2560 x 1600 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)	16.3	14.6
Garena Free Fire - The Cobra	27.7	27.3
Call of Duty: Mobile	18.8	15.1
Grand Theft Auto V (GTA 5 Mobile)	13.6	11.9
Minecraft: Pocket Edition	17.8	14.3
Real Racing 3	55.4	47.8
Sniper 3D	44.3	35.5
Need for Speed No Limits	49.9	32.8
Mortal Kombat X	44.3	35.5
CSR Racing 2	36	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	16 MP	20 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
Video Encoding resolution	FullHD	4K (Ultra HD), 2K, FullHD
Codec support	H.264/AVC, H.265/HEVC	H.264, H.265/HEVC, VP9

Networks and Navigation

Modem
Download speed	21 MBit/s.	42 MBit/s.
Upload speed	6 MBit/s.	11 MBit/s.
Navigation
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Intel Atom x5-Z8550 is better: 16
The number of parameters for which Samsung Exynos 7 Octa 7420 is better: 19
You need to know that you should not sightlessly trust the software comparison of the table. You can watch benchmark video from beginning to end of parallel testing and hear what people say who really appreciated the capabilities of both CPUs Atom x5-Z8550 and Exynos 7 Octa 7420, as well as read the test results at the links below.

Atom x5-Z8550 SoC - all data

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

• Atom x5-Z8550 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.