Intel Atom x7-Z8700 vs Samsung Exynos 7 Octa 7420

Comparisons   11-03-2021
   So, which processor or chip is better? Full data of speed tests and benchmarks Intel Atom x7-Z8700 vs Samsung Exynos 7 Octa 7420, compare of GPUs Mali-T760 MP8 and Intel HD Graphics (Cherry Trail).
   This performance comparison includes two processors: Atom x7-Z8700 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 of the CPUs, to make it easier to understand, is presented in the form of the table.
   From the video comparison, you can get the results of joint benchmarking in software tests such as Mozilla Kraken, Geekbench, PCMark, AnTuTu, 3DMark, Vellamo, Quadrant, Neocore, Octane V2, PassMark, WebXPRT 3, GFXBench, even the gaming performance of processors in Garena Free Fire - The Cobra, Real Racing 3, PUBG, Minecraft Bedrock, Fortnite, Mortal Kombat, Sniper 3D, Call of Duty: Mobile etc.
   After looking at the data these benchmarks and videos, you can already make an briefed decision about which CPU is better to buy Atom x7-Z8700 or Exynos 7 Octa 7420 and which chip is better for gaming: Need for Speed No Limits, Madout2, CSR Racing 2, 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

Atom x7-Z8700

Exynos 7 Octa 7420

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

Atom x7-Z8700

53%

Exynos 7 Octa 7420

52%

Gaming performance
Which CPU is better for gaming

Atom x7-Z8700

Exynos 7 Octa 7420

Antutu v10, 9

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

	Atom x7-Z8700	Exynos 7 Octa 7420
Total score	69107	79294
CPU	19342	22205
GPU	26260	30121
MEM	11060	12689
UX	12432	14262

GeekBench 6, 5.2

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

	Atom x7-Z8700	Exynos 7 Octa 7420
Single-Core	178	205
Multi-Core	804	923

Comparison of specifications

CPU and Memory

	Atom x7-Z8700	Exynos 7 Octa 7420
Frequency	1600 MHz	2100 MHz
Cores	4	8
Bit	64	64
Lithography	14 nm	14 nm
Transistors count
Core configuration	4x1.6-2.4 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 23% better than Atom x7-Z8700 in terms of CPU frequency. Another difference is that Atom x7-Z8700 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 (Cherry Trail)	Mali-T760 MP8
GPU Frequency	700 MHz	772 MHz
GFloPS	179	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)	15.4	14.6
Garena Free Fire - The Cobra	25.3	27.3
Call of Duty: Mobile	17.2	15.1
Grand Theft Auto V (GTA 5 Mobile)	12.3	11.9
Minecraft: Pocket Edition	16.2	14.3
Real Racing 3	31.6	47.8
Sniper 3D	48.1	35.5
Need for Speed No Limits	45.5	32.8
Mortal Kombat X	32.9	35.5
CSR Racing 2	30.4	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 x7-Z8700 is better: 13
The number of parameters for which Samsung Exynos 7 Octa 7420 is better: 22
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 joint testing and listen to what people think who really appreciated the capabilities of both CPUs Atom x7-Z8700 and Exynos 7 Octa 7420, as well as read the test results at the links below.

Atom x7-Z8700 SoC - all data

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

• Atom x7-Z8700 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.