Samsung Exynos 7 Octa 7884B vs MediaTek Helio X20 (MT6797)

Comparisons   11-03-2021
   So, which chip or processor is better? Full data of speed tests and benchmarks Samsung Exynos 7 Octa 7884B vs MediaTek Helio X20 (MT6797), comparison of GPUs Mali-T880 MP4 and Mali-G71 MP2.
   This performance comparison involves two processors: Exynos 7 Octa 7884B is octa-core (ARM Cortex-A73) and Helio X20 (MT6797) is deca-core (ARM Cortex-A72). Both processors went through battery life test and power consumption test. A careful review of all the specifications of the CPUs, so that it can be easier to understand, is made by the table.
   From the video comparison, you can get the results of joint benchmarking in synthetic type tests such as PassMark, Geekbench, Quadrant, AnTuTu 8, GFXBench, PCMark, 3DMark, WebXPRT 3, Neocore, Mozilla Kraken, Octane V2, Vellamo, and how good the chips are in games Real Racing 3, Minecraft Bedrock, Fortnite, Sniper 3D, Call of Duty: Mobile, PUBG, Mortal Kombat, Garena Free Fire - The Cobra etc.
   After reading the results these benchmarks and videos, you can already make an informed decision about which chip is better to buy Exynos 7 Octa 7884B or Helio X20 (MT6797) and which chip is better for gaming: Madout2, Asphalt 9, CSR Racing 2, Need for Speed No Limits.

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

Helio X20 (MT6797)

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

Exynos 7 Octa 7884B

61%

Helio X20 (MT6797)

42%

Gaming performance
Which CPU is better for gaming

Exynos 7 Octa 7884B

Helio X20 (MT6797)

Antutu v10, 9

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

	Exynos 7 Octa 7884B	Helio X20 (MT6797)
Total score	69828	83288
CPU	19550	23311
GPU	26528	31649
MEM	11165	13320
UX	12569	14981

GeekBench 6, 5.2

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

	Exynos 7 Octa 7884B	Helio X20 (MT6797)
Single-Core	180	215
Multi-Core	813	970

Comparison of specifications

CPU and Memory

	Exynos 7 Octa 7884B	Helio X20 (MT6797)
Frequency	1600 MHz	2100 MHz
Cores	8	10
Bit	64	64
Lithography	14 nm	20 nm
Transistors count
Core configuration	2x1.6 GHz ARM Cortex-A73 6x1.35 GHz ARM Cortex-A53	2x2.1 GHz ARM Cortex-A72 4x1.85 GHz ARM Cortex-A53 4x1.4 GHz ARM Cortex-A53
Power consumption (TDP)	5 W	5 W
Memory type	LPDDR4	LPDDR3 (Dual Channel)
Max. Memory	4 Gb	4 Gb
Memory Frequency	1866	800
Memory bandwidth		12.8
Neural Processor (NPU)	No	No
L1 cache
L2 cache
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 Helio X20 (MT6797) is 23% better than Exynos 7 Octa 7884B in terms of CPU frequency. Another difference is that Exynos 7 Octa 7884B has 2 more core than Helio X20 (MT6797). Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Mali-G71 MP2	Mali-T880 MP4
GPU Frequency	770 MHz	780 MHz
GFloPS	52.3	106
# of Cores	2	4
# of Shader Units
Display	2560 x 1440 pixels	2560 x 1600 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	16.4
Garena Free Fire - The Cobra	25.3	29.1
Call of Duty: Mobile	17.3	17.7
Grand Theft Auto V (GTA 5 Mobile)	12.2	13.1
Minecraft: Pocket Edition	16.8	16.7
Real Racing 3	31.6	36.4
Sniper 3D	48.1	46.6
Need for Speed No Limits	35.4	52.4
Mortal Kombat X	29.1	37.8
CSR Racing 2	32.9	40.7

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	28 MP	32 MP
Dual Camera resolution	28 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
Video Encoding resolution	4K (Ultra HD), 2K, FullHD	4K, 2K, FullHD
Codec support	H.264, H.265/HEVC, VP9	H.264, H.265

Networks and Navigation

Modem	LTE Cat.13 3CA
Download speed	600 MBit/s.	150 MBit/s.
Upload speed	150 MBit/s.	50 MBit/s.
Navigation	GPS, Glonass, Beidou	GPS, Galileo, Glonass, Beidou
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Samsung Exynos 7 Octa 7884B is better: 9
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 23
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 comparison and hear what people say who really appreciated the capabilities of both chipsets Exynos 7 Octa 7884B and Helio X20 (MT6797), as well as read the test results at the links below.

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.

Helio X20 (MT6797) SoC - all data

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

• Helio X20 (MT6797) specs and review.