Qualcomm Snapdragon 805 vs MediaTek Helio X20 (MT6797)

Comparisons   11-03-2021
   So, which chip or processor is better? Detailed data of benchmarks and speed tests Qualcomm Snapdragon 805 vs MediaTek Helio X20 (MT6797), compare of GPUs Adreno 420 and Mali-T880 MP4.
   This performance comparison involves two processors: Snapdragon 805 is gexa-core (Krait 450) and Helio X20 (MT6797) is deca-core (ARM Cortex-A72). Both processors went through battery life test and power consumption test. A thorough review of all the technical characteristics of the CPUs, to make it easier to read, is summarized in the table.
   From the video comparison, you can get the results of parallel benchmarking in special testing software such as WebXPRT 3, GFXBench, Mozilla Kraken, Neocore, Octane V2, PCMark, PassMark, Geekbench, Vellamo, 3DMark, Quadrant, AnTuTu, and how good the processors are in games Minecraft Bedrock, Fortnite, PUBG, Mortal Kombat, Real Racing 3, Call of Duty: Mobile, Garena Free Fire - The Cobra, Sniper 3D etc.
   After reading the results of parallel benchmarks and videos, you already be able to figure out which SoCs is better to buy Snapdragon 805 or Helio X20 (MT6797) 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

Snapdragon 805

Helio X20 (MT6797)

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

Snapdragon 805

19%

Helio X20 (MT6797)

42%

Gaming performance
Which CPU is better for gaming

Snapdragon 805

Helio X20 (MT6797)

Antutu v10, 9

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

	Snapdragon 805	Helio X20 (MT6797)
Total score	59764	83288
CPU	16725	23311
GPU	22712	31649
MEM	9562	13320
UX	10760	14981

GeekBench 6, 5.2

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

	Snapdragon 805	Helio X20 (MT6797)
Single-Core	93	215
Multi-Core	328	970

Comparison of specifications

CPU and Memory

	Snapdragon 805	Helio X20 (MT6797)
Frequency	2700 MHz	2100 MHz
Cores	6	10
Bit	32	64
Lithography	28 nm	20 nm
Transistors count
Core configuration	4x2.7 GHz Krait 450	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	LPDDR3	LPDDR3 (Dual Channel)
Max. Memory	6 Gb	4 Gb
Memory Frequency	933	800
Memory bandwidth	6	12.8
Neural Processor (NPU)	No	No
L1 cache	128 KB
L2 cache	2 MB
L3 cache	1 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 Snapdragon 805 is 22% better than Helio X20 (MT6797) in terms of CPU frequency. Another difference is that Snapdragon 805 has 4 more core than Helio X20 (MT6797). Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Adreno 420	Mali-T880 MP4
GPU Frequency	600 MHz	780 MHz
GFloPS	172.8	106
# of Cores		4
# of Shader Units	128
Display	2560 x 1600 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)	10.8	16.4
Garena Free Fire - The Cobra	19.6	29.1
Call of Duty: Mobile	11.9	17.7
Grand Theft Auto V (GTA 5 Mobile)	7.4	13.1
Minecraft: Pocket Edition	11.9	16.7
Real Racing 3	29.4	36.4
Sniper 3D	43.1	46.6
Need for Speed No Limits	27.4	52.4
Mortal Kombat X	31.4	37.8
CSR Racing 2	23.5	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	21 MP	32 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/AVC, H.265/HEVC	H.264, H.265

Networks and Navigation

Modem	Gobi MDM9x25
Download speed	150 MBit/s.	150 MBit/s.
Upload speed	20 MBit/s.	50 MBit/s.
Navigation	GPS, Beidou, SBAS, Glonass, Galileo, QZSS	GPS, Galileo, Glonass, Beidou
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Qualcomm Snapdragon 805 is better: 9
The number of parameters for which MediaTek Helio X20 (MT6797) is better: 26
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 parallel comparison and hear what those who really appreciated the capabilities of both CPUs think, and also read the test results on the links under the article.

Snapdragon 805 SoC - all data

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

• Snapdragon 805 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.