Qualcomm Snapdragon 8cx Gen 3 vs MediaTek Dimensity 820

Comparisons 02-08-2021

Detailed comparison data of Qualcomm Snapdragon 8cx Gen 3 vs MediaTek Dimensity 820, examination of graphics processors (GPU). A careful analysis of all the technical characteristics of the chips, to make it easier to understand, is made by the table. From the video comparison, you can get the results of joint testing in software tests such as Neocore, 3DMark, GFXBench, AnTuTu, Quadrant, Vellamo, PCMark, PassMark, Geekbench, even the gaming performance of SoCs in Minecraft, PUBG, GTA, Call of Duty, Fortnite, Madout2, Asphalt 9 etc.
After reading the results of joint tests and videos, you can already make an briefed decision about which CPU is better to buy Qualcomm Snapdragon 8cx Gen 3 or Dimensity 820.

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 8cx Gen 3

35%

Dimensity 820

30%

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

Snapdragon 8cx Gen 3

76%

Dimensity 820

75%

Gaming performance
Which CPU is better for gaming

Snapdragon 8cx Gen 3

32%

Dimensity 820

27%

Antutu v10, 9

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

	Snapdragon 8cx Gen 3	Dimensity 820
Total score	491882	418747
CPU	137723	117242
GPU	186921	159126
MEM	78707	67000
UX	88528	75366

GeekBench 6, 5.2

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

	Snapdragon 8cx Gen 3	Dimensity 820
Single-Core	1027	897
Multi-Core	4002	2961

Comparison of specifications

CPU and Memory

	Snapdragon 8cx Gen 3	Dimensity 820
Frequency	3050 MHz	2600 MHz
Cores	8	8
Bit	64	64
Lithography	7 nm	7 nm
Transistors count
Core configuration	4x3.05 GHz Cortex-A76 4x2.64 GHz Cortex-A55	4x2.6 GHz ARM Cortex-A76 4x2.0 GHz ARM Cortex-A55
Power consumption (TDP)	10 W	10 W
Memory type	LPDDR5 (Quad Channel)	LPDDR4x
Max. Memory	32 Gb	16 Gb
Memory Frequency	3200	2133
Memory bandwidth	96	17.07
Neural Processor (NPU)	Yes	Yes
L1 cache	384 KB
L2 cache	768 KB
L3 cache	2 MB
Instruction set architecture (ISA)	ARMv8.1-A	ARMv8.3-A

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here Snapdragon 8cx Gen 3 is 14% better than Dimensity 820 in terms of CPU frequency. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Adreno 730	Mali-G57 MP5
GPU Frequency	970 MHz	850 MHz
GFloPS	1800	705.5
# of Cores		5
# of Shader Units	1024
Display	3840 x 2400 pixels	2520 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	29.9	30.7
PlayerUnknown's Battlegrounds (PUBG Mobile)	44.5	47.4
Garena Free Fire - The Cobra	57.8	57.4
Call of Duty: Mobile	54.6	39.8
Grand Theft Auto V (GTA 5 Mobile)	35.8	38.2
Minecraft: Pocket Edition	56.6	58.1
Real Racing 3	113.7	71.8
Sniper 3D	106.7	109.1
Need for Speed No Limits	78.8	68.9
Mortal Kombat X	91.2	66
CSR Racing 2	67.3	74.6

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	32 MP	80 MP
Dual Camera resolution	16 MP	32 MP
Image Signal Processor (ISP)	Qualcomm Spectra 395
Video Encoding FPS	120	240
Video Encoding resolution	4K (Ultra HD), 2K, FullHD	4K, 2K, FullHD
Codec support	H.264/AVC, H.265/HEVC	H.264, H.265/HEVC

Networks and Navigation

Modem	Qualcomm Snapdragon X50 LTE modem	5G Multi-Mode
Download speed	9000 MBit/s.	4700 MBit/s.
Upload speed	4500 MBit/s.	2500 MBit/s.
Navigation	GPS, Galileo, Glonass, Beidou, QZSS, SBAS	GPS, Galileo, Glonass, Beidou
NFC support	Yes	No
5G support	Yes	No

Result:
The number of parameters for which Qualcomm Snapdragon 8cx Gen 3 is better: 29
The number of parameters for which MediaTek Dimensity 820 is better: 11
Please note that you do not need to blindly trust the automatic comparison of the table. It is better to just watch the full video of joint comparison and listen to what people say who really appreciated the capabilities of both processors, and also read the test results on the links under the article.

Snapdragon 8cx Gen 3 SoC - all data

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

• Snapdragon 8cx Gen 3 specs and review.

Dimensity 820 SoC - all data

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

• Dimensity 820 specs and review.