Overview - Dimensity 800U Vs Dimensity 820

We have created a comprehensive comparison of the recently released Dimensity 800U vs Dimensity 820 SoCs by Mediatek. We've now weighed the advantages and disadvantages of these 8-core CPUs on the basis of their Geekbench, Antutu and 3DMark benchmarks with their technical specifications.

Features

Review

CPU Performance
Single and multi-core processor tests
Dimensity 800U 21
Dimensity 820 27
Gaming Performance
GPU performance in games and OpenCL/Vulcan
Dimensity 800U 16
Dimensity 820 20
Battery Life
Efficiency of battery consumption
Dimensity 800U 75
Dimensity 820 75
Tenzys Tech Score
Overall chip score
Dimensity 800U 37
Dimensity 820 41
Benchmarks

AnTuTu 9

Dimensity 800U Dimensity 820
CPU 113735 125662
GPU 104873 125708
Memory 67803 77949
UX 116075 106547
Total score 402486 435866
Key Differences

Pros of Mediatek Dimensity 820

  • Dimensity 820 has 8.33% higher CPU clock speed than Dimensity 800U (2600 vs 2400 MHz).
  • Dimensity 820 has 5.88% higher GPU clock speed than Dimensity 800U (900 vs 850 MHz).
  • Dimensity 820 has 8.29% better AnTuTu 9 score than Dimensity 800U (436 K vs 402 K ).
  • Dimensity 820 has latest instruction set, hence better than Dimensity 800U.
Benchmarks

GeekBench 5

Single-Core Score

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Dimensity 800U 594
Dimensity 820 646

Multi-Core Score

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Dimensity 800U 1683
Dimensity 820 2599

Image compression

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Dimensity 800U 105.3
Dimensity 820 142.3

Face detection

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Dimensity 800U 15.5
Dimensity 820 22.4

Speech recognition

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Dimensity 800U 33.8
Dimensity 820 41.2

Machine learning

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Dimensity 800U 28.6
Dimensity 820 31.3

Camera shooting

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Dimensity 800U 14.4
Dimensity 820 21.3

HTML 5

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Dimensity 800U 2.08
Dimensity 820 2.94

SQLite

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Dimensity 800U 534.9
Dimensity 820 759

3DMark

Stability 99%

Graphics test 9 FPS
Stability 98%

Graphics test 13 FPS
Full list of technical specifications

Display

  • Max On-Device Display Full HD+ @ 120Hz Full HD+ @ 120Hz
  • Max On-Display Resolution 2520 x 1080 2520 x 1080
  • Max External Display - -
  • HDR HDR10+ HDR, HDR10+
  • Color Depth - -
  • Color Gamut - -
Full list of technical specifications

CPU

63%
Turbo Clock Speed

2400 MHz

69%
Turbo Clock Speed

2600 MHz

91%
Base Frequency

2000 MHz

91%
Base Frequency

2000 MHz

  • Architecture 2x 2.4 GHz – Cortex-A76
    6x 2 GHz – Cortex-A55
    4x 2.6 GHz – Cortex-A76
    4x 2 GHz – Cortex-A55
  • Cores 8 8
  • Instruction set ARMv8-A ARMv8.3-A
  • L1 cache - -
  • L2 cache - -
  • L3 cache - -
  • Process 7 nm 7 nm
  • Transistor count - -
  • TDP 10 W 10 W
Full list of technical specifications

Graphics

  • GPU name Mali-G57 MC3 Mali-G57 MC5
  • Architecture Valhall Valhall
  • GPU frequency 850 MHz 900 MHz
  • Execution units 3 5
  • Shading units 48 80
  • FLOPS - -
  • Vulkan version 1.1 1.1
  • OpenCL version 2.0 2.0
  • DirectX version 12 12
Full list of technical specifications

Memory

  • Memory frequency 2133 MHz 2133 MHz
  • Max bandwidth 17.07 Gbit/s 17.07 Gbit/s
  • Max Size 12 GB 16 GB
  • Memory type LPDDR4X LPDDR4X
  • Bus 2x 16 Bit 1x 16 Bit
Full list of technical specifications

Multimedia (ISP)

  • Neural processor (NPU) Yes MediaTek APU 3.0
  • Storage type UFS 2.2 UFS 2.2
  • Max display resolution 2520 x 1080 2520 x 1080
  • Max camera resolution 1x 64MP, 2x 20MP 1x 80MP, 2x 32MP
  • Video capture 4K at 30FPS 4K at 30FPS
  • Video playback 4K at 30FPS 4K at 30FPS
  • Video codecs H.264, H.265, VP9 H.264, H.265, VP9
  • Audio codecs AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC
Full list of technical specifications

Connectivity

  • Modem - -
  • 4G support LTE Cat. 18 LTE Cat. 18
  • 5G support Yes Yes
  • Wi-Fi 5 5
  • Bluetooth 5.1 5.1
  • Navigation GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS
Full list of technical specifications

Info

Review

Review By TenzysTech

Mediatek Dimensity 800U

CPU
21%
GPU
16%
Memory
25%
Energy efficiency and battery life
75%

Mediatek Dimensity 820

CPU
27%
GPU
20%
Memory
25%
Energy efficiency and battery life
75%
Choose between two processors

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