Overview - Snapdragon 778g Vs Dimensity 820

We have created a comprehensive comparison of the recently released Snapdragon 778g vs Dimensity 820 SoCs by Qualcomm and Mediatek respectively. 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
Snapdragon 778g 32
Dimensity 820 27
Gaming Performance
GPU performance in games and OpenCL/Vulcan
Snapdragon 778g 25
Dimensity 820 20
Battery Life
Efficiency of battery consumption
Snapdragon 778g 79
Dimensity 820 75
Tenzys Tech Score
Overall chip score
Snapdragon 778g 45
Dimensity 820 41
Benchmarks

AnTuTu 9

Snapdragon 778g Dimensity 820
CPU 161744 125662
GPU 156423 125708
Memory 90737 77949
UX 131554 106547
Total score 540458 435866
Key Differences

Pros of Qualcomm Snapdragon 778G

  • Snapdragon 778g has 50.02% higher memory frequency than Dimensity 820 (3200 vs 2133 MHz).
  • Snapdragon 778g has 14.29% smaller sized transistor than Dimensity 820 (6 vs 7 nm).
  • Snapdragon 778g has 24.00% better AnTuTu 9 score than Dimensity 820 (540 K vs 436 K).
  • Snapdragon 778g has latest instruction set, hence better than Dimensity 820.

Pros of Mediatek Dimensity 820

  • Dimensity 820 has 8.33% higher CPU clock speed than Snapdragon 778g (2600 vs 2400 MHz).
  • Dimensity 820 has 83.67% higher GPU clock speed than Snapdragon 778g (900 vs 490 MHz).
Benchmarks

GeekBench 5

Single-Core Score

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Snapdragon 778g 792
Dimensity 820 646

Multi-Core Score

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Snapdragon 778g 2850
Dimensity 820 2599

Image compression

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Snapdragon 778g 175.3
Dimensity 820 142.3

Face detection

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Snapdragon 778g 25
Dimensity 820 22.4

Speech recognition

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Snapdragon 778g 41
Dimensity 820 41.2

Machine learning

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Snapdragon 778g 36.7
Dimensity 820 31.3

Camera shooting

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Snapdragon 778g 34.6
Dimensity 820 21.3

HTML 5

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Snapdragon 778g 3.03
Dimensity 820 2.94

SQLite

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Snapdragon 778g 988.8
Dimensity 820 759

3DMark

Stability 98%

Graphics test 14 FPS
Stability 98%

Graphics test 13 FPS
Full list of technical specifications

Display

  • Max On-Device Display Up to FHD @ 144 Hz Full HD+ @ 120Hz
  • Max On-Display Resolution 2520 x 1080 2520 x 1080
  • Max External Display 4K @ 60 Hz -
  • HDR HDR10+, HDR10 HDR, HDR10+
  • Color Depth Up to 10-bit -
  • Color Gamut Rec2020 -
Full list of technical specifications

CPU

63%
Turbo Clock Speed

2400 MHz

69%
Turbo Clock Speed

2600 MHz

86%
Base Frequency

1900 MHz

91%
Base Frequency

2000 MHz

  • Architecture 1x 2.4 GHz – Kryo 670 Prime (Cortex-A78)
    3x 2.2 GHz – Kryo 670 Gold (Cortex-A78)
    4x 1.9 GHz – Kryo 670 Silver (Cortex-A55)
    4x 2.6 GHz – Cortex-A76
    4x 2 GHz – Cortex-A55
  • Cores 8 8
  • Instruction set ARMv8.4-A ARMv8.3-A
  • L1 cache - -
  • L2 cache 2 MB -
  • L3 cache - -
  • Process 6 nm 7 nm
  • Transistor count - -
  • TDP 5 W 10 W
Full list of technical specifications

Graphics

  • GPU name Adreno 642L Mali-G57 MC5
  • Architecture Adreno 600 Valhall
  • GPU frequency 490 MHz 900 MHz
  • Execution units 2 5
  • Shading units 384 80
  • FLOPS 684 Gigaflops -
  • Vulkan version 1.1 1.1
  • OpenCL version 2.0 2.0
  • DirectX version 12 12
Full list of technical specifications

Memory

  • Memory frequency 3200 MHz 2133 MHz
  • Max bandwidth 25.6 Gbit/s 17.07 Gbit/s
  • Max Size 16 GB 16 GB
  • Memory type LPDDR5 LPDDR4X
  • Bus 2x 16 Bit 1x 16 Bit
Full list of technical specifications

Multimedia (ISP)

  • Neural processor (NPU) Hexagon 770 MediaTek APU 3.0
  • Storage type UFS 3.0, UFS 3.1 UFS 2.2
  • Max display resolution 2520 x 1080 2520 x 1080
  • Max camera resolution 1x 192MP, 2x 36MP 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, VP8, VP9 H.264, H.265, VP9
  • Audio codecs AAC, AIFF, CAF, MP3, MP4, WAV AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC
Full list of technical specifications

Connectivity

  • Modem X53 -
  • 4G support LTE Cat. 24 LTE Cat. 18
  • 5G support Yes Yes
  • Wi-Fi 6 5
  • Bluetooth 5.2 5.1
  • Navigation GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
Full list of technical specifications

Info

Review

Review By TenzysTech

Qualcomm Snapdragon 778G

CPU
32%
GPU
25%
Memory
38%
Energy efficiency and battery life
79%

Mediatek Dimensity 820

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

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