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35

Points
Mediatek Dimensity 800U

Dimensity 800U

36

Points
Mediatek Helio G99

Helio G99
Overview - Dimensity 800U Vs Helio G99

We have created a comprehensive comparison of the recently released Dimensity 800U vs Helio G99 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 18
Helio G99 17
Gaming Performance
GPU performance in games and OpenCL/Vulcan
Dimensity 800U 13
Helio G99 12
Battery Life
Efficiency of battery consumption
Dimensity 800U 75
Helio G99 79
Tenzys Tech Score
Overall chip score
Dimensity 800U 35
Helio G99 36
Benchmarks

AnTuTu 9

Dimensity 800U Helio G99
CPU 113735 103357
GPU 104873 86376
Memory 67803 89007
UX 116075 101683
Total score 402486 380423
Key Differences

Pros of Mediatek Dimensity 800U

  • Dimensity 800U has 9.09% higher CPU clock speed than Helio G99 (2400 vs 2200 MHz).
  • Dimensity 800U has 5.80% better AnTuTu 9 score than Helio G99 (402 K vs 380 K).

Pros of Mediatek Helio G99

  • Helio G99 has 17.65% higher GPU clock speed than Dimensity 800U (1000 vs 850 MHz).
  • Helio G99 has 100.00% higher memory frequency than Dimensity 800U (4266 vs 2133 MHz).
  • Helio G99 has 14.29% smaller sized transistor than Dimensity 800U (6 vs 7 nm).
  • Helio G99 has latest instruction set, hence better than Dimensity 800U.
  • Helio G99 Support 0.18% higher memory bandwidth than Dimensity 800U (17.1 vs 17.07 GB/s).
Benchmarks

GeekBench 5

Single-Core Score

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Dimensity 800U 594
Helio G99 543

Multi-Core Score

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Dimensity 800U 1683
Helio G99 1740

Image compression

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Dimensity 800U 105.3
Helio G99 114.8

Face detection

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Dimensity 800U 15.5
Helio G99 14.3

Speech recognition

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Dimensity 800U 33.8
Helio G99 36.1

Machine learning

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Dimensity 800U 28.6
Helio G99 30.2

Camera shooting

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Dimensity 800U 14.4
Helio G99 16.4

HTML 5

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Dimensity 800U 2.08
Helio G99 1.73

SQLite

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Dimensity 800U 534.9
Helio G99 599.6

3DMark

8%
Dimensity 800U
Stability 99%

Graphics test 9 FPS
7%
Helio G99
Stability 99%

Graphics test 8 FPS
Full list of technical specifications

Display

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

CPU

59%
Turbo Clock Speed

2400 MHz

54%
Turbo Clock Speed

2200 MHz

49%
Base Frequency

2000 MHz

49%
Base Frequency

2000 MHz

  • Architecture 2x 2.4 GHz – Cortex-A76
    6x 2 GHz – Cortex-A55
     2x 2.2 GHz – Cortex-A76
    6x 2 GHz – Cortex-A55
  • Cores 8 8
  • Instruction set ARMv8-A ARMv8.2-A
  • L1 cache - -
  • L2 cache - -
  • L3 cache - -
  • Process 7 nm 6 nm
  • Transistor count - -
  • TDP 10 W -
Full list of technical specifications

Graphics

  • GPU name Mali-G57 MC3 Mali-G57 MC2
  • Architecture Valhall Valhall
  • GPU frequency 850 MHz 1000 MHz
  • Execution units 3 2
  • Shading units 48 32
  • 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 4266 MHz
  • Max bandwidth 17.07 Gbit/s 17.1 Gbit/s
  • Max Size 12 GB 10 GB
  • Memory type LPDDR4X LPDDR4X
  • Bus 2x 16 Bit 2x 16 Bit
Full list of technical specifications

Multimedia (ISP)

  • Neural processor (NPU) Yes Yes
  • 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 108MP, 2x 16MP
  • Video capture 4K at 30FPS 2K at 30FPS
  • Video playback 4K at 30FPS 2K 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, AIFF, CAF, MP3, MP4, WAV
Full list of technical specifications

Connectivity

  • Modem - -
  • 4G support LTE Cat. 18 LTE Cat. 13
  • 5G support Yes No
  • 5G Download Speed 2300 Mbps -
  • 4G Download Speed 1200 Mbps -
  • 5G Upload Speed - -
  • 4G Upload Speed 211 Mbps -
  • Wi-Fi 5 5
  • Bluetooth 5.1 5.2
  • Navigation GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Full list of technical specifications

Info

Review

Review By TenzysTech

Mediatek Dimensity 800U

Mediatek Dimensity 800U
CPU
18%
GPU
13%
Memory
25%
Energy efficiency and battery life
75%

Mediatek Helio G99

Mediatek Helio G99
CPU
17%
GPU
12%
Memory
50%
Energy efficiency and battery life
79%

FAQ - Which Processor is Better?

Which processor is better in Turbo Frequency between Dimensity 800U and Helio G99?

The processor with the higher Turbo Frequency is: Dimensity 800U with a 9.09% higher clock speed (2400 MHz vs 2200 MHz).

Which processor is better in GPU Frequency between Dimensity 800U and Helio G99?

The processor with the higher GPU Frequency is: Helio G99 with a 17.65% higher GPU clock speed (1000 MHz vs 850 MHz).

Which processor is better in Memory Frequency between Dimensity 800U and Helio G99?

The processor with the higher Memory Frequency is: Helio G99 with a 100.00% higher memory frequency (4266 MHz vs 2133 MHz).

Which processor has a smaller transistor size between Dimensity 800U and Helio G99?

The processor with a smaller transistor size is: Helio G99 with a 14.29% smaller transistor size (6 nm vs 7 nm).

Which processor has a better AnTuTu score between Dimensity 800U and Helio G99?

The processor with the better AnTuTu score is: Dimensity 800U with a 5.80% better score (402486 vs 380423).

Choose between two processors

Cast your vote

Total Votes: 1