Mobile processor comparison

MediaTek Helio G91 vs MediaTek Dimensity 800U

Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.

Compared fields 39
Different values 33
Quick factual highlights
MediaTek Helio G91
  • Higher listed GPU clock
MediaTek Dimensity 800U
  • Higher maximum CPU clock
  • Smaller manufacturing process
  • Higher listed download speed
Side-by-side specifications

Detailed comparison

CPU

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
Architecture 2x 2 GHz - Cortex-A756x 1.8 GHz - Cortex-A55 2x 2.4 GHz - Cortex-A766x 2 GHz - Cortex-A55
CPU cores 8 8
Clock speed 2000 MHz 2400 MHz
Instruction set ARMv8.2-A ARMv8-A
Process technology 12 nanometers 7 nanometers
TDP 5 W 10 W

Cache and memory

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
Memory type LPDDR4X LPDDR4X
Memory frequency 1800 MHz 2133 MHz
Memory bus 2x 16 Bit 2x 16 Bit
Maximum bandwidth 13.41 Gbit/s 17.07 Gbit/s
Maximum memory 8 GB 12 GB

Graphics and AI

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
GPU Mali-G52 MP2 Mali-G57 MC3
GPU architecture Bifrost 2nd gen Valhall
GPU clock 1000 MHz 850 MHz
Execution units Not available 3
Shaders 24 48
FLOPS 96 Gigaflops Not available
Vulkan 1.3 1.1
OpenCL 2.0 2.0
DirectX Not available 12
Neural processor / NPU MediaTek APU Yes

Display and media

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
Maximum display resolution 2520 x 1080 2520 x 1080
Maximum camera resolution 1x 108MP, 2x 16MP 1x 64MP, 2x 20MP
Video capture 2K at 30FPS 4K at 30FPS
Video playback 2K at 30FPS 4K at 30FPS
Video codecs - H.264 - H.265 - VP9 H.264, H.265, VP9
Audio codecs - AIFF - CAF - MP3 - MP4 - WAV AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC

Connectivity

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
4G LTE Cat. 7 LTE Cat. 18
5G No Yes
Download speed Up to 300 Mbps Up to 1200 Mbps
Upload speed Up to 100 Mbps Up to 211 Mbps
Wi-Fi 5 5
Bluetooth 5.4 5.1
Navigation GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS

General

SpecificationMediaTek Helio G91MediaTek Dimensity 800U
Release June 2024 August 2020
Class Low end Mid range
Model number Not available MT6853T
Storage support eMMC 5.1, UFS 2.1 UFS 2.2
Devices in database Not available 23
Real devices

Phones using these processors

Examples found in the existing device catalogue.

MediaTek Helio G91

4G
Redmi 13 4G
Redmi

Redmi 13 4G

3.6
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5030 mAh
4G
POCO M6 4G
POCO

POCO M6 4G

3.6
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5030 mAh

MediaTek Dimensity 800U

No linked devices were found in the sampled legacy tables.