Mobile processor comparison

MediaTek Dimensity 8400 vs MediaTek Helio G81

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

Compared fields 37
Different values 35
Quick factual highlights
MediaTek Dimensity 8400
  • Higher maximum CPU clock
  • Smaller manufacturing process
  • Higher listed GPU clock
MediaTek Helio G81 No safely comparable numerical advantage detected.
Side-by-side specifications

Detailed comparison

CPU

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
Architecture 1x 3.25 GHz - Cortex-A7253x 3 GHz - Cortex-A7254x 2.1 GHz - Cortex-A725 2x 2 GHz - Cortex-A756x 1.8 GHz - Cortex-A55
CPU cores 8 8
Clock speed 3250 MHz 2000 MHz
Instruction set ARMv9-A ARMv8.2-A
Process technology 4 nanometers 12 nanometers
TDP Not available 5 W

Cache and memory

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
L2 cache 1 MB Not available
L3 cache 6 MB Not available
Memory type LPDDR5X LPDDR4X
Memory frequency 4266 MHz 1800 MHz
Memory bus 4x 16 Bit 2x 16 Bit
Maximum bandwidth 68.2 Gbit/s 13.41 Gbit/s
Maximum memory 24 GB 8 GB

Graphics and AI

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
GPU Mali-G720 MP7 Mali-G52 MP2
GPU architecture Valhall 5th gen Bifrost 2nd gen
GPU clock 1300 MHz 950 MHz
Shaders 896 24
FLOPS 2329.6 Gigaflops 91.2 Gigaflops
Vulkan 1.3 1.3
OpenCL 3.2 2.0
DirectX 12 Not available
Neural processor / NPU MediaTek NPU 880 Yes

Display and media

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
Maximum display resolution Not available 2520 x 1080
Maximum camera resolution 1x 320MP, 3x 32MP 1x 48MP
Video capture 4K at 60FPS 2K at 30FPS
Video playback 4K at 60FPS 2K at 30FPS
Video codecs - H.264 - H.265 - AV1 - VP9 - H.264 - H.265 - VP9
Audio codecs - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 - AIFF - CAF - MP3 - MP4 - WAV

Connectivity

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
5G Yes No
Download speed Up to 5170 Mbps Not available
Wi-Fi 6 5
Bluetooth 6.0 5.4
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo

General

SpecificationMediaTek Dimensity 8400MediaTek Helio G81
Release December 2024 August 2024
Class Mid range Low end
Model number MT6899, MT6899Z Not available
Storage support UFS 4.0 eMMC 5.1, UFS 2.1
Real devices

Phones using these processors

Examples found in the existing device catalogue.

MediaTek Dimensity 8400

5G
Realme GT 7T
Realme

Realme GT 7T

3.6
Smartphone
Display
AMOLED, 120 Hz, 1280 × 2800 pixels (6.80 inch…
RAM
12 GB, 8 GB
Storage
256 GB, 512 GB
Battery
Si-Car 7000 mAh
5G
Realme Neo7 SE
Realme

Realme Neo7 SE

3.6
Smartphone
Display
LTPO AMOLED 1.07G colors, 120 Hz (6.78 inches)
RAM
12 GB, 16 GB, 8 GB
Storage
256 GB, 512 GB
Battery
Li-Po 7000 mAh
5G
Redmi Turbo 4
Redmi

Redmi Turbo 4

3.6
Smartphone
Display
OLED 68.7G colors, 120 Hz, 1220 × 2712 pixels…
RAM
12 GB, 16 GB
Storage
256 GB, 512 GB
Battery
Li-Po 6550 mAh

MediaTek Helio G81

4G
Motorola Moto G15 Power
Motorola

Motorola Moto G15 Power

3.6
Smartphone
Display
IPS TFT 16.7M colors, 60 Hz, 1080 × 2400 pixe…
RAM
8 GB
Storage
256 GB
Battery
Li-Po 6000 mAh
4G
Motorola Moto G05
Motorola

Motorola Moto G05

3.6
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, (6.67 inches)
RAM
4 GB, 8 GB
Storage
128 GB, 256 GB, 64 GB
Battery
Li-Po 5200 mAh
4G
Motorola Moto E15
Motorola

Motorola Moto E15

3.3
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, 720 × 1604 pixel…
RAM
2 GB
Storage
64 GB
Battery
Li-Po 5200 mAh
4G
Motorola Moto G15
Motorola

Motorola Moto G15

3.6
Smartphone
Display
IPS TFT 16.7M colors, 60 Hz, 1080 × 2400 pixe…
RAM
4 GB, 8 GB
Storage
128 GB, 256 GB, 512 GB
Battery
Li-Po 5200 mAh
4G
Realme C75x
Realme

Realme C75x

3.6
Smartphone
Display
IPS TFT 16.7M colors, 120 Hz, 720 × 1604 pixe…
RAM
8 GB
Storage
128 GB
Battery
Li-Ion 5600 mAh
4G
Redmi 14C China
Redmi

Redmi 14C China

3.6
Smartphone
Display
IPS TFT 16.7M colors, 120 Hz, 720 × 1640 pixe…
RAM
4 GB, 6 GB, 8 GB
Storage
128 GB, 256 GB, 64 GB
Battery
Li-Ion 5160 mAh
4G
Redmi 14C
Redmi

Redmi 14C

3.6
Smartphone
Display
IPS TFT 16.7M colors, 120 Hz, 720 × 1640 pixe…
RAM
4 GB, 6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5160 mAh
4G
POCO C75
POCO

POCO C75

3.6
Smartphone
Display
IPS TFT 16.7M colors, 120 Hz, 720 × 1640 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5160 mAh