MediaTek Helio G99 vs MediaTek Dimensity 6400
We compared two versions of phone SoCs: 8 cores 2200MHz MediaTek Helio G99 vs. 8 cores 2500MHz MediaTek Dimensity 6400 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.
Main Differences
MediaTek Helio G99 's Advantages
Larger memory bandwidth (17.1GB/s vs 17.07GB/s)
MediaTek Dimensity 6400 's Advantages
Higher Frequency (2500MHz vs 2200MHz)
Released 2 years and 9 months late
Score
Benchmark
AnTuTu 10
MediaTek Helio G99
415167
MediaTek Dimensity 6400
+7%
446033
CPU
2x 2.2 GHz – Cortex-A76
6x 2 GHz – Cortex-A55
Architecture
2x 2.5 GHz – Cortex-A76
6x 2 GHz – Cortex-A55
2200 MHz
Frequency
2500 MHz
8
Cores
8
ARMv8.2-A
Instruction set
ARMv8.2-A
-
L2 cache
1 MB
-
L3 cache
2 MB
6 nm
Process
6 nm
5 W
TDP
-
TSMC
Manufacturing
TSMC
Graphics
Mali-G57 MP2
GPU name
Mali-G57 MP2
1100 MHz
GPU frequency
-
2
Execution units
-
64
Shading units
64
10
Max size
12
0.2816 TFLOPS
FLOPS
-
1.3
Vulkan version
1.3
2.0
OpenCL version
2.0
12
DirectX version
12
Memory
LPDDR4X
Memory type
LPDDR4X
2133 MHz
Memory frequency
2133 MHz
2x 16 Bit
Bus
2x 16 Bit
17.1 Gbit/s
Max bandwidth
17.07 Gbit/s
Multimedia (ISP)
Yes
Neural processor (NPU)
Yes
UFS 2.2
Storage type
UFS 2.2
2520 x 1080
Max display resolution
2520 x 1080
1x 108MP, 2x 16MP
Max camera resolution
1x 108MP, 2x 16MP
2K at 30FPS
Video capture
2K at 30FPS
2K at 30FPS
Video playback
2K at 30FPS
H.264, H.265, VP9
Video codecs
- H.264
- H.265
- VP9
AAC, AIFF, CAF, MP3, MP4, WAV
Audio codecs
- AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
Connectivity
LTE Cat. 13
4G support
-
No
5G support
Yes
Up to 650 Mbps
Download speed
Up to 3300 Mbps
Up to 150 Mbps
Upload speed
-
5
Wi-Fi
5
5.2
Bluetooth
5.4
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Info
May 2022
Announced
Feb 2025
Mid range
Class
Mid range
MT6789
Model number
-
