MediaTek Helio G99 vs MediaTek Dimensity 9400
SOC · Specs Compare
CPU
Architecture
2x 2.2 GHz – Cortex-A766x 2 GHz – Cortex-A55
1x 3.63 GHz – Cortex-X9253x 3.3 GHz – Cortex-X44x 2.4 GHz – Cortex-A720
Frequency
2200 MHz
3630 MHz
Cores
8
8
Instruction set
ARMv8.2-A
ARMv9.2-A
Process
6 nm
3 nm
TDP
5 W
15 W
Manufacturing
TSMC
TSMC
L2 cache
—
3.5 MB
L3 cache
—
12 MB
Graphics
GPU name
Mali-G57 MP2
Mali-G925 Immortalis MP12
GPU frequency
1100 MHz
1612 MHz
Execution units
2
—
Shading units
64
128
Vulkan version
1.3
1.3
OpenCL version
2.0
3.0
DirectX version
12
12.1
Memory
Memory Type
LPDDR4X
LPDDR5X
Memory frequency
2133 MHz
5333 MHz
Bus
2x 16 Bit
4x 16 Bit
Max bandwidth
17.1 Gbit/s
85.3 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Yes
Yes
Storage type
UFS 2.2
UFS 4.0
Max display resolution
2520 x 1080
3840 x 2160
Max camera resolution
1x 108MP, 2x 16MP
1x 320MP
Video capture
2K at 30FPS
8K at 60FPS, 4K at 120FPS
Video playback
2K at 30FPS
8K at 60FPS, 4K at 120FPS
Video codecs
H.264, H.265, VP9
- H.264- H.265- AV1- VP9
Audio codecs
AAC, AIFF, CAF, MP3, MP4, WAV
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
Connectivity
4G support
LTE Cat. 13
LTE Cat. 24
5G support
No
Yes
Download speed
Up to 650 Mbps
—
Upload speed
Up to 150 Mbps
—
Wi-Fi
5
7
Bluetooth
5.2
6.0
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Info
Announced
May 2022
Oct 2024
Class
Mid range
Flagship
Model number
MT6789
MT6991
AI
NPU
—
MediaTek NPU 890
Benchmark
AnTuTu 10
415,167
2,647,012
Geekbench 6
733
2,874
Geekbench 6
1,994
8,969
FP32 (float)
281
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.