MediaTek Helio G99 vs MediaTek Dimensity 9400e
We compared two versions of phone SoCs: 8 cores 2200MHz MediaTek Helio G99 vs. 8 cores 3400MHz MediaTek Dimensity 9400e . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.
Main Differences
MediaTek Dimensity 9400e Advantages
Better graphics card performance FLOPS (3.9936 TFLOPS vs 0.2816 TFLOPS )
Larger memory bandwidth (68.2GB/s vs 17.1GB/s)
Higher Frequency (3400MHz vs 2200MHz)
More modern manufacturing process (4nm vs 6nm)
Released 3 years late
Score
Benchmark
AnTuTu 10
MediaTek Helio G99
415167
MediaTek Dimensity 9400e
+420%
2159260
FP32 (float)
MediaTek Helio G99
281
MediaTek Dimensity 9400e
+1320%
3993
CPU
2x 2.2 GHz – Cortex-A76
6x 2 GHz – Cortex-A55
6x 2 GHz – Cortex-A55
Architecture
1x 3.4 GHz – Cortex-X4
3x 2.85 GHz – Cortex-X4
4x 2 GHz – Cortex-A720
3x 2.85 GHz – Cortex-X4
4x 2 GHz – Cortex-A720
2200 MHz
Frequency
3400 MHz
8
Cores
8
ARMv8.2-A
Instruction set
ARMv9.2-A
-
L3 cache
8 MB
6 nm
Process
4 nm
-
Transistor count
22.7
5 W
TDP
-
TSMC
Manufacturing
TSMC
Graphics
Mali-G57 MP2
GPU name
Mali-G720 Immortalis MP12
1100 MHz
GPU frequency
1300 MHz
2
Execution units
-
64
Shading units
128
10
Max size
24
0.2816 TFLOPS
FLOPS
3.9936 TFLOPS
1.3
Vulkan version
1.3
2.0
OpenCL version
3.0
12
DirectX version
12
Memory
LPDDR4X
Memory type
LPDDR5X
2133 MHz
Memory frequency
4266 MHz
2x 16 Bit
Bus
4x 16 Bit
17.1 Gbit/s
Max bandwidth
68.2 Gbit/s
Multimedia (ISP)
Yes
Neural processor (NPU)
MediaTek NPU 790
UFS 2.2
Storage type
UFS 4.0
2520 x 1080
Max display resolution
3840 x 2160
1x 108MP, 2x 16MP
Max camera resolution
1x 320MP
2K at 30FPS
Video capture
8K at 30FPS, 4K at 60FPS
2K at 30FPS
Video playback
8K at 30FPS, 4K at 60FPS
H.264, H.265, VP9
Video codecs
- H.264
- H.265
- AV1
- VP9
- H.265
- AV1
- VP9
AAC, AIFF, CAF, MP3, MP4, WAV
Audio codecs
- AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
Connectivity
LTE Cat. 13
4G support
-
No
5G support
Yes
Up to 650 Mbps
Download speed
Up to 7300 Mbps
Up to 150 Mbps
Upload speed
-
5
Wi-Fi
7
5.2
Bluetooth
6.0
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Info
May 2022
Announced
May 2025
Mid range
Class
Flagship
MT6789
Model number
-
