MediaTek Helio G99 vs MediaTek Dimensity 7400
SOC · Specs Compare
CPU
Architecture
2x 2.2 GHz – Cortex-A766x 2 GHz – Cortex-A55
4x 2.6 GHz – Cortex-A784x 2 GHz – Cortex-A55
Frequency
2200 MHz
2600 MHz
Cores
8
8
Instruction set
ARMv8.2-A
ARMv8.2-A
Process
6 nm
4 nm
TDP
5 W
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Manufacturing
TSMC
TSMC
Graphics
GPU name
Mali-G57 MP2
Mali-G615 MP2
GPU frequency
1100 MHz
—
Execution units
2
—
Shading units
64
128
Vulkan version
1.3
1.3
OpenCL version
2.0
2.0
DirectX version
12
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Memory
Memory Type
LPDDR4X
LPDDR5
Memory frequency
2133 MHz
3200 MHz
Bus
2x 16 Bit
4x 16 Bit
Max bandwidth
17.1 Gbit/s
25.6 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Yes
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Storage type
UFS 2.2
UFS 3.1
Max display resolution
2520 x 1080
2520 x 1080
Max camera resolution
1x 108MP, 2x 16MP
1x 200MP
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
AAC, AIFF, CAF, MP3, MP4, WAV
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
Connectivity
4G support
LTE Cat. 13
—
5G support
No
Yes
Download speed
Up to 650 Mbps
Up to 3270 Mbps
Upload speed
Up to 150 Mbps
—
Wi-Fi
5
6
Bluetooth
5.2
5.4
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Info
Announced
May 2022
Feb 2025
Class
Mid range
Mid range
Model number
MT6789
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AI
NPU
—
MediaTek APU 655
Benchmark
AnTuTu 10
415,167
739,074
Geekbench 6
733
1,080
Geekbench 6
1,994
3,191
FP32 (float)
281
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.