MediaTek Dimensity 8400 vs MediaTek Dimensity 7400

SOC Specs Compare

CPU

Architecture
1x 3.25 GHz – Cortex-A7253x 3 GHz – Cortex-A7254x 2.1 GHz – Cortex-A725
4x 2.6 GHz – Cortex-A784x 2 GHz – Cortex-A55
Frequency
3250 MHz
2600 MHz
Cores
8
8
Instruction set
ARMv9-A
ARMv8.2-A
L2 cache
1 MB
-
L3 cache
6 MB
-
Process
4 nm
4 nm
Manufacturing
TSMC
TSMC

Graphics

GPU name
Mali-G720 MP7
Mali-G615 MP2
GPU frequency
1300 MHz
-
Execution units
6
-
Shading units
128
128
Vulkan version
1.3
1.3
OpenCL version
3.2
2.0
DirectX version
12
-

Memory

Memory Type
LPDDR5X
LPDDR5
Memory frequency
4266 MHz
3200 MHz
Bus
4x 16 Bit
4x 16 Bit
Max bandwidth
68.2 Gbit/s
25.6 Gbit/s

AI

NPU
MediaTek NPU 880
MediaTek APU 655

Multimedia (ISP)

Neural processor (NPU)
MediaTek NPU 880
-
Storage type
UFS 4.0
UFS 3.1
Max display resolution
2960 x 1440
2520 x 1080
Max camera resolution
1x 320MP, 3x 32MP
1x 200MP
Video capture
4K at 60FPS
4K at 30FPS
Video playback
4K at 60FPS
4K 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
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3

Connectivity

5G support
Yes
Yes
Download speed
Up to 5170 Mbps
Up to 3270 Mbps
Upload speed
Up to 4200 Mbps
-
Wi-Fi
6
6
Bluetooth
6.0
5.4
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Announced
Dec 2024
Feb 2025
Class
Mid range
Mid range
Model number
MT6899, MT6899Z
-
Official page

📊 Benchmark

AnTuTu 10
1,623,874
739,074
Geekbench 6
1,571
1,080
Geekbench 6
6,033
3,191