MediaTek Dimensity 9400 vs Unisoc T820

SOC Specs Compare

CPU

Architecture
1x 3.63 GHz – Cortex-X9253x 3.3 GHz – Cortex-X44x 2.4 GHz – Cortex-A720
1x 2.7 GHz – Cortex-A763x 2.3 GHz – Cortex-A764x 2.1 GHz – Cortex-A55
Frequency
3630 MHz
2700 MHz
Cores
8
8
Instruction set
ARMv9.2-A
ARMv8.2-A
L2 cache
3.5 MB
-
L3 cache
12 MB
-
Process
3 nm
6 nm
TDP
15 W
-
Manufacturing
TSMC
TSMC

Graphics

GPU name
Mali-G925 Immortalis MP12
Mali-G57 MP4
GPU frequency
1612 MHz
780 MHz
Shading units
128
64
Vulkan version
1.3
1.3
OpenCL version
3.0
2.0
DirectX version
12.1
-
Execution units
-
4

Memory

Memory Type
LPDDR5X
LPDDR4X
Memory frequency
5333 MHz
2133 MHz
Bus
4x 16 Bit
2x 16 Bit
Max bandwidth
85.3 Gbit/s
17.07 Gbit/s

AI

NPU
MediaTek NPU 890
-

Multimedia (ISP)

Neural processor (NPU)
Yes
Yes
Storage type
UFS 4.0
eMMC 5.1, UFS 3.1
Max display resolution
3840 x 2160
3440 x 1440
Max camera resolution
1x 320MP
1x 108MP, 2x 20MP
Video capture
8K at 60FPS, 4K at 120FPS
4K at 60FPS
Video playback
8K at 60FPS, 4K at 120FPS
4K at 60FPS
Video codecs
- H.264- H.265- AV1- VP9
H.264, H.265
Audio codecs
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
AAC, AIFF, CAF, MP3, MP4, WAV

Connectivity

4G support
LTE Cat. 24
LTE Cat. 15
5G support
Yes
Yes
Wi-Fi
7
5
Bluetooth
6.0
5.0
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo

Info

Announced
Oct 2024
Nov 2022
Class
Flagship
Mid range
Model number
MT6991
-
Official page

📊 Benchmark

AnTuTu 10
2,647,012
492,038
Geekbench 6
2,874
764
Geekbench 6
8,969
2,301
FP32 (float)
-
435