Unisoc T820 vs MediaTek Dimensity 9400 Plus
We compared two versions of phone SoCs: 8 cores 2700MHz Unisoc T820 vs. 8 cores 3730MHz MediaTek Dimensity 9400 Plus . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.
Main Differences
MediaTek Dimensity 9400 Plus 's Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 0.4352 TFLOPS )
Larger memory bandwidth (85.3GB/s vs 17.07GB/s)
Higher Frequency (3730MHz vs 2700MHz)
More modern manufacturing process (3nm vs 6nm)
Released 2 years and 5 months late
Score
Benchmark
AnTuTu 10
Unisoc T820
492038
MediaTek Dimensity 9400 Plus
+484%
2878376
FP32 (float)
Unisoc T820
435
MediaTek Dimensity 9400 Plus
+1038%
4952
CPU
1x 2.7 GHz – Cortex-A76
3x 2.3 GHz – Cortex-A76
4x 2.1 GHz – Cortex-A55
Architecture
1x 3.73 GHz – Cortex-X925
3x 3.3 GHz – Cortex-X4
4x 2.4 GHz – Cortex-A720
2700 MHz
Frequency
3730 MHz
8
Cores
8
ARMv8.2-A
Instruction set
ARMv9.2-A
-
L2 cache
12 MB
6 nm
Process
3 nm
TSMC
Manufacturing
TSMC
Graphics
Mali-G57 MP4
GPU name
Mali-G925 Immortalis MP12
780 MHz
GPU frequency
1612 MHz
4
Execution units
-
64
Shading units
128
32
Max size
24
0.4352 TFLOPS
FLOPS
4.9521 TFLOPS
1.3
Vulkan version
1.3
2.0
OpenCL version
3.0
-
DirectX version
12.1
Memory
LPDDR4X
Memory type
LPDDR5X
2133 MHz
Memory frequency
5333 MHz
2x 16 Bit
Bus
4x 16 Bit
17.07 Gbit/s
Max bandwidth
85.3 Gbit/s
Multimedia (ISP)
Yes
Neural processor (NPU)
MediaTek NPU 890
eMMC 5.1, UFS 3.1
Storage type
UFS 4.0, UFS 4.1
3440 x 1440
Max display resolution
3840 x 2160
1x 108MP, 2x 20MP
Max camera resolution
1x 320MP
4K at 60FPS
Video capture
8K at 60FPS, 4K at 120FPS
4K at 60FPS
Video playback
8K at 60FPS, 4K at 120FPS
H.264, H.265
Video codecs
- H.264
- H.265
- AV1
- VP9
AAC, AIFF, CAF, MP3, MP4, WAV
Audio codecs
- AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
Makalu IVY510
Modem
-
Connectivity
LTE Cat. 15
4G support
LTE Cat. 24
Yes
5G support
Yes
-
Download speed
Up to 7300 Mbps
5
Wi-Fi
7
5.0
Bluetooth
6.0
GPS, GLONASS, Beidou, Galileo
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Info
Nov 2022
Announced
Apr 2025
Mid range
Class
Flagship
-
Model number
MT6991 MT6991Z/TCZA
