MediaTek Dimensity 9400 vs Unisoc T820
We compared two versions of phone SoCs: 8 cores 3630MHz MediaTek Dimensity 9400 vs. 8 cores 2700MHz Unisoc T820 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.
Main Differences
MediaTek Dimensity 9400 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 (3630MHz vs 2700MHz)
More modern manufacturing process (3nm vs 6nm)
Released 1 years and 11 months late
Score
Benchmark
AnTuTu 10
MediaTek Dimensity 9400
+437%
2647012
Unisoc T820
492038
FP32 (float)
MediaTek Dimensity 9400
+1038%
4952
Unisoc T820
435
CPU
1x 3.63 GHz – Cortex-X925
3x 3.3 GHz – Cortex-X4
4x 2.4 GHz – Cortex-A720
3x 3.3 GHz – Cortex-X4
4x 2.4 GHz – Cortex-A720
Architecture
1x 2.7 GHz – Cortex-A76
3x 2.3 GHz – Cortex-A76
4x 2.1 GHz – Cortex-A55
3x 2.3 GHz – Cortex-A76
4x 2.1 GHz – Cortex-A55
3630 MHz
Frequency
2700 MHz
8
Cores
8
ARMv9.2-A
Instruction set
ARMv8.2-A
3.5 MB
L2 cache
-
12 MB
L3 cache
-
3 nm
Process
6 nm
15 W
TDP
-
TSMC
Manufacturing
TSMC
Graphics
Mali-G925 Immortalis MP12
GPU name
Mali-G57 MP4
1612 MHz
GPU frequency
780 MHz
-
Execution units
4
128
Shading units
64
24
Max size
32
4.9521 TFLOPS
FLOPS
0.4352 TFLOPS
1.3
Vulkan version
1.3
3.0
OpenCL version
2.0
12.1
DirectX version
-
Memory
LPDDR5X
Memory type
LPDDR4X
5333 MHz
Memory frequency
2133 MHz
4x 16 Bit
Bus
2x 16 Bit
85.3 Gbit/s
Max bandwidth
17.07 Gbit/s
AI
MediaTek NPU 890
NPU
-
Multimedia (ISP)
Yes
Neural processor (NPU)
Yes
UFS 4.0
Storage type
eMMC 5.1, UFS 3.1
3840 x 2160
Max display resolution
3440 x 1440
1x 320MP
Max camera resolution
1x 108MP, 2x 20MP
8K at 60FPS, 4K at 120FPS
Video capture
4K at 60FPS
8K at 60FPS, 4K at 120FPS
Video playback
4K at 60FPS
- H.264
- H.265
- AV1
- VP9
- H.265
- AV1
- VP9
Video codecs
H.264, H.265
- AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
Audio codecs
AAC, AIFF, CAF, MP3, MP4, WAV
-
Modem
Makalu IVY510
Connectivity
LTE Cat. 24
4G support
LTE Cat. 15
Yes
5G support
Yes
7
Wi-Fi
5
6.0
Bluetooth
5.0
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Navigation
GPS, GLONASS, Beidou, Galileo
Info
Oct 2024
Announced
Nov 2022
Flagship
Class
Mid range
MT6991
Model number
-
