Unisoc SC9863A vs MediaTek Dimensity 9400e

SOC Specs Compare

CPU

Architecture
4x 1.6 GHz – Cortex-A554x 1.2 GHz – Cortex-A55
1x 3.4 GHz – Cortex-X43x 2.85 GHz – Cortex-X44x 2 GHz – Cortex-A720
Frequency
1600 MHz
3400 MHz
Cores
8
8
Instruction set
ARMv8.2-A
ARMv9.2-A
Process
28 nm
4 nm
TDP
3 W
-
L3 cache
-
8 MB
Transistor count
-
22.7
Manufacturing
-
TSMC

Graphics

GPU name
PowerVR GE8322
Mali-G720 Immortalis MP12
GPU frequency
550 MHz
1300 MHz
Execution units
8
-
Shading units
8
128
Vulkan version
1.1
1.3
OpenCL version
1.2
3.0
DirectX version
11
12

Memory

Memory Type
LPDDR4X
LPDDR5X
Memory frequency
1800 MHz
4266 MHz
Bus
2x 16 Bit
4x 16 Bit
Max bandwidth
-
68.2 Gbit/s

Multimedia (ISP)

Neural processor (NPU)
No
-
Storage type
eMMC 5.1
UFS 4.0
Max display resolution
2160 x 1080
3840 x 2160
Max camera resolution
1x 16MP, 2x 5MP
1x 320MP
Video capture
1K at 30FPS
8K at 30FPS, 4K at 60FPS
Video playback
1080p at 30FPS
8K at 30FPS, 4K at 60FPS
Video codecs
H.264, H.265
- H.264- H.265- AV1- VP9
Audio codecs
AAC, AIFF, CAF, MP3, MP4, WAV
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3

Connectivity

4G support
LTE Cat. 7
-
5G support
No
Yes
Download speed
Up to 300 Mbps
Up to 7300 Mbps
Upload speed
Up to 150 Mbps
-
Wi-Fi
4
7
Bluetooth
4.2
6.0
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Announced
Nov 2018
May 2025
Class
Low end
Flagship
Official page
-

AI

NPU
-
MediaTek NPU 790

📊 Benchmark

AnTuTu 10
156,960
2,159,260
FP32 (float)
70
3,993
Geekbench 6
-
2,233
Geekbench 6
-
7,258