Unisoc SC9863A vs Qualcomm Snapdragon 821
SOC Specs Compare
CPU
Architecture
4x 1.6 GHz – Cortex-A554x 1.2 GHz – Cortex-A55
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
Frequency
1600 MHz
2342 MHz
Cores
8
4
Instruction set
ARMv8.2-A
ARMv8-A
Process
28 nm
14 nm
TDP
3 W
11 W
L1 cache
-
64 KB
L2 cache
-
0
Transistor count
-
2
Manufacturing
-
Samsung
Graphics
GPU name
PowerVR GE8322
Adreno 530
GPU frequency
550 MHz
653 MHz
Execution units
8
1
Shading units
8
256
Vulkan version
1.1
1.0
OpenCL version
1.2
2.0
DirectX version
11
11
Memory
Memory Type
LPDDR4X
LPDDR4
Memory frequency
1800 MHz
1866 MHz
Bus
2x 16 Bit
4x 16 Bit
Max bandwidth
-
29.8 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
No
Hexagon 680
Storage type
eMMC 5.1
eMMC 5.1, UFS 2.0
Max display resolution
2160 x 1080
3840 x 2160
Max camera resolution
1x 16MP, 2x 5MP
1x 28MP, 2x 13MP
Video capture
1K at 30FPS
4K at 30FPS
Video playback
1080p at 30FPS
4K at 30FPS
Video codecs
H.264, H.265
H.264, H.265, VP8, VP9
Audio codecs
AAC, AIFF, CAF, MP3, MP4, WAV
AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 7
LTE Cat. 12
5G support
No
No
Download speed
Up to 300 Mbps
Up to 600 Mbps
Upload speed
Up to 150 Mbps
Up to 150 Mbps
Wi-Fi
4
5
Bluetooth
4.2
4.1
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo
Info
📊 Benchmark
AnTuTu 10
156,960
-
FP32 (float)
70
334
Geekbench 6
-
391
Geekbench 6
-
797