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