Qualcomm Snapdragon 821 vs HiSilicon Kirin 990 4G
SOC Specs Compare
CPU
Architecture
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
2x 2.86 GHz – Cortex-A762x 2.09 GHz – Cortex-A764x 1.86 GHz – Cortex-A55
Frequency
2342 MHz
2860 MHz
Cores
4
8
Instruction set
ARMv8-A
ARMv8.2-A
L1 cache
64 KB
512 KB
L2 cache
0
0
Process
14 nm
7 nm
Transistor count
2
8
TDP
11 W
6 W
Manufacturing
Samsung
TSMC
Graphics
GPU name
Adreno 530
Mali-G76 MP16
GPU frequency
653 MHz
600 MHz
Execution units
1
16
Shading units
256
36
Vulkan version
1.0
1.3
OpenCL version
2.0
2.0
DirectX version
11
12
Memory
Memory Type
LPDDR4
LPDDR4X
Memory frequency
1866 MHz
2133 MHz
Bus
4x 16 Bit
4x 16 Bit
Max bandwidth
29.8 Gbit/s
34.1 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 680
Da Vinci
Storage type
eMMC 5.1, UFS 2.0
UFS 2.1, UFS 3.0
Max display resolution
3840 x 2160
3360 x 1440
Max camera resolution
1x 28MP, 2x 13MP
-
Video capture
4K at 30FPS
4K at 60FPS
Video playback
4K at 30FPS
4K at 60FPS
Video codecs
H.264, H.265, VP8, VP9
H.264, H.265, VC-1
Audio codecs
AIFF, CAF, MP3, MP4, WAV
AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 12
LTE Cat. 19
5G support
No
No
Download speed
Up to 600 Mbps
Up to 1400 Mbps
Upload speed
Up to 150 Mbps
Up to 200 Mbps
Wi-Fi
5
6
Bluetooth
4.1
5.0
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo
Info
📊 Benchmark
Geekbench 6
391
990
Geekbench 6
797
3,179
FP32 (float)
334
691
AnTuTu 10
-
695,853