Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 820
SOC Specs Compare
CPU
Architecture
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
2x 2.15 GHz – Kryo2x 1.593 GHz – Kryo
Frequency
2342 MHz
2150 MHz
Cores
4
4
Instruction set
ARMv8-A
ARMv8-A
L1 cache
64 KB
64 KB
L2 cache
0
0
Process
14 nm
14 nm
Transistor count
2
2
TDP
11 W
11 W
Manufacturing
Samsung
TSMC
Graphics
GPU name
Adreno 530
Adreno 530
GPU frequency
653 MHz
624 MHz
Execution units
1
1
Shading units
256
256
Vulkan version
1.0
1.0
OpenCL version
2.0
2.0
DirectX version
11
11
Memory
Memory Type
LPDDR4
LPDDR4
Memory frequency
1866 MHz
1866 MHz
Bus
4x 16 Bit
2x 32 Bit
Max bandwidth
29.8 Gbit/s
29.8 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 680
Hexagon 680
Storage type
eMMC 5.1, UFS 2.0
eMMC 5.1, UFS 2.0
Max display resolution
3840 x 2160
3840 x 2160
Max camera resolution
1x 28MP, 2x 13MP
1x 28MP, 2x 13MP
Video capture
4K at 30FPS
4K at 30FPS
Video playback
4K at 30FPS
4K at 30FPS
Video codecs
H.264, H.265, VP8, VP9
H.264, H.265
Audio codecs
AIFF, CAF, MP3, MP4, WAV
AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 12
LTE Cat. 12
5G support
No
No
Download speed
Up to 600 Mbps
Up to 600 Mbps
Upload speed
Up to 150 Mbps
Up to 150 Mbps
Wi-Fi
5
5
Bluetooth
4.1
4.1
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
Info
📊 Benchmark
Geekbench 6
391
323
Geekbench 6
797
827
FP32 (float)
334
319
AnTuTu 10
-
260,148