Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 855 Plus
SOC Specs Compare
CPU
Architecture
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
1x 2.96 GHz – Cortex-A76 (Kryo 485 Gold)3x 2.42 GHz – Cortex-A76 (Kryo 485 Gold)4x 1.8 GHz – Cortex-A55 (Kryo 485 Silver)
Frequency
2342 MHz
2960 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
6.7
TDP
11 W
6 W
Manufacturing
Samsung
TSMC
L3 cache
-
0
Graphics
GPU name
Adreno 530
Adreno 640
GPU frequency
653 MHz
675 MHz
Execution units
1
2
Shading units
256
384
Vulkan version
1.0
1.1
OpenCL version
2.0
2.0
DirectX version
11
12.1
Memory
Memory Type
LPDDR4
LPDDR4X
Memory frequency
1866 MHz
2133 MHz
Bus
4x 16 Bit
4x 16 Bit
Max bandwidth
29.8 Gbit/s
34.13 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 680
Hexagon 690
Storage type
eMMC 5.1, UFS 2.0
UFS 3.0
Max display resolution
3840 x 2160
3840 x 2160
Max camera resolution
1x 28MP, 2x 13MP
1x 192MP, 2x 22MP
Video capture
4K at 30FPS
4K at 120FPS
Video playback
4K at 30FPS
8K at 30FPS, 4K at 120FPS
Video codecs
H.264, H.265, VP8, VP9
H.264, H.265, VP8, VP9
Audio codecs
AIFF, CAF, MP3, MP4, WAV
AAC, AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 12
LTE Cat. 20
5G support
No
Yes
Download speed
Up to 600 Mbps
Up to 5000 Mbps
Upload speed
Up to 150 Mbps
Up to 1240 Mbps
Wi-Fi
5
6
Bluetooth
4.1
5.0
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
Info
📊 Benchmark
Geekbench 6
391
1,040
Geekbench 6
797
2,865
FP32 (float)
334
1,036