Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 820
SOC Specs Compare
CPU
Architecture
1x 2.84 GHz – Cortex-A76 (Kryo 485 Gold)3x 2.42 GHz – Cortex-A76 (Kryo 485 Gold)4x 1.8 GHz – Cortex-A55 (Kryo 485 Silver)
2x 2.15 GHz – Kryo2x 1.593 GHz – Kryo
Frequency
2840 MHz
2150 MHz
Cores
8
4
Instruction set
ARMv8.2-A
ARMv8-A
L1 cache
512 KB
64 KB
L2 cache
0
0
L3 cache
0
-
Process
7 nm
14 nm
Transistor count
6.7
2
TDP
6 W
11 W
Manufacturing
TSMC
TSMC
Graphics
GPU name
Adreno 640
Adreno 530
GPU frequency
585 MHz
624 MHz
Execution units
2
1
Shading units
384
256
Vulkan version
1.1
1.0
OpenCL version
2.0
2.0
DirectX version
12.1
11
Memory
Memory Type
LPDDR4X
LPDDR4
Memory frequency
2133 MHz
1866 MHz
Bus
4x 16 Bit
2x 32 Bit
Max bandwidth
34.13 Gbit/s
29.8 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 690
Hexagon 680
Storage type
UFS 3.0
eMMC 5.1, UFS 2.0
Max display resolution
3840 x 2160
3840 x 2160
Max camera resolution
1x 192MP, 2x 22MP
1x 28MP, 2x 13MP
Video capture
4K at 120FPS
4K at 30FPS
Video playback
8K at 30FPS, 4K at 120FPS
4K at 30FPS
Video codecs
H.264, H.265, VP8, VP9
H.264, H.265
Audio codecs
AAC, AIFF, CAF, MP3, MP4, WAV
AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 20
LTE Cat. 12
5G support
Yes
No
Download speed
Up to 5000 Mbps
Up to 600 Mbps
Upload speed
Up to 1240 Mbps
Up to 150 Mbps
Wi-Fi
6
5
Bluetooth
5.0
4.1
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
Info
📊 Benchmark
AnTuTu 10
592,031
260,148
Geekbench 6
939
323
Geekbench 6
2,855
827
FP32 (float)
898
319