Qualcomm Snapdragon 636 vs Qualcomm Snapdragon 821
SOC Specs Compare
CPU
Architecture
4x 1.8 GHz – Kryo 260 Gold (Cortex-A73)4x 1.6 GHz – Kryo 260 Silver (Cortex-A53)
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
Frequency
1800 MHz
2342 MHz
Cores
8
4
Instruction set
ARMv8-A
ARMv8-A
Process
14 nm
14 nm
Transistor count
2
2
TDP
5 W
11 W
Manufacturing
Samsung
Samsung
L1 cache
-
64 KB
L2 cache
-
0
Graphics
GPU name
Adreno 509
Adreno 530
GPU frequency
720 MHz
653 MHz
Execution units
1
1
Shading units
128
256
Vulkan version
1.0
1.0
OpenCL version
2.0
2.0
DirectX version
11
11
Memory
Memory Type
LPDDR4
LPDDR4
Memory frequency
1333 MHz
1866 MHz
Bus
2x 16 Bit
4x 16 Bit
Max bandwidth
5.3 Gbit/s
29.8 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 680
Hexagon 680
Storage type
eMMC 5.1, UFS 2.1
eMMC 5.1, UFS 2.0
Max display resolution
1900 x 1200
3840 x 2160
Max camera resolution
1x 24MP, 2x 16MP
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, VP8, VP9
Audio codecs
AIFF, CAF, MP3, MP4, WAV
AIFF, CAF, MP3, MP4, WAV
Connectivity
4G support
LTE Cat. 13
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
5.0
4.1
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
GPS, GLONASS, Beidou, Galileo
Info
📊 Benchmark
AnTuTu 10
220,696
-
Geekbench 6
295
391
Geekbench 6
1,088
797
FP32 (float)
184
334