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Qualcomm Snapdragon 821 VS Qualcomm Snapdragon 636 Comparison

Comparison of Qualcomm Snapdragon 636 and Qualcomm Snapdragon 636. See Qualcomm Snapdragon 821 VS Qualcomm Snapdragon 636 Compare Processor specs, benchmark scores, and performance. See what mobile processor is better.

This page tells you key differences in specs of Qualcomm Snapdragon 821 and Qualcomm Snapdragon 636. If you care for performance, you can check this comparison. We have also compared the benchmark scores to tell you performance differences in Qualcomm Snapdragon 821 and Qualcomm Snapdragon 636.

This page was last updated on 10, June 2026

CPU Performance
Snapdragon 821
80% Complete (danger)
26
Snapdragon 636
80% Complete (danger)
22
Gaming Performance
Snapdragon 821
80% Complete (danger)
21
Snapdragon 636
80% Complete (danger)
11
Battery Performance
Snapdragon 821
80% Complete (danger)
26
Snapdragon 636
80% Complete (danger)
22
Product Name Snapdragon 821 Snapdragon 636
Released On August 2016 October 2017
Brand Qualcomm Qualcomm
Model Number MSM8996 Pro SDM636
snapdragon snapdragon
Benchmarks
Antutu
CPU 67962
GPU 61224
Memory 43896
UX 59644
Total score 231620
CPU 57490
GPU 24466
Memory 35451
UX 54658
Total score 171435
Geekbench
Single-Core Score 337
Multi-Core Score 747
Image compression 51.2 Mpixels/s
Face detection 7.96 images/s
Speech recognition 15.4 words/s
Machine learning 14 images/s
Camera shooting 10.7 images/s
HTML 5 0.71 Mnodes/s
SQLite 239.7 Krows/s
Single-Core Score 272
Multi-Core Score 1117
Image compression 75.3 Mpixels/s
Face detection 10.7 images/s
Speech recognition 20.45 words/s
Machine learning 15.45 images/s
Camera shooting 9.79 images/s
HTML 5 1.51 Mnodes/s
SQLite 410.2 Krows/s
3D Mark
Graphics test 5 FPS
Score 886
Graphics test 1 FPS
Score 258
Processor
Architecture 2x 2.342 GHz - Kryo, 2x 1.6 GHz - Kryo 4x 1.8 GHz - Kryo 260 Gold (Cortex-A73), 4x 1.6 GHz - Kryo 260 Silver (Cortex-A53)
Cores 4 8
Frequency 2342 MHz 1800 MHz
Instruction Set ARMv8-A ARMv8-A
Transistor Count 2 billion 2 billion
L1 Cache 64 KB
L2 Cache 3 MB
L3 Cache
Manufacturing Process 14 nanometers 14 nanometers
TDP 11 W 9 W
Graphics
GPU Name Adreno 530 Adreno 509
Graphis Architecture Adreno 500 Adreno 500
GPU Frequency 653 MHz 720 MHz
Execution Units 2 1
Shading Units 256 128
Shading Units 256 128
FLOPS 519 Gigaflops 184 Gigaflops
Vulkan Version 1.0 1.0
Opencl Version 2.0 2.0
DirectX Version 11.2 12.1
Memory
Memory Type LPDDR4 LPDDR4
Memory Bus 4x 16 Bit 2x 16 Bit
Memory Frequency 1866 MHz 1333 MHz
Max bandwidth 29.8 Gbit/s 5.3 Gbit/s
Max Size 6 GB 8 GB
Storage Type eMMC 5.1, UFS 2.0 eMMC 5.1, UFS 2.1
Multimedia
Neural Processor Hexagon 680 Hexagon 680
Max Display Resolution 3840 x 2160 2340 x 1080
Max Camera Resolution 1x 28MP, 2x 13MP 1x 24MP, 2x 16MP
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, VP8, VP9
Audio Codecs AIFF, CAF, MP3, MP4, WAV AIFF, CAF, MP3, MP4, WAV
Connectivity
Modem X12 X12
4G LTE Cat. 12 LTE Cat. 12
5G 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 5.0
Navigation GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS, SBAS

Qualcomm Snapdragon 821 VS Qualcomm Snapdragon 636 Comparison

You can see the comparison of both mobile platforms Qualcomm Snapdragon 821 and Qualcomm Snapdragon 636 side by side. Now you are free to judge and decide what mobile platform is better and offers better performance.