Mobile Phones Compare Mobile Processors › Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 820
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Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 820

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Qualcomm Snapdragon 821
Qualcomm Snapdragon 821
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Qualcomm Snapdragon 820
Qualcomm Snapdragon 820
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Overview Summary of the performance analysis

(Values indicate percentile scores for the processors in each group)
CPU Performance
69
41
GPU Performance
22
90
Memory
51
2
Multimedia
87
81
Connectivity
81
45
Compare between Qualcomm Snapdragon 821 and Qualcomm Snapdragon 820 to find out which processor has better technical specifications and performance. Check out the detailed comparison results and benchmark scores below to decide which devices are best for you - mobiles with Qualcomm Snapdragon 821 or with Qualcomm Snapdragon 820 processor.

Specifications

General Hide
Brand Qualcomm Qualcomm
Device types Smartphones Smartphones
Launch date Aug 2016 Nov 2015
Chipset Qualcomm Snapdragon 821 Qualcomm Snapdragon 820
Central Processor (CPU) Hide
Architecture 64 bit 64 bit
No. of Cores 4 4
CPU Frequency (Clock Speed) 2342 MHz 2150 MHz
Instruction Set ARMv8-A ARMv8-A
Cache (L1) 64 KB NA
Cache (L2) 3 MB NA
Graphics (GPU) Hide
Brand Adreno 530 Adreno 530
GPU Frequency (Clock Speed) 653 MHz 1866 MHz
Execution Units 2 2
Shading Units 256 256
Vulkan Version 1.0 1.1
OpenCL Version 2.0 2.0
Directs Version 11.2 12
API Support DirectX 11.2 DirectX 12
Performance FP32 (float) 519 GFLOPS 498 GFLOPS
Memory Hide
Frequency 1866 MHz 624 MHz
Bus 4x16 Bit 4x16 Bit
Bandwidth (max.) 29.8 GB/s 29.8 GB/s
Capacity (max.) 6 GB 8 GB
Connectivity Hide
Modem Name Snapdragon X12 LTE Snapdragon X12 LTE
4G band support Yes Yes
5G band support No No
WiFi 5 5
Wi-Fi - LTE Concurrency support Yes Yes
Bluetooth 4.1 4.1
USB support Yes Yes
Download Speed NA 600 Mbps
Upload Speed NA 150 Mbps
GPS NA Yes
AI Support Hide
GPU Adreno 530 Adreno 530
Camera Support Hide
Single Camera Resolution 28 MP NA
Multimedia Hide
Neural Processor (NPU) Hexagon 680 Hexagon 680
Screen Resolution (max.) 3840 x 2160 3840 x 2160
Storage eMMC 5.1,UFS 2.0 eMMC 5.1,UFS 2.1
Camera Resolution (max.) 28 28
Video Capture 4K @ 30FPS 4K @ 30FPS
Video Playback 4K @ 60FPS 4K @ 60FPS
Video Codecs support H.264, H.265, VP8, VP9 H.264, H.265
Audio Codecs support NA AIFF, CAF, MP3, MP4, WAV

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