Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 821

General
Performance (CPU)
Graphics (GPU)
Memory
Connectivity
Multimedia
AI
Benchmark
Gaming Performance

Qualcomm Snapdragon 660

Qualcomm Snapdragon 821

Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 821 - which chip or processor is better? should you buy mobile phones having Qualcomm Snapdragon 660 or should go for the Qualcomm Snapdragon 821? Here you will find detailed information about technical specs and benchmarks tests for each chipset.

General

Brand	Qualcomm	Qualcomm
Platform	Smartphones	Smartphones
Release Date	May 2017	Aug 2016

Performance (CPU)

Cores	8	4
Architecture	64 bit	64 bit
Frequency (Clock Speed)	2200 MHz	2342 MHz
Instruction Set	ARMv8-A	ARMv8-A
L1 Cache	N/A	64 KB
L2 Cache	2 MB	3 MB

Graphics (GPU)

GPU Name	Adreno 512	Adreno 530
Frequency (Clock Speed)	850 MHz	653 MHz
Execution Units	1	2
Shading Units	128	256
Vulkan Version	1.0	1.0
OpenCL Version	2.0	2.0
DirectX Version	12	11.2

Memory

Frequency	1866 MHz	1866 MHz
Bus	2x32 Bit	4x16 Bit
Max Memory Capacity	8 GB	6 GB

Connectivity

Modem	Snapdragon X12 LTE	Snapdragon X12 LTE
5G Support	No	No
4G Support	Yes	Yes
Download Speed	600 Mbps	N/A
Upload Speed	150 Mbps	N/A
Wi-Fi Version	5	5
Bluetooth Version	5.0	4.1
GPS	Yes	N/A

Multimedia

Neural Processor (NPU)	Hexagon 680	Hexagon 680
Storage	UFS 2.1	eMMC 5.1,UFS 2.0
Max Screen Resolution	1600 x 2560	3840 x 2160
Max Camera Resolution	48	28
Video Record	4K @ 30FPS	4K @ 30FPS
Video Playback	4K @ 30FPS	4K @ 60FPS
Video Codec Support	H.264, H.265, VP8, VP9	H.264, H.265, VP8, VP9
Audio Codec Support	AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC	N/A