Home Mobile and Tablet SoC Comparison Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 821

Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 821

Qualcomm Snapdragon 660
VS
Qualcomm Snapdragon 821
Qualcomm Snapdragon 660
Qualcomm Snapdragon 821
We compared two versions of phone SoCs: 8 cores 2200MHz Qualcomm Snapdragon 660 vs. 4 cores 2342MHz Qualcomm Snapdragon 821 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 660 Advantages
Lower TDP (5W vs 11W)
Released 9 months late
Qualcomm Snapdragon 821 Advantages
Better graphics card performance FLOPS (0.3343 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 13.9GB/s)
Higher Frequency (2342MHz vs 2200MHz)

Score

Benchmark

AnTuTu 10
Qualcomm Snapdragon 660
225927
Qualcomm Snapdragon 821 +3%
233076
Geekbench 6 Single Core
Qualcomm Snapdragon 660
345
Qualcomm Snapdragon 821 +13%
391
Geekbench 6 Multi Core
Qualcomm Snapdragon 660 +55%
1242
Qualcomm Snapdragon 821
797
FP32 (float)
Qualcomm Snapdragon 660
217
Qualcomm Snapdragon 821 +53%
334
Qualcomm Snapdragon 660
VS
Qualcomm Snapdragon 821

CPU

4x 2.2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.84 GHz – Kryo 260 Silver (Cortex-A53)
Architecture
2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo
2200 MHz
Frequency
2342 MHz
8
Cores
4
ARMv8-A
Instruction set
ARMv8-A
2 MB
L2 cache
1 MB
14 nm
Process
14 nm
1.75
Transistor count
2
5 W
TDP
11 W
Samsung
Manufacturing
Samsung

Graphics

Adreno 512
GPU name
Adreno 530
850 MHz
GPU frequency
653 MHz
1
Execution units
1
128
Shading units
256
8
Max size
8
0.2176 TFLOPS
FLOPS
0.3343 TFLOPS
1.0
Vulkan version
1.0
2.0
OpenCL version
2.0
11
DirectX version
11

Memory

LPDDR4X
Memory type
LPDDR4
1866 MHz
Memory frequency
1866 MHz
2x 16 Bit
Bus
4x 16 Bit
13.9 Gbit/s
Max bandwidth
29.8 Gbit/s

Multimedia (ISP)

Hexagon 680
Neural processor (NPU)
Hexagon 680
eMMC 5.1, UFS 2.1
Storage type
eMMC 5.1, UFS 2.0
2560 x 1600
Max display resolution
3840 x 2160
1x 48MP, 2x 16MP
Max camera resolution
1x 28MP, 2x 13MP
4K at 30FPS
Video capture
4K at 30FPS
4K at 30FPS
Video playback
4K at 30FPS
H.264, H.265, VP8, VP9
Video codecs
H.264, H.265, VP8, VP9
AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC
Audio codecs
AIFF, CAF, MP3, MP4, WAV
X12
Modem
X12

Connectivity

LTE Cat. 13
4G support
LTE Cat. 12
No
5G support
No
Up to 600 Mbps
Download speed
Up to 600 Mbps
Up to 150 Mbps
Upload speed
Up to 150 Mbps
5
Wi-Fi
5
5.0
Bluetooth
4.1
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS, NAVIC
Navigation
GPS, GLONASS, Beidou, Galileo

Info

May 2017
Announced
Aug 2016
Mid range
Class
Flagship
SM6115
Model number
MSM8996 Pro-AC
Qualcomm Snapdragon 660
Official page
Qualcomm Snapdragon 821

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