Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 670

VS

Qualcomm Snapdragon 821 Qualcomm Snapdragon 670

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2000MHz Qualcomm Snapdragon 670 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 821 Advantages

Larger memory bandwidth (29.8GB/s vs 14.9GB/s)

Higher Frequency (2342MHz vs 2000MHz)

Qualcomm Snapdragon 670 Advantages

Better graphics card performance FLOPS (0.3584 TFLOPS vs 0.3343 TFLOPS )

More modern manufacturing process (10nm vs 14nm)

Lower TDP (9W vs 11W)

Released 2 years late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 670 +7%

250565

Geekbench 6 Single Core

Qualcomm Snapdragon 821 +1%

391

Qualcomm Snapdragon 670

384

Geekbench 6 Multi Core

Qualcomm Snapdragon 821

797

Qualcomm Snapdragon 670 +56%

1250

FP32 (float)

Qualcomm Snapdragon 821

334

Qualcomm Snapdragon 670 +7%

358

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 670

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

2x 2 GHz – Kryo 360 Gold (Cortex-A75)
6x 1.7 GHz – Kryo 360 Silver (Cortex-A55)

2342 MHz

Frequency

2000 MHz

4

Cores

8

1 MB

L2 cache

-

14 nm

Process

10 nm

2

Transistor count

-

11 W

TDP

9 W

Samsung

Manufacturing

Samsung

Graphics

Adreno 530

GPU name

Adreno 615

653 MHz

GPU frequency

700 MHz

1

Execution units

2

256

Shading units

128

8

Max size

8

0.3343 TFLOPS

FLOPS

0.3584 TFLOPS

1.0

Vulkan version

1.1

2.0

OpenCL version

2.0

11

DirectX version

12.1

Memory

LPDDR4

Memory type

LPDDR4X

1866 MHz

Memory frequency

1866 MHz

4x 16 Bit

Bus

2x 16 Bit

29.8 Gbit/s

Max bandwidth

14.9 Gbit/s

AI

Hexagon 680

NPU

Hexagon 685

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Hexagon 685

eMMC 5.1, UFS 2.0

Storage type

eMMC 5.1, UFS 2.1

3840 x 2160

Max display resolution

2560 x 1600

1x 28MP, 2x 13MP

Max camera resolution

1x 192MP, 2x 16MP

4K at 30FPS

Video capture

4K at 30FPS

Video playback

4K at 30FPS

H.264, H.265, VP8, VP9

Video codecs

H.264, H.265, VP8, VP9

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AAC, AIFF, CAF, MP3, MP4, WAV

X12

Modem

X12 LTE

Connectivity

LTE Cat. 12

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

4.1

Bluetooth

5.0

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, SBAS

Info

Aug 2016

Announced

Aug 2018

Flagship

Class

Mid range

MSM8996 Pro-AC

Model number

SDM670

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 670

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