Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 665

VS

Qualcomm Snapdragon 821 Qualcomm Snapdragon 665

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2000MHz Qualcomm Snapdragon 665 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 821 Advantages

Better graphics card performance FLOPS (0.3343 TFLOPS vs 0.2432 TFLOPS )

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

Higher Frequency (2342MHz vs 2000MHz)

Qualcomm Snapdragon 665 Advantages

More modern manufacturing process (11nm vs 14nm)

Lower TDP (5W vs 11W)

Released 2 years and 8 months late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 665 +1%

235607

Geekbench 6 Single Core

Qualcomm Snapdragon 821 +16%

391

Qualcomm Snapdragon 665

337

Geekbench 6 Multi Core

Qualcomm Snapdragon 821

797

Qualcomm Snapdragon 665 +46%

1167

FP32 (float)

Qualcomm Snapdragon 821 +37%

334

Qualcomm Snapdragon 665

243

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 665

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

4x 2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.8 GHz – Kryo 260 Silver (Cortex-A53)

2342 MHz

Frequency

2000 MHz

4

Cores

8

1 MB

L2 cache

1 MB

14 nm

Process

11 nm

2

Transistor count

1.75

11 W

TDP

5 W

Samsung

Manufacturing

Samsung

Graphics

Adreno 530

GPU name

Adreno 610

653 MHz

GPU frequency

950 MHz

1

Execution units

1

256

Shading units

128

8

Max size

8

0.3343 TFLOPS

FLOPS

0.2432 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 686

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Hexagon 686

eMMC 5.1, UFS 2.0

Storage type

eMMC 5.1, UFS 2.1

3840 x 2160

Max display resolution

2520 x 1080

1x 28MP, 2x 13MP

Max camera resolution

1x 48MP, 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

AIFF, CAF, MP3, MP4, WAV

X12

Modem

X12

Connectivity

LTE Cat. 12

4G support

LTE Cat. 13

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

Apr 2019

Flagship

Class

Mid range

MSM8996 Pro-AC

Model number

SM6125

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 665

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