Qualcomm Snapdragon 685 vs Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 685

Qualcomm Snapdragon 821

We compared two versions of phone SoCs: 8 cores 2800MHz Qualcomm Snapdragon 685 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 685 's Advantages

Higher Frequency (2800MHz vs 2342MHz)

More modern manufacturing process (6nm vs 14nm)

Released 6 years and 7 months late

Qualcomm Snapdragon 821 's Advantages

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

Larger memory bandwidth (29.8GB/s vs 17GB/s)

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 685 +52%

354293

Qualcomm Snapdragon 821

233076

Geekbench 6 Single Core

Qualcomm Snapdragon 685 +21%

475

Qualcomm Snapdragon 821

391

Geekbench 6 Multi Core

Qualcomm Snapdragon 685 +90%

1517

Qualcomm Snapdragon 821

797

FP32 (float)

Qualcomm Snapdragon 685

243

Qualcomm Snapdragon 821 +37%

334

Qualcomm Snapdragon 685

VS

Qualcomm Snapdragon 821

CPU

4x 2.8 GHz – Cortex-A73 4x 1.9 GHz – Cortex-A53

Architecture

2x 2.342 GHz – Kryo 2x 1.6 GHz – Kryo

2800 MHz

Frequency

2342 MHz

8

Cores

4

ARMv8.2-A

Instruction set

ARMv8-A

-

L2 cache

1 MB

6 nm

Process

14 nm

-

Transistor count

2

-

TDP

11 W

TSMC

Manufacturing

Samsung

Graphics

Adreno 610

GPU name

Adreno 530

950 MHz

GPU frequency

653 MHz

1

Execution units

1

128

Shading units

256

8

Max size

8

0.2432 TFLOPS

FLOPS

0.3343 TFLOPS

1.1

Vulkan version

1.0

2.0

OpenCL version

2.0

12.1

DirectX version

11

Memory

LPDDR4X

Memory type

LPDDR4

2133 MHz

Memory frequency

1866 MHz

2x 16 Bit

Bus

4x 16 Bit

17 Gbit/s

Max bandwidth

29.8 Gbit/s

Multimedia (ISP)

Hexagon 686

Neural processor (NPU)

Hexagon 680

UFS 2.2

Storage type

eMMC 5.1, UFS 2.0

2520 x 1080

Max display resolution

3840 x 2160

1x 108MP, 2x 16MP

Max camera resolution

1x 28MP, 2x 13MP

1K at 60FPS

Video capture

4K at 30FPS

1080p at 60FPS

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

X11

Modem

X12

Connectivity

LTE Cat. 13

4G support

LTE Cat. 12

No

5G support

No

Up to 390 Mbps

Download speed

Up to 600 Mbps

Up to 150 Mbps

Upload speed

Up to 150 Mbps

5

Wi-Fi

5

5.2

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Mar 2023

Announced

Aug 2016

Low end

Class

Flagship

SM6225-AD

Model number

MSM8996 Pro-AC

Qualcomm Snapdragon 685

Official page

Qualcomm Snapdragon 821

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