Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 7 Plus Gen 3

VS

Qualcomm Snapdragon 821

Qualcomm Snapdragon 7 Plus Gen 3

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2800MHz Qualcomm Snapdragon 7 Plus Gen 3 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 7 Plus Gen 3 Advantages

Better graphics card performance FLOPS (2.9184 TFLOPS vs 0.3343 TFLOPS )

Larger memory bandwidth (64GB/s vs 29.8GB/s)

Higher Frequency (2800MHz vs 2342MHz)

More modern manufacturing process (4nm vs 14nm)

Lower TDP (8W vs 11W)

Released 7 years and 7 months late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 7 Plus Gen 3 +486%

1366982

FP32 (float)

Qualcomm Snapdragon 821

334

Qualcomm Snapdragon 7 Plus Gen 3 +773%

2918

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 7 Plus Gen 3

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

1x 2.8 GHz – Cortex-X4
4x 2.6 GHz – Cortex-A720
3x 1.9 GHz – Cortex-A520

2342 MHz

Frequency

2800 MHz

4

Cores

8

ARMv8-A

Instruction set

ARMv9.2-A

1 MB

L2 cache

6 MB

-

L3 cache

12 MB

14 nm

Process

4 nm

2

Transistor count

-

11 W

TDP

8 W

Samsung

Manufacturing

TSMC

Graphics

Adreno 530

GPU name

Adreno 732

653 MHz

GPU frequency

950 MHz

1

Execution units

2

256

Shading units

768

8

Max size

24

0.3343 TFLOPS

FLOPS

2.9184 TFLOPS

1.0

Vulkan version

1.3

2.0

OpenCL version

2.0

11

DirectX version

12.1

Memory

LPDDR4

Memory type

LPDDR5X

1866 MHz

Memory frequency

4200 MHz

4x 16 Bit

Bus

4x 16 Bit

29.8 Gbit/s

Max bandwidth

64 Gbit/s

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Yes

eMMC 5.1, UFS 2.0

Storage type

UFS 4.0

3840 x 2160

Max display resolution

3840 x 2160

1x 28MP, 2x 13MP

Max camera resolution

1x 200MP

4K at 30FPS

Video capture

4K at 60FPS

4K at 30FPS

Video playback

4K at 60FPS

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

Snapdragon X63 5G

Connectivity

LTE Cat. 12

4G support

LTE Cat. 18

No

5G support

Yes

Up to 600 Mbps

Download speed

Up to 5000 Mbps

Up to 150 Mbps

Upload speed

Up to 3500 Mbps

5

Wi-Fi

7

4.1

Bluetooth

5.4

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Aug 2016

Announced

Mar 2024

Flagship

Class

Mid range

MSM8996 Pro-AC

Model number

SM7675

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 7 Plus Gen 3

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