Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 7s Gen 3

VS

Qualcomm Snapdragon 821

Qualcomm Snapdragon 7s Gen 3

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2500MHz Qualcomm Snapdragon 7s Gen 3 . 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 25.6GB/s)

Qualcomm Snapdragon 7s Gen 3 Advantages

Higher Frequency (2500MHz vs 2342MHz)

More modern manufacturing process (4nm vs 14nm)

Released 8 years late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 7s Gen 3 +254%

825820

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 7s Gen 3

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

1x 2.5 GHz – Kryo Prime
3x 2.4 GHz – Kryo Gold
4x 1.8 GHz – Kryo Silver

2342 MHz

Frequency

2500 MHz

4

Cores

8

ARMv8-A

Instruction set

ARMv8.6-A

1 MB

L2 cache

-

14 nm

Process

4 nm

2

Transistor count

-

11 W

TDP

-

Samsung

Manufacturing

TSMC

Graphics

Adreno 530

GPU name

-

653 MHz

GPU frequency

-

1

Execution units

-

256

Shading units

-

8

Max size

16

0.3343 TFLOPS

FLOPS

-

1.0

Vulkan version

-

2.0

OpenCL version

-

11

DirectX version

-

Memory

LPDDR4

Memory type

LPDDR5

1866 MHz

Memory frequency

3200 MHz

4x 16 Bit

Bus

2x 16 Bit

29.8 Gbit/s

Max bandwidth

25.6 Gbit/s

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Yes

eMMC 5.1, UFS 2.0

Storage type

UFS 2.2, UFS 3.1

3840 x 2160

Max display resolution

3360 x 1600

1x 28MP, 2x 13MP

Max camera resolution

1x 200MP

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

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AAC, AIFF, CAF, MP3, MP4, WAV

X12

Modem

-

Connectivity

LTE Cat. 12

4G support

-

No

5G support

Yes

Up to 600 Mbps

Download speed

Up to 2900 Mbps

Up to 150 Mbps

Upload speed

Up to 1600 Mbps

5

Wi-Fi

6

4.1

Bluetooth

5.4

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Aug 2016

Announced

Aug 2024

Flagship

Class

Mid range

MSM8996 Pro-AC

Model number

SM7635

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 7s Gen 3

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