Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 6 Gen 3

VS

Qualcomm Snapdragon 821

Qualcomm Snapdragon 6 Gen 3

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2400MHz Qualcomm Snapdragon 6 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 6 Gen 3 Advantages

Better graphics card performance FLOPS (0.4813 TFLOPS vs 0.3343 TFLOPS )

Higher Frequency (2400MHz vs 2342MHz)

More modern manufacturing process (4nm vs 14nm)

Released 8 years and 1 months late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 6 Gen 3 +144%

570038

FP32 (float)

Qualcomm Snapdragon 821

334

Qualcomm Snapdragon 6 Gen 3 +44%

481

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 6 Gen 3

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

4x 2.4 GHz – Cortex-A78
4x 1.8 GHz – Cortex-A55

2342 MHz

Frequency

2400 MHz

4

Cores

8

ARMv8-A

Instruction set

ARMv8.2-A

1 MB

L2 cache

-

14 nm

Process

4 nm

2

Transistor count

-

11 W

TDP

-

Samsung

Manufacturing

Samsung

Graphics

Adreno 530

GPU name

Adreno 710

653 MHz

GPU frequency

940 MHz

1

Execution units

-

256

Shading units

-

8

Max size

12

0.3343 TFLOPS

FLOPS

0.4813 TFLOPS

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)

Hexagon

eMMC 5.1, UFS 2.0

Storage type

UFS 2.2

3840 x 2160

Max display resolution

2520 x 1080

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, VP9

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AAC, AIFF, CAF, MP3, MP4, WAV

X12

Modem

Snapdragon X62

Connectivity

LTE Cat. 12

4G support

LTE Cat. 18

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

5.2

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Aug 2016

Announced

Sep 2024

Flagship

Class

Mid range

MSM8996 Pro-AC

Model number

SM6475-AB

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 6 Gen 3

Related SoC Comparison

1

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 8 Elite

2

Qualcomm Snapdragon 821 vs Samsung Exynos 2200

3

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 778G Plus

4

Qualcomm Snapdragon 821 vs MediaTek Dimensity 1080

5

Qualcomm Snapdragon 821 vs MediaTek Helio P23

6

Qualcomm Snapdragon 821 vs HiSilicon Kirin 710

7

Qualcomm Snapdragon 821 vs MediaTek Helio G25

8

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 845

9

Qualcomm Snapdragon 821 vs HiSilicon Kirin 9010

10

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 675