Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 865

VS

Qualcomm Snapdragon 821

Qualcomm Snapdragon 865

We compared two versions of phone SoCs: 4 cores 2342MHz Qualcomm Snapdragon 821 vs. 8 cores 2840MHz Qualcomm Snapdragon 865 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 865 Advantages

Better graphics card performance FLOPS (1.2021 TFLOPS vs 0.3343 TFLOPS )

Larger memory bandwidth (44GB/s vs 29.8GB/s)

Higher Frequency (2840MHz vs 2342MHz)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (5W vs 11W)

Released 3 years and 4 months late

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 821

233076

Qualcomm Snapdragon 865 +217%

738889

Geekbench 6 Single Core

Qualcomm Snapdragon 821

391

Qualcomm Snapdragon 865 +188%

1128

Geekbench 6 Multi Core

Qualcomm Snapdragon 821

797

Qualcomm Snapdragon 865 +311%

3277

FP32 (float)

Qualcomm Snapdragon 821

334

Qualcomm Snapdragon 865 +259%

1202

Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 865

CPU

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

Architecture

1x 2.84 GHz – Kryo 585 Prime (Cortex-A77)
3x 2.42 GHz – Kryo 585 Gold (Cortex-A77)
4x 1.8 GHz – Kryo 585 Silver (Cortex-A55)

2342 MHz

Frequency

2840 MHz

4

Cores

8

ARMv8-A

Instruction set

ARMv8.2-A

1 MB

L2 cache

1 MB

-

L3 cache

0

14 nm

Process

7 nm

2

Transistor count

10.3

11 W

TDP

5 W

Samsung

Manufacturing

TSMC

Graphics

Adreno 530

GPU name

Adreno 650

653 MHz

GPU frequency

587 MHz

1

Execution units

2

256

Shading units

512

8

Max size

16

0.3343 TFLOPS

FLOPS

1.2021 TFLOPS

1.0

Vulkan version

1.1

2.0

OpenCL version

2.0

11

DirectX version

12.1

Memory

LPDDR4

Memory type

LPDDR5

1866 MHz

Memory frequency

2750 MHz

4x 16 Bit

Bus

4x 16 Bit

29.8 Gbit/s

Max bandwidth

44 Gbit/s

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Hexagon 698

eMMC 5.1, UFS 2.0

Storage type

UFS 3.0, UFS 3.1

3840 x 2160

Max display resolution

3840 x 2160

1x 28MP, 2x 13MP

Max camera resolution

1x 200MP, 2x 25MP

4K at 30FPS

Video capture

8K at 30FPS, 4K at 60FPS

4K at 30FPS

Video playback

8K at 30FPS, 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

X55

Connectivity

LTE Cat. 12

4G support

LTE Cat. 22

No

5G support

Yes

Up to 600 Mbps

Download speed

Up to 7500 Mbps

Up to 150 Mbps

Upload speed

Up to 3000 Mbps

5

Wi-Fi

6

4.1

Bluetooth

5.1

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, SBAS, NAVIC

Info

Aug 2016

Announced

Dec 2019

Flagship

Class

Flagship

MSM8996 Pro-AC

Model number

SM8250-AB

Qualcomm Snapdragon 821

Official page

Qualcomm Snapdragon 865

Related SoC Comparison

1

Qualcomm Snapdragon 821 vs MediaTek Helio P23

2

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 626

3

Qualcomm Snapdragon 821 vs Apple A18

4

Qualcomm Snapdragon 821 vs MediaTek Dimensity 900

5

Qualcomm Snapdragon 821 vs MediaTek Dimensity 9000

6

Qualcomm Snapdragon 821 vs MediaTek Dimensity 820

7

Qualcomm Snapdragon 821 vs MediaTek Dimensity 8100

8

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 6 Gen 3

9

Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 6 Gen 1

10

Qualcomm Snapdragon 821 vs MediaTek Dimensity 7020