Qualcomm Snapdragon 636 vs Qualcomm Snapdragon 821

VS

Qualcomm Snapdragon 636

Qualcomm Snapdragon 821

We compared two versions of phone SoCs: 8 cores 1800MHz Qualcomm Snapdragon 636 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 636 Advantages

Lower TDP (5W vs 11W)

Released 1 years and 2 months late

Qualcomm Snapdragon 821 Advantages

Better graphics card performance FLOPS (0.3343 TFLOPS vs 0.1843 TFLOPS )

Larger memory bandwidth (29.8GB/s vs 5.3GB/s)

Higher Frequency (2342MHz vs 1800MHz)

Score

Benchmark

AnTuTu 10

Qualcomm Snapdragon 636

220696

Qualcomm Snapdragon 821 +5%

233076

Geekbench 6 Single Core

Qualcomm Snapdragon 636

295

Qualcomm Snapdragon 821 +32%

391

Geekbench 6 Multi Core

Qualcomm Snapdragon 636 +36%

1088

Qualcomm Snapdragon 821

797

FP32 (float)

Qualcomm Snapdragon 636

184

Qualcomm Snapdragon 821 +81%

334

Qualcomm Snapdragon 636

VS

Qualcomm Snapdragon 821

CPU

4x 1.8 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.6 GHz – Kryo 260 Silver (Cortex-A53)

Architecture

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

1800 MHz

Frequency

2342 MHz

8

Cores

4

ARMv8-A

Instruction set

ARMv8-A

-

L2 cache

1 MB

14 nm

Process

14 nm

2

Transistor count

2

5 W

TDP

11 W

Samsung

Manufacturing

Samsung

Graphics

Adreno 509

GPU name

Adreno 530

720 MHz

GPU frequency

653 MHz

1

Execution units

1

128

Shading units

256

8

Max size

8

0.1843 TFLOPS

FLOPS

0.3343 TFLOPS

1.0

Vulkan version

1.0

2.0

OpenCL version

2.0

11

DirectX version

11

Memory

LPDDR4

Memory type

LPDDR4

1333 MHz

Memory frequency

1866 MHz

2x 16 Bit

Bus

4x 16 Bit

5.3 Gbit/s

Max bandwidth

29.8 Gbit/s

Multimedia (ISP)

Hexagon 680

Neural processor (NPU)

Hexagon 680

eMMC 5.1, UFS 2.1

Storage type

eMMC 5.1, UFS 2.0

1900 x 1200

Max display resolution

3840 x 2160

1x 24MP, 2x 16MP

Max camera resolution

1x 28MP, 2x 13MP

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, VP8, VP9

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AIFF, CAF, MP3, MP4, WAV

X12

Modem

X12

Connectivity

LTE Cat. 13

4G support

LTE Cat. 12

No

5G support

No

Up to 600 Mbps

Download speed

Up to 600 Mbps

Up to 150 Mbps

Upload speed

Up to 150 Mbps

5

Wi-Fi

5

5.0

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo, QZSS, SBAS

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Oct 2017

Announced

Aug 2016

Mid range

Class

Flagship

SDM636

Model number

MSM8996 Pro-AC

Qualcomm Snapdragon 636

Official page

Qualcomm Snapdragon 821

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