Qualcomm Snapdragon 685 vs MediaTek Helio X20

VS

Qualcomm Snapdragon 685

MediaTek Helio X20

We compared two versions of phone SoCs: 8 cores 2800MHz Qualcomm Snapdragon 685 vs. 10 cores 2100MHz MediaTek Helio X20 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

Qualcomm Snapdragon 685 Advantages

Better graphics card performance FLOPS (0.2432 TFLOPS vs 0.0998 TFLOPS )

Larger memory bandwidth (17GB/s vs 12.8GB/s)

Higher Frequency (2800MHz vs 2100MHz)

More modern manufacturing process (6nm vs 20nm)

Released 7 years and 10 months late

Score

Benchmark

FP32 (float)

Qualcomm Snapdragon 685 +145%

243

MediaTek Helio X20

99

Qualcomm Snapdragon 685

VS

MediaTek Helio X20

CPU

4x 2.8 GHz – Cortex-A73
4x 1.9 GHz – Cortex-A53

Architecture

2x 2.1 GHz – Cortex-A72
4x 1.85 GHz – Cortex-A53
4x 1.4 GHz – Cortex-A53

2800 MHz

Frequency

2100 MHz

8

Cores

10

ARMv8.2-A

Instruction set

ARMv8-A

6 nm

Process

20 nm

-

Transistor count

3

-

TDP

5 W

TSMC

Manufacturing

TSMC

Graphics

Adreno 610

GPU name

Mali-T880 MP4

950 MHz

GPU frequency

780 MHz

1

Execution units

4

128

Shading units

16

8

Max size

4

0.2432 TFLOPS

FLOPS

0.0998 TFLOPS

1.1

Vulkan version

1.0

2.0

OpenCL version

1.2

12.1

DirectX version

11.2

Memory

LPDDR4X

Memory type

LPDDR3

2133 MHz

Memory frequency

933 MHz

2x 16 Bit

Bus

2x 16 Bit

17 Gbit/s

Max bandwidth

12.8 Gbit/s

Multimedia (ISP)

Hexagon 686

Neural processor (NPU)

No

UFS 2.2

Storage type

eMMC 5.1

2520 x 1080

Max display resolution

2560 x 1600

1x 108MP, 2x 16MP

Max camera resolution

1x 25MP

1K at 60FPS

Video capture

4K at 30FPS

1080p at 60FPS

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

AIFF, CAF, MP3, MP4, WAV

X11

Modem

-

Connectivity

LTE Cat. 13

4G support

LTE Cat. 6

No

5G support

No

Up to 390 Mbps

Download speed

Up to 300 Mbps

Up to 150 Mbps

Upload speed

Up to 50 Mbps

5

Wi-Fi

5

5.2

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Mar 2023

Announced

May 2015

Low end

Class

Mid range

SM6225-AD

Model number

MT6797

Qualcomm Snapdragon 685

Official page

MediaTek Helio X20

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