Samsung Exynos 7420 vs MediaTek Helio X20

VS

We compared two versions of phone SoCs: 8 cores 2100MHz Samsung Exynos 7420 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

Samsung Exynos 7420 Advantages

Better graphics card performance FLOPS (0.1976 TFLOPS vs 0.0998 TFLOPS )

Larger memory bandwidth (24.8GB/s vs 12.8GB/s)

More modern manufacturing process (14nm vs 20nm)

MediaTek Helio X20 Advantages

Lower TDP (5W vs 7W)

Score

Benchmark

FP32 (float)

Samsung Exynos 7420 +98%

197

MediaTek Helio X20

99

Samsung Exynos 7420

VS

MediaTek Helio X20

CPU

4x 2.1 GHz – Cortex-A57
4x 1.5 GHz – Cortex-A53

Architecture

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

2100 MHz

Frequency

2100 MHz

8

Cores

10

512 KB

L2 cache

-

14 nm

Process

20 nm

2

Transistor count

3

7 W

TDP

5 W

Samsung

Manufacturing

TSMC

Graphics

Mali-T760 MP8

GPU name

Mali-T880 MP4

772 MHz

GPU frequency

780 MHz

8

Execution units

4

16

Shading units

16

4

Max size

4

0.1976 TFLOPS

FLOPS

0.0998 TFLOPS

1.0

Vulkan version

1.0

1.2

OpenCL version

1.2

11

DirectX version

11.2

Memory

LPDDR4

Memory type

LPDDR3

-

Memory frequency

933 MHz

2x 32 Bit

Bus

2x 16 Bit

24.8 Gbit/s

Max bandwidth

12.8 Gbit/s

AI

No

NPU

No

Multimedia (ISP)

No

Neural processor (NPU)

No

eMMC 5.1, UFS 2.0

Storage type

eMMC 5.1

2560 x 1440

Max display resolution

2560 x 1600

1x 24MP, 2x 16MP

Max camera resolution

1x 25MP

4K at 30FPS

Video capture

4K at 30FPS

Video playback

4K at 30FPS

H.264, H.265

Video codecs

H.264, H.265, VP9

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AIFF, CAF, MP3, MP4, WAV

Shannon 333

Modem

-

Connectivity

LTE Cat. 6

4G support

LTE Cat. 6

No

5G support

No

Up to 450 Mbps

Download speed

Up to 300 Mbps

Up to 150 Mbps

Upload speed

Up to 50 Mbps

4

Wi-Fi

5

4.1

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Apr 2015

Announced

May 2015

Flagship

Class

Mid range

-

Model number

MT6797

Samsung Exynos 7420

Official page

MediaTek Helio X20

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