MediaTek Dimensity 8400 vs Samsung Exynos 9820

VS

MediaTek Dimensity 8400

Samsung Exynos 9820

We compared two versions of phone SoCs: 8 cores 3250MHz MediaTek Dimensity 8400 vs. 8 cores 2730MHz Samsung Exynos 9820 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

MediaTek Dimensity 8400 Advantages

Larger memory bandwidth (136GB/s vs 33.4GB/s)

Higher Frequency (3250MHz vs 2730MHz)

More modern manufacturing process (4nm vs 8nm)

Released 6 years and 1 months late

Score

Benchmark

Geekbench 6 Single Core

MediaTek Dimensity 8400 +121%

1651

Samsung Exynos 9820

747

Geekbench 6 Multi Core

MediaTek Dimensity 8400 +192%

6833

Samsung Exynos 9820

2333

MediaTek Dimensity 8400

VS

Samsung Exynos 9820

CPU

1x 3.25 GHz – Cortex-A725
3x 3.0 GHz – Cortex-A725
4x 2.1 GHz – Cortex-A725

Architecture

2x 2.73 GHz – Mongoose M4
2x 2.31 GHz – Cortex-A75
4x 1.95 GHz – Cortex-A55

3250 MHz

Frequency

2730 MHz

8

Cores

8

ARMv9-A

Instruction set

ARMv8.2-A

3.5 MB

L2 cache

2 MB

6 MB

L3 cache

0

4 nm

Process

8 nm

-

Transistor count

8.5

-

TDP

9 W

TSMC

Manufacturing

Samsung

Graphics

Mali-G720 MC7

GPU name

Mali-G76 MP12

1400 MHz

GPU frequency

702 MHz

6

Execution units

12

-

Shading units

36

24

Max size

12

-

FLOPS

0.607 TFLOPS

1.3

Vulkan version

1.3

2.0

OpenCL version

2.0

-

DirectX version

12

Memory

LPDDR5X

Memory type

LPDDR4X

8533 MHz

Memory frequency

2133 MHz

4x 16 Bit

Bus

4x 16 Bit

136 Gbit/s

Max bandwidth

33.4 Gbit/s

AI

MediaTek NPU 880

NPU

-

Multimedia (ISP)

MediaTek NPU 880

Neural processor (NPU)

Yes

UFS 4.0

Storage type

UFS 2.1, UFS 3.0

2960 x 1440

Max display resolution

3840 x 2400

1x 320MP

Max camera resolution

1x 32MP, 2x 16MP

4K at 60FPS

Video capture

8K at 30FPS, 4K at 150FPS

4K at 60FPS

Video playback

8K at 30FPS, 4K at 150FPS

H.264, H.265, AV1, VP9

Video codecs

H.264, H.265, VP9

AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC

Audio codecs

AIFF, CAF, MP3, MP4, WAV

-

Modem

Exynos 5100

Connectivity

-

4G support

LTE Cat. 20

Yes

5G support

Yes

Up to 7900 Mbps

Download speed

Up to 2000 Mbps

Up to 4200 Mbps

Upload speed

Up to 316 Mbps

6

Wi-Fi

6

5.4

Bluetooth

5.0

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Dec 2024

Announced

Nov 2018

Flagship

Class

Flagship

-

Model number

S5E9820

MediaTek Dimensity 8400

Official page

Samsung Exynos 9820

Related SoC Comparison

1

MediaTek Dimensity 8400 vs MediaTek MT6753

2

MediaTek Dimensity 8400 vs HiSilicon Kirin 658

3

MediaTek Dimensity 8400 vs MediaTek Dimensity 8100

4

MediaTek Dimensity 8400 vs MediaTek Dimensity 8300

5

MediaTek Dimensity 8400 vs MediaTek Dimensity 1100

6

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 625

7

MediaTek Dimensity 8400 vs Samsung Exynos 7884B

8

MediaTek Dimensity 8400 vs HiSilicon Kirin 970

9

MediaTek Dimensity 8400 vs Samsung Exynos 990

10

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 768G