MediaTek Dimensity 8400 vs Qualcomm Snapdragon 821

VS

MediaTek Dimensity 8400

Qualcomm Snapdragon 821

We compared two versions of phone SoCs: 8 cores 3250MHz MediaTek Dimensity 8400 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

MediaTek Dimensity 8400 Advantages

Larger memory bandwidth (136GB/s vs 29.8GB/s)

Higher Frequency (3250MHz vs 2342MHz)

More modern manufacturing process (4nm vs 14nm)

Released 8 years and 4 months late

Score

Benchmark

Geekbench 6 Single Core

MediaTek Dimensity 8400 +322%

1651

Qualcomm Snapdragon 821

391

Geekbench 6 Multi Core

MediaTek Dimensity 8400 +757%

6833

Qualcomm Snapdragon 821

797

MediaTek Dimensity 8400

VS

Qualcomm Snapdragon 821

CPU

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

Architecture

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

3250 MHz

Frequency

2342 MHz

8

Cores

4

ARMv9-A

Instruction set

ARMv8-A

3.5 MB

L2 cache

1 MB

6 MB

L3 cache

-

4 nm

Process

14 nm

-

Transistor count

2

-

TDP

11 W

TSMC

Manufacturing

Samsung

Graphics

Mali-G720 MC7

GPU name

Adreno 530

1400 MHz

GPU frequency

653 MHz

6

Execution units

1

-

Shading units

256

24

Max size

8

-

FLOPS

0.3343 TFLOPS

1.3

Vulkan version

1.0

2.0

OpenCL version

2.0

-

DirectX version

11

Memory

LPDDR5X

Memory type

LPDDR4

8533 MHz

Memory frequency

1866 MHz

4x 16 Bit

Bus

4x 16 Bit

136 Gbit/s

Max bandwidth

29.8 Gbit/s

AI

MediaTek NPU 880

NPU

-

Multimedia (ISP)

MediaTek NPU 880

Neural processor (NPU)

Hexagon 680

UFS 4.0

Storage type

eMMC 5.1, UFS 2.0

2960 x 1440

Max display resolution

3840 x 2160

1x 320MP

Max camera resolution

1x 28MP, 2x 13MP

4K at 60FPS

Video capture

4K at 30FPS

4K at 60FPS

Video playback

4K at 30FPS

H.264, H.265, AV1, VP9

Video codecs

H.264, H.265, VP8, VP9

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

Audio codecs

AIFF, CAF, MP3, MP4, WAV

-

Modem

X12

Connectivity

-

4G support

LTE Cat. 12

Yes

5G support

No

Up to 7900 Mbps

Download speed

Up to 600 Mbps

Up to 4200 Mbps

Upload speed

Up to 150 Mbps

6

Wi-Fi

5

5.4

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Dec 2024

Announced

Aug 2016

Flagship

Class

Flagship

-

Model number

MSM8996 Pro-AC

MediaTek Dimensity 8400

Official page

Qualcomm Snapdragon 821

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