MediaTek Dimensity 8400 vs Qualcomm Snapdragon 665

VS

MediaTek Dimensity 8400

Qualcomm Snapdragon 665

We compared two versions of phone SoCs: 8 cores 3250MHz MediaTek Dimensity 8400 vs. 8 cores 2000MHz Qualcomm Snapdragon 665 . 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 14.9GB/s)

Higher Frequency (3250MHz vs 2000MHz)

More modern manufacturing process (4nm vs 11nm)

Released 5 years and 8 months late

Score

Benchmark

Geekbench 6 Single Core

MediaTek Dimensity 8400 +389%

1651

Qualcomm Snapdragon 665

337

Geekbench 6 Multi Core

MediaTek Dimensity 8400 +485%

6833

Qualcomm Snapdragon 665

1167

MediaTek Dimensity 8400

VS

Qualcomm Snapdragon 665

CPU

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

Architecture

4x 2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.8 GHz – Kryo 260 Silver (Cortex-A53)

3250 MHz

Frequency

2000 MHz

8

Cores

8

ARMv9-A

Instruction set

ARMv8-A

3.5 MB

L2 cache

1 MB

6 MB

L3 cache

-

4 nm

Process

11 nm

-

Transistor count

1.75

-

TDP

5 W

TSMC

Manufacturing

Samsung

Graphics

Mali-G720 MC7

GPU name

Adreno 610

1400 MHz

GPU frequency

950 MHz

6

Execution units

1

-

Shading units

128

24

Max size

8

-

FLOPS

0.2432 TFLOPS

1.3

Vulkan version

1.1

2.0

OpenCL version

2.0

-

DirectX version

12.1

Memory

LPDDR5X

Memory type

LPDDR4X

8533 MHz

Memory frequency

1866 MHz

4x 16 Bit

Bus

2x 16 Bit

136 Gbit/s

Max bandwidth

14.9 Gbit/s

AI

MediaTek NPU 880

NPU

-

Multimedia (ISP)

MediaTek NPU 880

Neural processor (NPU)

Hexagon 686

UFS 4.0

Storage type

eMMC 5.1, UFS 2.1

2960 x 1440

Max display resolution

2520 x 1080

1x 320MP

Max camera resolution

1x 48MP, 2x 16MP

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. 13

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

5.0

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, SBAS

Info

Dec 2024

Announced

Apr 2019

Flagship

Class

Mid range

-

Model number

SM6125

MediaTek Dimensity 8400

Official page

Qualcomm Snapdragon 665

Related SoC Comparison

1

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 670

2

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 870

3

MediaTek Dimensity 8400 vs HiSilicon Kirin 658

4

MediaTek Dimensity 8400 vs MediaTek Dimensity 7200

5

MediaTek Dimensity 8400 vs MediaTek Dimensity 7025

6

MediaTek Dimensity 8400 vs MediaTek Helio G95

7

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 4 Gen 1

8

MediaTek Dimensity 8400 vs MediaTek Dimensity 810

9

MediaTek Dimensity 8400 vs MediaTek Dimensity 6080

10

MediaTek Dimensity 8400 vs HiSilicon Kirin 655