MediaTek Dimensity 8400 vs MediaTek Helio G91

VS

MediaTek Dimensity 8400

MediaTek Helio G91

We compared two versions of phone SoCs: 8 cores 3250MHz MediaTek Dimensity 8400 vs. 8 cores 2000MHz MediaTek Helio G91 . 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 13.41GB/s)

Higher Frequency (3250MHz vs 2000MHz)

More modern manufacturing process (4nm vs 12nm)

Released 6 months late

Score

MediaTek Dimensity 8400

VS

MediaTek Helio G91

CPU

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

Architecture

2x 2 GHz – Cortex-A75
6x 1.8 GHz – Cortex-A55

3250 MHz

Frequency

2000 MHz

8

Cores

8

ARMv9-A

Instruction set

ARMv8.2-A

3.5 MB

L2 cache

-

6 MB

L3 cache

-

4 nm

Process

12 nm

TSMC

Manufacturing

TSMC

Graphics

Mali-G720 MC7

GPU name

Mali-G52 MP2

1400 MHz

GPU frequency

1000 MHz

6

Execution units

2

-

Shading units

24

Max size

8

-

FLOPS

0.096 TFLOPS

1.3

Vulkan version

1.3

2.0

OpenCL version

2.0

Memory

LPDDR5X

Memory type

LPDDR4X

8533 MHz

Memory frequency

1800 MHz

4x 16 Bit

Bus

2x 16 Bit

136 Gbit/s

Max bandwidth

13.41 Gbit/s

AI

MediaTek NPU 880

NPU

-

Multimedia (ISP)

MediaTek NPU 880

Neural processor (NPU)

MediaTek APU

UFS 4.0

Storage type

eMMC 5.1

2960 x 1440

Max display resolution

2520 x 1080

1x 320MP

Max camera resolution

1x 108MP, 2x 16MP

4K at 60FPS

Video capture

2K at 30FPS

4K at 60FPS

Video playback

2K at 30FPS

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

Connectivity

-

4G support

LTE Cat. 7

Yes

5G support

No

Up to 7900 Mbps

Download speed

Up to 300 Mbps

Up to 4200 Mbps

Upload speed

Up to 100 Mbps

6

Wi-Fi

5

5.4

Bluetooth

5.4

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Navigation

GPS, GLONASS, Beidou, Galileo

Info

Dec 2024

Announced

Jun 2024

Flagship

Class

Low end

MediaTek Dimensity 8400

Official page

MediaTek Helio G91

Related SoC Comparison

1

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 8 Gen 3

2

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 7s Gen 3

3

MediaTek Dimensity 8400 vs MediaTek Helio P35

4

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 730G

5

MediaTek Dimensity 8400 vs Samsung Exynos 9825

6

MediaTek Dimensity 8400 vs MediaTek Dimensity 700

7

MediaTek Dimensity 8400 vs MediaTek Helio P70

8

MediaTek Dimensity 8400 vs MediaTek Dimensity 8000

9

MediaTek Dimensity 8400 vs Qualcomm Snapdragon 8 Elite

10

MediaTek Dimensity 8400 vs Samsung Exynos 7872