MediaTek Dimensity 9400 vs MediaTek Dimensity 8400 Ultra

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Based on benchmark performance, MediaTek Dimensity 9400 achieves a higher total AnTuTu score of 2,537,181 (tested by 91Mobiles), compared to MediaTek Dimensity 8400 Ultra's 1,577,069 (tested by 91Mobiles), making MediaTek Dimensity 9400 the more powerful processor.

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Summary

Release Date

Oct, 2024
Jan, 2025

CPU

Octa core
(3.62 GHz, Single Core + 3.3 GHz, Tri core + 2.4 GHz, Quad core)
Octa core
(3.25 GHz, Single Core + 3 GHz, Tri core + 2.1 GHz, Quad core)

Process Node

3 nm
4 nm

GPU

Immortalis-G925 MC12
Mali-G720 MC7

Memory Type

LPDDR5X
LPDDR5X

AnTuTu Score

2,537,181
1,577,069

Geekbench Score

2,819/8,515
1,590/6,257

Phones Powered by These SoCs

Benchmark

AnTuTu (The higher, the better)
AnTuTu measures CPU, GPU, memory and overall performance in different scenarios
MediaTek Dimensity 9400
MediaTek Dimensity 9400 2,537,181
MediaTek Dimensity 8400 Ultra
MediaTek Dimensity 8400 Ultra 1,577,069
CPU
588,394
368,051
GPU
1,134,289
562,853
Memory
409,244
326,881
UX
405,254
319,284
Geekbench (The higher, the better)
The Geekbench test shows raw single-threaded and multithreaded CPU performance
Geekbench Single Core
MediaTek Dimensity 9400
MediaTek Dimensity 9400 2,819
MediaTek Dimensity 8400 Ultra
MediaTek Dimensity 8400 Ultra 1,590
Geekbench Multi Core
MediaTek Dimensity 9400
MediaTek Dimensity 9400 8,515
MediaTek Dimensity 8400 Ultra
MediaTek Dimensity 8400 Ultra 6,257

Benchmark Screenshots

AnTuTu Score:

General

SoC Brand

MediaTek
MediaTek

Title

MediaTek Dimensity 9400
MediaTek Dimensity 8400 Ultra

Model No

MT6991
MT6899

Manufacturing

TSMC
TSMC

CPU

Total Cores

Octa core
Octa core

CPU

Octa core (3.62 GHz, Single Core, Cortex X925 + 3.3 GHz, Tri core, Cortex X4 + 2.4 GHz, Quad core, Cortex A720)
Octa core (3.25 GHz, Single Core, Cortex A725 + 3 GHz, Tri core, Cortex A725 + 2.1 GHz, Quad core, Cortex A725)

Architecture (The higher, the better)

64 bit
64 bit

Process Node

3 nm
4 nm

Instruction Set

ARMv9.2-A
ARMv9.2-A

L1 Cache

128 KB
N/A

L2 Cache

2 MB
1 MB

L3 Cache

12 MB
6 MB

GPU

GPU

Immortalis-G925 MC12
Mali-G720 MC7

GPU Clock speed

1.612 GHz
1.3 GHz

Pipelines

12
7

Shading Units

128
128

Total Shaders

1536
896

FLOPS

4952.1 Gigaflops
2329.6 Gigaflops

Vulkan Version

1.3
1.3

OpenCL Version

3.0 FP
3.0 FP

DirectX Version

12.1
12.0

AI

NPU

NPU 890
N/A

Memory

Memory Type

LPDDR5X
LPDDR5X

Memory Speed

5.333 GHz
4.266 GHz

Bus

4x16 Bit
4x16 Bit

Memory Max bandwidth

85.3 Gb/s
68.2 Gb/s

Memory Max size

24 GB
24 GB

Storage Type

UFS 4.0
UFS 4.1

Camera

Max Camera Sensor Supported

320 MP
320 MP

Max Video Capture Resolution

8K @ 60 FPS
UHD @ 60 FPS

Display

Max On-Device Display Resolution

UHD
QHD+

Max Refresh Rate

180 Hz
144 Hz

Color Depth

10 bit
N/A

Multimedia

Video Playback Resolution

8K @ 60 FPS
UHD @ 60 FPS

Video Codecs

H.264, H.265, AV1, VP9
H.264, H.265, AV1, VP9

Audio Codecs

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

Connectivity

5G Support

Yes
Yes

Peak Download Speed

Up to 7300 Mbps
Up to 5170 Mbps

Wi-Fi Version

7
6E

Wi-Fi Standard

a, ac, ax, b, be, g, n
a, ac, ax, ax 6GHz, b, g, n

Bluetooth Version

6.0
5.4

Navigation

BeiDou, Galileo, Glonass, GPS, NavIC, QZSS
BeiDou, Galileo, Glonass, GPS, NavIC, QZSS

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