MediaTek Dimensity 9400 vs MediaTek Helio G91

Compared 2 processors: MediaTek Dimensity 9400, vs MediaTek Helio G91. Below are specs, tests, pros and cons for each device

Review

Key Specs MediaTek Dimensity 9400 and MediaTek Helio G91
Processor Performance
Single-Core Benchmark Score
Gaming Performance
Graphics and OpenCL/Vulkan tests
Energy Efficiency
Chip Power Efficiency
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
AnTuTu 10
AnTuTu 10
MediaTek Dimensity 9400
2561838
MediaTek Helio G91
276628
CPU59664588936
GPU115962437692
Memory40276268557
UX40280781443
NanoReview Score2561838276628
3DMark Wild Life
3DMark Wild Life
MediaTek Dimensity 9400
11703
MediaTek Helio G91
n/a
Graphics Test70 fpsn/a
GeekBench v6
Geekbench 6 (Single-Core)
MediaTek Dimensity 9400
2874
MediaTek Helio G91
429
Geekbench 6 (Multi-Core)
MediaTek Dimensity 9400
8969
MediaTek Helio G91
1389
File Compression348.3 MB/sn/a
HTML5 Browser270 pages/sn/a
PDF Rendering290.1 MP/secn/a
Background Blur32.3 frames/sn/a
Photo Processing86.9 frames/sn/a
Image Detection224.6 frames/sn/a
HDR278.6 MP/secn/a
Ray Tracing9.44 MP/secn/a

Processor

Architecture - 1x 3.63 GHz – Cortex-X925
- 3x 3.3 GHz – Cortex-X4
- 4x 2.4 GHz – Cortex-A720
- 2x 2 GHz – Cortex-A75
- 6x 1.8 GHz – Cortex-A55
Process TSMC TSMC
Cores count 8 8
Frequency 3630 2000
Instruction set ARMv9.2-A ARMv8.2-A
L2 cache 12 MB n/a
Process tech. 3 nm 12 nm
Power (TDP) 8.2 W 5 W

Graphics

GPU specifications including architecture, frequency, compute units, and support for graphics APIs (Vulkan, OpenCL, DirectX).
GPU Model Mali-G925 Immortalis MP12 Mali-G52 MP2
Architecture Valhall 5th gen Bifrost 2nd gen
GPU Frequency 1612 MHz 1000 MHz
Execution Units 12 2
Shader Units 128 24
Total shader 1536 48
FLOPS 4952.1 GFLOPS 96 GFLOPS
Vulkan 1.3 1.3
OpenCL 3.0 2.0
DirectX 12.1 n/a

AI Acceleration

Specifications of the neural processor (NPU / DSP) responsible for machine learning and AI acceleration tasks.
Artificial Intelligence MediaTek NPU 890 MediaTek APU

Memory

RAM
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 1800 MHz
Bus 4x16 bit 2x16 bit
Bandwidth 85.3 Gbit/s 13.41 Gbit/s
Max RAM 24 GB 8 GB

Multimedia

GPU, ISP capabilities, display and camera support, as well as audio and video codec compatibility.
Memory Type UFS 4.0 - eMMC 5.1
- UFS 2.1
Max. resolution 3840x2160 pixels 2520x1080 pixels
Camera 1x320 pixels 1x108 pixels
Video recording 8K at 60FPS, 4K at 120FPS 2K at 30FPS
Video quality 8K at 60FPS, 4K at 120FPS 2K at 30FPS
Video codecs - H.264
- H.265
- AV1
- VP9
- H.264
- H.265
- VP9
Audio codecs - AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
- AIFF
- CAF
- MP3
- MP4
- WAV

Connectivity

4G Support LTE Cat. 24 LTE Cat. 7
5G Support Yes No
Download speed n/a Up to 300 MB/s
Upload speed n/a Up to 100 MB/s
Wi-Fi version 7 5
Bluetooth version 6.0 5.4
Navigation - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo

Other

Announced October, 2024 yr June, 2024 yr
Class Flagship Low end
Codename MT6991 MT6991Z/CZA MT6991W/CZA n/a

Results

After analyzing the data, we consider MediaTek Dimensity 9400 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below