Dimensity 9400 vs Dimensity 8400
We compared two 8-core processors: MediaTek Dimensity 9400 (with Mali-G925 Immortalis MP12 graphics) and Dimensity 8400 (Mali-G720 MP7). Here you will find the pros and cons of each chip, technical specs, and comprehensive tests in benchmarks, like AnTuTu and Geekbench.
Review
CPU Performance
Single and multi-core processor tests
Gaming Performance
GPU performance in games and OpenCL/Vulkan
Battery life
Efficiency of battery consumption
NanoReview Score
Overall chip score
Key Differences
Pros of MediaTek Dimensity 9400
- Performs 2.1x better in floating-point computations
- Has 6 MB larger L3 cache size than the Dimensity 8400
- Shows significantly better (up to 45%) AnTuTu 11 score โ 2825K vs 1948K
- Has a smaller size transistor (3 versus 4 nm)
- Supports 25% higher memory bandwidth (85.3 against 68.2 GB/s)
- Higher GPU frequency (~24%)
- 11% higher CPU clock speed (3620 vs 3250 MHz)
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 900074 | 623766 |
| GPU | 972096 | 596540 |
| Memory | 345330 | 331200 |
| UX | 607687 | 396922 |
| Total score | 2825187 | 1948428 |
| Samples | [72 tests] | [313 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 344.4 MB/sec | 248.7 MB/sec |
| HTML 5 Browser | 251 pages/sec | 189.2 pages/sec |
| PDF Renderer | 258.4 Mpixels/sec | 189.3 Mpixels/sec |
| Image detection | 209.7 images/sec | 111.1 images/sec |
| HDR | 267.4 Mpixels/sec | 166.2 Mpixels/sec |
| Background blur | 30.9 images/sec | 19.8 images/sec |
| Photo processing | 84.4 images/sec | 58 images/sec |
| Ray tracing | 9.3 Mpixels/sec | 7.1 Mpixels/sec |
| Samples | 22 tests | 45 tests |
Compute Score (GPU)
| Background blur | 43 images/sec | 21.3 images/sec |
| Face detection | 19.8 images/sec | 11.1 images/sec |
| Horizon detection | 0.78 Gpixels/sec | 0.52 Gpixels/sec |
| Edge detection | 0.63 Gpixels/sec | 0.71 Gpixels/sec |
| Gaussian blur | 1.71 Gpixels/sec | 0.66 Gpixels/sec |
| Feature matching | 0.29 Gpixels/sec | 0.15 Gpixels/sec |
| Stereo matching | 73.3 Gpixels/sec | 37.2 Gpixels/sec |
| Particle physics | 3456.3 FPS | 1703.3 FPS |
| API | OpenCL | Vulkan |
| Samples | 17 tests | 31 tests |
3DMark
3DMark Steel Nomad Light
| Score | 2371 | 1346 |
| Stability | 61% | 86% |
| Graphics test | 18 FPS | 10 FPS |
3DMark Solar Bay
| Score | 10747 | 5948 |
| Graphics test | 41 FPS | 23 FPS |
| Section 1 | 46 FPS | 25 FPS |
| Section 2 | 42 FPS | 23 FPS |
| Section 3 | 36 FPS | 20 FPS |
3DMark Wild Life Extreme
| Score | 6272 | - |
| Graphics test | 37 FPS | - |
PCMark 3.0
PCMark 3.0
| Web score | 14420 | 14034 |
| Video editing score | 6211 | 6661 |
| Data manipulation score | 16192 | 13175 |
| Photo editing score | 30985 | 23584 |
| Writing score | 19569 | 17637 |
| Phones tested | 6 models | 5 models |
Recent User Tests
MediaTek Dimensity 9400
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-09-30 -> Bronelliant | AnTuTu 12 | 2833803 |
| ๐ 2026-09-25 (AZA_KEN) | AnTuTu 11 | 2765026 |
| ๐ 2026-09-12 (Oussama barhmate) | AnTuTu 12 | 3135000 |
| ๐ 2026-08-09 (chakzz_0) | AnTuTu 11 | 2935203 |
| ๐ 2026-08-01 -> Dlack | AnTuTu 11 | 2847396 |
MediaTek Dimensity 8400
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-10-01 -> Mohammad.Sodaei | AnTuTu 12 | 2257137 |
| ๐ 2026-09-30 (Gelo) | AnTuTu 12 | 2223623 |
| ๐ 2026-09-28 (Abdul) | AnTuTu 12 | 2149140 |
| ๐ 2026-09-26 (Kkk) | AnTuTu 12 | 2149090 |
| ๐ 2026-09-25 (ะะธะผัะธะบัั) | AnTuTu 12 | 2071934 |
Specifications
Full list of technical specifications of Dimensity 9400 and Dimensity 8400CPU
| Architecture | 1x 3.62 GHz โ Cortex-X925 3x 3.3 GHz โ Cortex-X4 4x 2.4 GHz โ Cortex-A720 |
1x 3.25 GHz โ Cortex-A725 3x 3 GHz โ Cortex-A725 4x 2.1 GHz โ Cortex-A725 |
| Cores | 8 | 8 |
| Frequency | 3620 MHz | 3250 MHz |
| Instruction set | ARMv9.2-A | ARMv9.2-A |
| L1 cache | 128 KB | - |
| L2 cache | 2 MB | 1 MB |
| L3 cache | 12 MB | 6 MB |
| Process | 3 nanometers | 4 nanometers |
| TDP (Sustained Power Limit) | - | 7 W |
| Manufacturing | TSMC | TSMC |
Graphics
| GPU name | Mali-G925 Immortalis MP12 | Mali-G720 MP7 |
| Architecture | Valhall 5th gen | 5th gen |
| GPU frequency | 1612 MHz | 1300 MHz |
| 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 | 3.0 |
| DirectX version | 12.1 | 12 |
AI Accelerator
| Neural processor (NPU) | MediaTek NPU 890 | MediaTek NPU 880 |
| NPU theoretical performance | 50 TOPS | - |
Memory
| Memory type | LPDDR5X | LPDDR5X |
| Memory frequency | 5333 MHz | 4266 MHz |
| Bus | 4x 16 Bit | 4x 16 Bit |
| Max bandwidth | 85.3 Gb/s | 68.2 Gb/s |
| Max size | 24 GB | 24 GB |
Multimedia (ISP)
| Storage type | UFS 4.0 | UFS 4.0, UFS 4.1 |
| Max display resolution | 3840 x 2160 | 2960 x 1440 |
| Max camera resolution | 1x 320MP | 1x 320MP, 3x 32MP |
| Video capture | 8K at 60FPS, 4K at 120FPS | 4K at 60FPS |
| Video playback | 8K at 60FPS, 4K at 120FPS | 4K at 60FPS |
| Video codecs | - H.264 - H.265 - AV1 - VP9 |
- H.264 - H.265 - AV1 - VP9 |
| Audio codecs | - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
- AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
Connectivity
| 4G support | LTE Cat. 24 | - |
| 5G support | Yes | Yes |
| Download speed | Up to 7300 Mbps | Up to 5170 Mbps |
| Wi-Fi | 7 | 6 |
| Bluetooth | 6.0 | 6.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | October 2024 | December 2024 |
| Class | Flagship | Mid range |
| Model number | MT6991, MT6991Z/CZA, MT6991W/CZA | MT6899, MT6899Z |
| Official page | MediaTek Dimensity 9400 official site | MediaTek Dimensity 8400 official site |
| Successor | - MediaTek Dimensity 9500 | - |
Further details
Notes on Dimensity 8400:
- โDimensity 8400 Ultraโ is the same chip as โDimensity 8400โ but marketed for better thermals and sustained performance.
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