Dimensity 8400 vs Dimensity 6400
We compared two 8-core processors: MediaTek Dimensity 8400 (with Mali-G720 MP7 graphics) and Dimensity 6400 (Mali-G57 MP2). 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 8400
- Performs 17x better in floating-point computations
- Supports 300% higher memory bandwidth (68.2 against 17.07 GB/s)
- Shows significantly better (up to 3.4x) AnTuTu 11 score β 1948K vs 581K
- Has 4 MB larger L3 cache size than the Dimensity 6400
- Has a smaller size transistor (4 versus 6 nm)
- 30% higher CPU clock speed (3250 vs 2500 MHz)
- Higher GPU frequency (~21%)
- Better instruction set architecture
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 623766 | 225859 |
| GPU | 596540 | 46666 |
| Memory | 331200 | 114767 |
| UX | 396922 | 193749 |
| Total score | 1948428 | 581041 |
| Samples | [313 tests] | [11 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 248.7 MB/sec | 102.2 MB/sec |
| HTML 5 Browser | 189.2 pages/sec | 50.8 pages/sec |
| PDF Renderer | 189.3 Mpixels/sec | 75.1 Mpixels/sec |
| Image detection | 111.1 images/sec | 39.7 images/sec |
| HDR | 166.2 Mpixels/sec | 63.9 Mpixels/sec |
| Background blur | 19.8 images/sec | 5.97 images/sec |
| Photo processing | 58 images/sec | 19.8 images/sec |
| Ray tracing | 7.1 Mpixels/sec | 2.96 Mpixels/sec |
| Samples | 45 tests | 8 tests |
Compute Score (GPU)
| Background blur | 21.3 images/sec | 2.05 images/sec |
| Face detection | 11.1 images/sec | 1.02 images/sec |
| Horizon detection | 0.52 Gpixels/sec | 0.07 Gpixels/sec |
| Edge detection | 0.71 Gpixels/sec | 0.1 Gpixels/sec |
| Gaussian blur | 0.66 Gpixels/sec | 0.06 Gpixels/sec |
| Feature matching | 0.15 Gpixels/sec | 0.02 Gpixels/sec |
| Stereo matching | 37.2 Gpixels/sec | 4.04 Gpixels/sec |
| Particle physics | 1703.3 FPS | 241.3 FPS |
| API | Vulkan | OpenCL |
| Samples | 31 tests | 7 tests |
3DMark
3DMark Steel Nomad Light
| Score | 1346 | 148 |
| Stability | 86% | - |
| Graphics test | 10 FPS | 1 FPS |
3DMark Solar Bay
| Score | 5948 | - |
| Graphics test | 23 FPS | - |
| Section 1 | 25 FPS | - |
| Section 2 | 23 FPS | - |
| Section 3 | 20 FPS | - |
PCMark 3.0
PCMark 3.0
| Web score | 14034 | 11379 |
| Video editing score | 6661 | 5148 |
| Data manipulation score | 13175 | 7894 |
| Photo editing score | 23584 | 23774 |
| Writing score | 17637 | 14385 |
| Phones tested | 5 models | 3 models |
Recent User Tests
MediaTek Dimensity 8400
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-04 -> Timur55 | AnTuTu 11 | 1910022 |
| π 2026-10-02 (LEADER OF DAWN) | Geekbench 7 CPU | 1165 / 3044 |
| π 2026-10-01 -> Mohammad.Sodaei | AnTuTu 12 | 2257137 |
| π 2026-09-30 (Gelo) | AnTuTu 12 | 2223623 |
| π 2026-09-28 (Abdul) | AnTuTu 12 | 2149140 |
MediaTek Dimensity 6400
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-23 (Takno pova slim 5g π) | AnTuTu 12 | 726622 |
| π 2026-08-24 (biszkopt875) | AnTuTu 11 | 607352 |
| π 2026-08-02 (zimz tecno spark 50 5g) | AnTuTu 11 | 568135 |
| π 2026-07-30 -> NexxG96 | AnTuTu 11 | 581041 |
| π 2026-06-28 (Arnab) | AnTuTu 11 | 613165 |
Specifications
Full list of technical specifications of Dimensity 8400 and Dimensity 6400CPU
| Architecture | 1x 3.25 GHz β Cortex-A725 3x 3 GHz β Cortex-A725 4x 2.1 GHz β Cortex-A725 |
2x 2.5 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 3250 MHz | 2500 MHz |
| Instruction set | ARMv9.2-A | ARMv8.2-A |
| L1 cache | - | 512 KB |
| L2 cache | 1 MB | 1 MB |
| L3 cache | 6 MB | 2 MB |
| Process | 4 nanometers | 6 nanometers |
| TDP (Sustained Power Limit) | 7 W | - |
| Manufacturing | TSMC | TSMC |
Graphics
| GPU name | Mali-G720 MP7 | Mali-G57 MP2 |
| Architecture | 5th gen | Valhall 1st gen |
| GPU frequency | 1300 MHz | 1072 MHz |
| Pipelines | 7 | 2 |
| Shading units | 128 | 32 |
| Total shaders | 896 | 64 |
| FLOPS | 2329.6 Gigaflops | 137.2 Gigaflops |
| Vulkan version | 1.3 | 1.3 |
| OpenCL version | 3.0 | 2.0 |
| DirectX version | 12 | 12 |
AI Accelerator
| Neural processor (NPU) | MediaTek NPU 880 | Yes |
Memory
| Memory type | LPDDR5X | LPDDR4X |
| Memory frequency | 4266 MHz | 2133 MHz |
| Bus | 4x 16 Bit | 2x 16 Bit |
| Max bandwidth | 68.2 Gb/s | 17.07 Gb/s |
| Max size | 24 GB | 12 GB |
Multimedia (ISP)
| Storage type | UFS 4.0, UFS 4.1 | UFS 2.2 |
| Max display resolution | 2960 x 1440 | 2520 x 1080 |
| Max camera resolution | 1x 320MP, 3x 32MP | 1x 108MP, 2x 16MP |
| Video capture | 4K at 60FPS | 2K at 30FPS |
| Video playback | 4K at 60FPS | 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 |
- AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
Connectivity
| 5G support | Yes | Yes |
| Download speed | Up to 5170 Mbps | Up to 3300 Mbps |
| Wi-Fi | 6 | 5 |
| Bluetooth | 6.0 | 5.4 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | December 2024 | February 2025 |
| Class | Mid range | Mid range |
| Model number | MT6899, MT6899Z | - |
| Official page | MediaTek Dimensity 8400 official site | MediaTek Dimensity 6400 official site |
Further details
Notes on Dimensity 8400:
- βDimensity 8400 Ultraβ is the same chip as βDimensity 8400β but marketed for better thermals and sustained performance.
Cast your vote
Total votes: 18