MediaTek Dimensity 9400 vs MediaTek Dimensity 8400
Across 12 measured categories, the MediaTek Dimensity 9400 comes out ahead.
I put the MediaTek Dimensity 9400 and the MediaTek Dimensity 8400 side by side to see how they really compare. On graphics, the MediaTek Dimensity 9400 runs the Arm Immortalis-G925 MC12 GPU while the MediaTek Dimensity 8400 runs the Mali-G720 MP7 GPU. Below I go through the CPU, GPU, memory and connectivity, then the benchmark scores, so you can work out which one is the better fit for you.
Where each chip wins
MediaTek Dimensity 9400
9 advantages
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38% higher AnTuTu score
27.27 Lakhs vs 19.78 Lakhs
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25% faster Geekbench multi-core score
7,704 vs 6,179
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62% faster Geekbench single-core score
2,579 vs 1,595
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370 MHz higher CPU clock
3620 MHz vs 3250 MHz
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Larger L3 cache
12 MB vs 6MB
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1 nm smaller semiconductor size
3 nm vs 4nm
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Higher GPU FLOPS
4952 GFLOPS vs 2300 GFLOPS
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1,067 MHz higher RAM speed
5333 MHz vs 4266 MHz
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Newer storage standard
UFS 4.1 vs UFS 4.0
MediaTek Dimensity 8400
0 advantages
- No standout advantages for this chip.
Benchmark charts
AnTuTu v11 Total
Geekbench Single-Core
Geekbench Multi-Core
Specifications Comparison
Here is how the MediaTek Dimensity 9400 and the MediaTek Dimensity 8400 compare across every spec. In each row, the stronger value is highlighted so the differences are easy to spot.
| Launch Date | October 9, 2024 | December 2024 |
|---|---|---|
| Chipset Class | Flagship | Upper Mid-range |
| Manufacturer | MediaTek | MediaTek |
| Model Number | MT6991 | MT6899 |
| Total Cores | 8 | 8 |
|---|---|---|
| Core Configuration | 1x 3.62 GHz - Cortex X925 3x 3.3 GHz - Cortex X4 4x 2.4 GHz - Cortex A720 |
1x 3.25GHz - Cortex-A725 3x 3.0GHz - Cortex-A725 4x 2.1GHz - Cortex-A725 |
| Max Frequency | 3620 MHz | 3250 MHz |
| Instruction Set | ARMv9.2-A | ARMv9.2-A |
| Process Node | 3 nm | 4nm |
| Manufacturing | TSMC | TSMC |
| L2 Cache | 2 MB | 1MB |
| L3 Cache | 12 MB | 6MB |
| TDP | - | 7 W |
| GPU Name | Arm Immortalis-G925 MC12 GPU | Mali-G720 MP7 GPU |
|---|---|---|
| GPU Frequency | 1612 MHz | 1300 MHz |
| Shading Units | 1536 | 128 |
| FLOPS | 4952 GFLOPS | 2300 GFLOPS |
| Ray Tracing Support | Yes | Yes |
| NPU | MediaTek NPU 890 | MediaTek NPU 880 |
| API Support | Vulkan 1.3, OpenGL ES 3.2, OpenCL 2.0 | OpenGL ES 3.2, OpenCL 3.0, Vulkan 1.3 |
| RAM Type | LPDDR5X | LPDDR5X |
|---|---|---|
| RAM Frequency | 5333 MHz | 4266 MHz |
| Memory Bus | 4x16-bit | 4x 16-bit |
| Max Bandwidth | 85.3 GB/s | 68.2 GB/s |
| Max RAM Size | 24 GB | 24GB |
| Storage Type | UFS 4.1 | UFS 4.0 |
| Camera Support | 320 MP | 320MP |
|---|---|---|
| Video Capture | 8K at 60FPS, 4K at 120FPS | 4K @ 60FPS |
| Max Display Resolution | 4K | WQHD+ |
| Video Playback | 8K at 60FPS, 4K at 120FPS | 4K at 60FPS |
| Video Codecs | H.264, H.265, HEVC, VP9, AV1, AVC | H.264, H.265, AV1, VP9 |
| Audio Codecs | AAC LC, FLAC, HE-AACv1, HE-AACv2, MP3 | AAC LC, FLAC, HE-AACv1, HE-AACv2, MP3 |
| Modem | - | - |
|---|---|---|
| Network Support | 5G | 5G |
| Download Speed | 7 Gbps | 5.17 Gbps |
| Upload Speed | 3.5 Gbps | 1.28 Gbps |
| Wi-Fi | 7 | 6E |
| Bluetooth | 6.0 | 6.0 |
| Navigation | NavIC, GPS, GLONASS, BeiDou, Galileo, QZSS | NavIC, GPS, GLONASS, Beidou, Galileo, QZSS |
| Official page | Visit | Visit |
|---|
Benchmark results
| Total | 27,27,422 | 19,77,584 |
|---|---|---|
| CPU | 8,49,678 | 6,20,628 |
| GPU | 9,32,204 | 6,40,290 |
| Memory | 3,52,736 | 2,82,939 |
| UX | 5,92,804 | 4,33,737 |
| Single-Core | 2,579 | 1,595 |
|---|---|---|
| Multi-Core | 7,704 | 6,179 |
Overall Score
Each category scored out of 100.
| Category | MediaTek Dimensity 9400 | MediaTek Dimensity 8400 |
|---|---|---|
| CPU Score |
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| GPU Score |
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| Memory Score |
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| Total Score |
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