Mediatek Dimensity 9400 vs Mediatek Dimensity 8400
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In this comparison, we take a closer look at two SoCs, Mediatek Dimensity 9400 vs MediaTek Dimensity 8400, based on their benchmarks and specifications. The Mediatek Dimensity 9400 comes with an octa-core CPU paired with an Arm Immortalis-G925 MC12 GPU, while the MediaTek Dimensity 8400 comes with an octa-core CPU and the Mali-G720 MP7 GPU GPU.
Why Mediatek Dimensity 9400 is better than MediaTek Dimensity 8400
- 11% Faster CPU clock speed (3620 MHz vs 3250 MHz)
- 67% higher AnTuTu score (2.70M vs 1.62M)
- Geekbench 6 shows 83% faster single-core and 41% faster multi-core performance
- 25% higher memory bandwidth (85.3 GB/s vs 68.2 GB/s)
- 113% higher compute performance (4.95 vs 2.32 TFLOPS)
- 25% higher memory frequency (5333 MHz vs 4266 MHz)
Performance scores
CPU score
Mediatek Dimensity 9400
85
MediaTek Dimensity 8400
66
GPU score
Mediatek Dimensity 9400
86
MediaTek Dimensity 8400
76
Memory score
Mediatek Dimensity 9400
100
MediaTek Dimensity 8400
90
Total score
Mediatek Dimensity 9400
90
MediaTek Dimensity 8400
77
AnTuTu 10
Mediatek Dimensity 9400 +67%
Mediatek Dimensity 9400
2,701,078
MediaTek Dimensity 8400
1,618,446
| CPU | 595,763 | 390,962 |
| GPU | 1,186,159 | 599,470 |
| MEM | 458,668 | 317,410 |
| UX | 460,488 | 310,604 |
| TOTAL | 2,701,078 | 1,618,446 |
Geekbench 6
Single-Core
Mediatek Dimensity 9400 +83%
Mediatek Dimensity 9400
2,805
MediaTek Dimensity 8400
1,534
Multi-Core
Mediatek Dimensity 9400 +41%
Mediatek Dimensity 9400
8,037
MediaTek Dimensity 8400
5,707
| Single-Core | 2,805 | 1,534 |
| Multi-Core | 8,037 | 5,707 |
General
| SoC Name | Mediatek Dimensity 9400 | MediaTek Dimensity 8400 |
| Launch Date | October 9, 2024 | December 2024 |
| Class | Flagship | Upper Mid-range |
| Model Number | MT6991 | MT6899 |
| Manufacturing | TSMC | TSMC |
CPU
| 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 |
| CPU Cores | 8 | 8 |
| Max Clock Speed | 3620 MHz | 3250 MHz |
| Architecture | ARMv9.2-A | ARMv9.2-A |
| L2 Cache | 2 MB | 1MB |
| L3 Cache | 12 MB | 6MB |
| Process Node | 3 nm (N3E) | 4nm |
| TDP | - | 7 Watts |
GPU
| GPU | Arm Immortalis-G925 MC12 | Mali-G720 MP7 GPU |
| GPU Architecture | 5th Gen Valhall Architecture | 5th Gen Valhall |
| GPU Frequency | 1612 MHz | 1300 MHz |
| Neural Processing Unit | MediaTek NPU 890 | MediaTek NPU 880 |
| Shading Units | 1536 | 128 |
| Compute Performance | 4.95 TFLOPS | 2.32 TFLOPS |
| Ray Tracing Support | Yes | Yes |
| Max Refresh Rate | 180Hz (WQHD) | 144Hz (WQHD+) |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 3.0 | 3.2 |
| DirectX | 12.1 | 12 |
Memory & Storage
| Memory Type | LPDDR5X | LPDDR5X |
| Frequency | 5333 MHz | 4266 MHz |
| Bus | 4x16-bit channels | 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 |
ISP & Multimedia
| Max Camera | 320 MP | 320MP |
| Max Display Resolution | 3840x2160 | 2960 x 1440 |
| Video Recording | 8K @ 60FPS, 4K @ 120FPS | 4K @ 60FPS |
| Video Playback | 8K @ 60FPS, 4K @ 120FPS | 4K @ 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 |
Connectivity
| Modem | Integrated 5G Modem | - |
| 4G | Yes | Yes |
| 5G | Yes | Yes (SA & NSA) |
| Download Speed | Up to 7 Gbps | Up to 5.17 Gbps |
| Upload Speed | - | - |
| Wi-Fi | Wi-Fi 7 | 6E |
| Bluetooth | 6.0 | 6.0 |
| Navigation | NavIC, GPS, GLONASS, BeiDou, Galileo, QZSS | NavIC, GPS, GLONASS, Beidou, Galileo, QZSS |