Mediatek Dimensity 9400 vs Mediatek Dimensity 8450
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In this comparison, we take a closer look at two SoCs, Mediatek Dimensity 9400 vs MediaTek Dimensity 8450, 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 8450 comes with an octa-core CPU and the Mali-G720 MP7 GPU.
Key Advantages
Top Reasons to Choose the Mediatek Dimensity 9400
- Geekbench 6 shows 72% faster single-core and 26% faster multi-core performance
- 26% higher AnTuTu score (2.70M vs 2.15M)
- 11% Faster CPU clock speed (3620 MHz vs 3250 MHz)
- More advanced 3 nm process vs 4 nm
- 25% higher memory bandwidth (85.3 GB/s vs 68.2 GB/s)
- 113% higher compute power (4.95 TFLOPS vs 2.329 TFLOPS)
- 25% higher memory frequency (5333 MHz vs 4266 MHz)
Top Reasons to Choose the MediaTek Dimensity 8450
- Released 7 months later - (May 2025 vs October 9, 2024)
Overall Score
| CPU Score |
85
|
68
|
| GPU Score |
86
|
76
|
| Memory Score |
100
|
90
|
| Total Score |
90
|
78
|
AnTuTu 11 Score
Mediatek Dimensity 9400 +26%
Mediatek Dimensity 9400
2,701,078
MediaTek Dimensity 8450
2,147,254
| CPU | 595,763 | 682,926 |
| GPU | 1,186,159 | 654,568 |
| MEM | 458,668 | 281,299 |
| UX | 460,488 | 528,461 |
| TOTAL | 2,701,078 | 2,147,254 |
Geekbench 6 Score
Single-Core
Mediatek Dimensity 9400 +72%
Mediatek Dimensity 9400
2,805
MediaTek Dimensity 8450
1,630
Multi-Core
Mediatek Dimensity 9400 +26%
Mediatek Dimensity 9400
8,037
MediaTek Dimensity 8450
6,375
| Single-Core | 2,805 | 1,630 |
| Multi-Core | 8,037 | 6,375 |
General
| Chipset | Mediatek Dimensity 9400 | MediaTek Dimensity 8450 |
| Launch Date | October 9, 2024 | May 2025 |
| Class | Flagship | Upper Mid-range |
| Model Number | MT6991 | - |
| 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 3.25 GHz - Cortex-A725 3x 3.0 GHz - Cortex-A725 4x 2.1 GHz - Cortex-A725 |
| CPU Cores | 8 | 8 |
| Max Clock Speed | 3620 MHz | 3250 MHz |
| Architecture | ARMv9.2-A | ARMv9.2-A |
| L2 Cache | 2 MB | 1 MB |
| L3 Cache | 12 MB | 6 MB |
| Process Node | 3 nm (N3E) | 4 nm |
| TDP | - | 7 W |
GPU
| GPU Name | Arm Immortalis-G925 MC12 | Mali-G720 MP7 |
| GPU Frequency | 1612 MHz | 1300 MHz |
| Neural Processing Unit | MediaTek NPU 890 | MediaTek NPU 880 |
| Shading Units | 1536 | 128 |
| Compute Performance | 4.95 TFLOPS | 2.329 TFLOPS |
| Ray Tracing Support | Yes | Yes |
| 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 | 24 GB |
| Storage Type | UFS 4.1 | UFS 4.0 |
ISP & Multimedia
| Max Camera | 320 MP | 320MP |
| Video Capture | 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 |
| Display Support | 3840x2160 | 2960 x 1440 (WQHD+) |
Connectivity
| Modem | Integrated 5G Modem | - |
| 4G Support | Yes | Yes |
| 5G Support | Yes | Yes |
| Download Speed | Up to 7 Gbps | Up to 5.17 Gbps |
| Upload Speed | - | Up to 2.30 Gbps |
| Wi-Fi | Wi-Fi 7 | 6E |
| Bluetooth Version | 6.0 | 6 |
| Navigation | NavIC, GPS, GLONASS, BeiDou, Galileo, QZSS | NavIC, GLONASS, BeiDou, Galileo, QZSS |