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.
Why Mediatek Dimensity 9400 is better than MediaTek Dimensity 8450
- 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)
Why MediaTek Dimensity 8450 is better than Mediatek Dimensity 9400
- Released 7 months later - (May 2025 vs October 9, 2024)
Performance Scores
CPU score
Mediatek Dimensity 9400
85
MediaTek Dimensity 8450
68
GPU score
Mediatek Dimensity 9400
86
MediaTek Dimensity 8450
76
Memory score
Mediatek Dimensity 9400
100
MediaTek Dimensity 8450
90
Total score
Mediatek Dimensity 9400
90
MediaTek Dimensity 8450
78
AnTuTu 10
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
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 |