MediaTek has officially unveiled the Dimensity 8400, marking a significant advancement in the upper-midrange smartphone segment with all-big-core CPU architecture, which is a first in this segment.
Cores and Architecture
The Dimensity 8400 features an octa-core configuration comprising eight Arm Cortex-A725 cores, with clock speeds reaching up to 3.25 GHz. This design delivers a substantial 41% enhancement in multi-core performance compared to its predecessor, the Dimensity 8300.
Additionally, the new architecture achieves a 44% reduction in peak power consumption, optimizing both performance and energy efficiency.
GPU and Graphics Capabilities
Equipped with the Arm Mali-G720 MC7 GPU, the Dimensity 8400 offers a 24% increase in peak performance while reducing power usage by 42%. This improvement ensures smoother graphics rendering and enhanced gaming experiences, complemented by optimizations in touch latency for more responsive interactions.
Artificial Intelligence Enhancements
The integrated MediaTek NPU 880 accelerates AI processing, delivering a 20% boost in integer and floating-point operations. Notably, it enhances large language model text generation by 33% and improves efficiency in tasks like Stable Diffusion 1.5 by 21%, facilitating more advanced AI-driven applications and features.
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Imaging and Camera Support
The Imagiq 1080 Image Signal Processor (ISP) within the Dimensity 8400 supports camera sensors up to 320 MP. It offers in-sensor zoom with 100% phase detection autofocus (PDAF) and enables HDR video recording across the entire zoom range.
Moreover, it achieves a 12% reduction in power consumption during 4K HDR video capture, enhancing both imaging capabilities and energy efficiency.
Connectivity and Display Support
The new 5G-A modem integrated into the Dimensity 8400 provides download speeds of up to 5.17 Gbps, ensuring rapid and reliable connectivity. The chipset supports displays with resolutions up to WQHD+ and refresh rates up to 144 Hz, catering to high-definition and high-refresh-rate display requirements.
It is compatible with LPDDR5X RAM and UFS 4.0 storage, and includes support for Wi-Fi 6E and Bluetooth 5.4, offering comprehensive connectivity options for modern devices.
Here’s a table summarizing the key specifications of the MediaTek Dimensity 8400:
| Specification | Details |
|---|---|
| CPU | 8x Arm Cortex-A725 cores, up to 3.25 GHz |
| GPU | Arm Mali-G720 MC7, 24% higher peak performance, 42% lower power use |
| AI Engine | MediaTek NPU 880, 20% faster integer/floating-point operations, 33% better LLM text generation |
| Camera Support (ISP) | Imagiq 1080, supports up to 320 MP sensors, 100% PDAF, HDR video, 12% less power in 4K HDR video |
| Connectivity | 5G-A modem, up to 5.17 Gbps download speeds, Wi-Fi 6E, Bluetooth 5.4 |
| Display Support | WQHD+ resolution, up to 144 Hz refresh rate |
| Memory and Storage | LPDDR5X RAM, UFS 4.0 storage |
| Performance | 41% multi-core performance improvement over Dimensity 8300 |
| Power Efficiency | 44% reduction in peak power use |
| Cache Improvements | 100% more L2, 50% more L3, 25% more SLC cache compared to Dimensity 8300 |
