The MediaTek Dimensity 8400 is one of the most advanced mobile processors ever introduced in the premium smartphone segment — bringing a powerful combination of performance, efficiency, AI capabilities, gaming enhancements, and connectivity. Positioned between mid-range and flagship chips, the Dimensity 8400 offers users flagship-level experiences without flagship-level pricing.
MediaTek Dimensity 8400
What Is the MediaTek Dimensity 8400?
The MediaTek Dimensity 8400 is a high-end System on Chip (SoC) developed by MediaTek to power premium smartphones launched since late 2024 and into 2025. It stands out thanks to its All Big Core CPU architecture, advanced generative AI features, strong graphics performance, and future-ready connectivity.
Powerful All-Big-Core CPU Performance
Unlike many SoCs that mix high-performance and efficiency cores, the Dimensity 8400 uses an all-big-core CPU design featuring eight Arm Cortex-A725 cores running at up to 3.25 GHz. This configuration delivers up to 41 % higher multi-core performance compared to its predecessor, ensuring fast, responsive performance for powerful multitasking and demanding apps.
Despite the high performance, the chipset also achieves 44 % lower peak power use, thanks to intelligent power-curve control and larger in-chip caches — resulting in better battery life and thermals.
Advanced Graphics & Gaming Enhancements
For gaming, the Dimensity 8400 integrates an Arm Mali-G720 MC7 GPU designed for higher frame rates and smooth visuals. Compared to previous architectures, it offers up to 24 % higher peak performance and 42 % greater power efficiency, making it ideal for competitive mobile gaming.
Features like MediaTek Frame Rate Converter (MFRC) and HyperEngine Adaptive Gaming Technology 3.0 further refine graphics performance and touch responsiveness — delivering smoother gameplay, lower latency, and better network handling during online play.
Generative AI & Intelligent Computing
AI is a major focus with the Dimensity 8400. It includes the MediaTek NPU 880, which supports mainstream large-language and multimodal models. This enables on-device generative AI for tasks like:
Real-time translation and rewriting
Contextual replies
AI-assisted content creation (text, image, music)
Improved on-device assistants and smart features
In addition, the chip introduces MediaTek’s Dimensity Agentic AI Engine (DAE) — designed to bring intelligent, context-aware agentic AI applications to future smartphone apps without relying on cloud processing.
Imaging & Video Capabilities
The Dimensity 8400 uses the MediaTek Imagiq 1080 ISP, enabling flagship-grade photography and videography. It supports camera sensors up to 320 MP, fast focusing with QPD remosaic tech, and HDR video recording across zoom ranges — giving content creators more flexibility and better image quality.
Connectivity & Display Support
This chipset also supports 5G-Advanced modem tech with up to 5.17 Gbps speeds and enhanced network efficiency via MediaTek’s UltraSave 3.0+ power-saving features. It also offers support for:
WQHD+ displays at up to 144 Hz refresh rates
Dual-screen devices
Wi-Fi 6E and Bluetooth 5.4
These features make it ideal for future-proof devices that demand high speeds and seamless connectivity.
Real-World Smartphones Powered by Dimensity 8400
Since its launch, several premium smartphones across global markets — especially in Asia — have integrated the Dimensity 8400, offering better performance and user experiences in areas like gaming, AI tasks, multitasking, and camera shooting.
Conclusion
The MediaTek Dimensity 8400 is a standout mobile chipset that blends powerful performance, strong generative AI capabilities, gaming optimisations, and future-ready connectivity — all while maintaining energy efficiency. This balance makes it one of the most competitive processors in the premium segment of 2025 smartphones — ideal for performance-hungry users, content creators, and gamers alike.
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