MediaTek has once again revolutionized the mid-range smartphone market with the launch of its Dimensity 8400 SoC. This chipset brings an “All-Big Core” design, a first for mid-range processors, and sets new benchmarks for performance, efficiency, and AI capabilities. Here’s everything you need to know about this cutting-edge processor.

Highlights of Dimensity 8400
- All-Big Core CPU Architecture: Eight Cortex-A725 cores clocked up to 3.25 GHz.
- Significant Upgrades: 41% faster performance and 44% less peak power usage than Dimensity 8300.
- Gaming-Ready: Arm Mali-G720 GPU with 24% better performance and 42% higher efficiency.
- AI Advancements: MediaTek Agentic AI Engine (DAE) and NPU 880 for Gen-AI tasks.
- Superior Imaging: Imagiq 1080 ISP for advanced camera capabilities.
- Enhanced Connectivity: 5G-A modem with speeds up to 5.17Gbps.

All-Big Core Design: Performance Redefined
Unlike traditional CPU designs with a mix of big, medium, and little cores, the Dimensity 8400 features eight Cortex-A725 cores running at up to 3.25GHz. MediaTek calls this the “All-Big Core” design, and it offers:
- 41% higher multi-core performance compared to the previous Dimensity 8300.
- Improved energy efficiency with 44% less peak power consumption.
- Precise control of performance and power curves for optimized usage.

AI and Gen-AI Capabilities
The Dimensity 8400 is equipped with the NPU 880, enabling support for mainstream LLM, SLM, and LMM models globally. AI features include:
- Real-time translation and rewriting.
- Contextual replies and media generation.
- AI-enhanced recording and transcription.
Moreover, MediaTek’s Agentic AI Engine (DAE) allows developers to build sophisticated agentic AI applications that adapt to user behavior, providing a seamless and personalized experience.

Immersive Gaming Experience
For gamers, the Dimensity 8400 doesn’t disappoint:
- GPU: Equipped with the Arm Mali-G720, offering:
- 24% higher peak performance.
- 42% better power efficiency compared to the Dimensity 8300.
- Gaming Features:
- MediaTek Frame Rate Converter (MFRC): Delivers smoother frame rates.
- Adaptive Gaming Technology 3.0: Real-time optimization for games and apps.
Superior Camera and Imaging
The MediaTek Imagiq 1080 ISP takes mobile photography to the next level with features such as:
- QPD Remosaic Technology: Captures more light for brighter images.
- HDR Recording: Supported across the entire zoom range for stunning videos.
- In-Sensor Zoom (IS Zoom): Enhanced focus accuracy with 100% PDAF.
- Energy Efficiency: 12% reduction in power use for 4K HDR recording.
Connectivity and Display Features
The Dimensity 8400 ensures blazing-fast connectivity and smooth visuals:
- 5G-A Modem:
- Supports 3CC-CA for better coverage.
- Peak download speeds of up to 5.17Gbps.
- Display Support:
- WQHD+ resolution with 144Hz refresh rate.
- Dual-screen compatibility.
- Wireless Standards:
- Wi-Fi 6/6E for stable connections.
- Bluetooth 5.4 for better audio and device support.
Power Efficiency and Storage
The chipset’s design ensures optimal performance without draining battery life:
- Peak power use reduced by 44% compared to its predecessor.
- Compatible with LPDDR5x RAM and UFS 4.0 storage for faster read/write speeds.


Specifications at a Glance
Feature | Details |
---|---|
CPU | 8x Cortex-A725 (3.25GHz) |
GPU | Arm Mali-G720 |
AI | NPU 880, Dimensity Agentic AI Engine |
Camera | Imagiq 1080 ISP, HDR support, QPD remosaic |
Gaming | MediaTek Frame Rate Converter, Adaptive Gaming Technology 3.0 |
Connectivity | 5G-A Modem, Wi-Fi 6/6E, Bluetooth 5.4 |
Display Support | WQHD+ resolution, 144Hz refresh rate, dual-screen compatibility |
Storage and Memory | LPDDR5x RAM, UFS 4.0 storage |
Performance Gains | 41% faster multi-core, 44% reduced peak power, 24% better GPU performance |
Energy Efficiency | 42% greater GPU power efficiency, 12% lower power for 4K HDR recording |
Smartphones Powered by Dimensity 8400
The first smartphones with the Dimensity 8400 are expected to hit the market by late 2024.
- Realme will debut the chipset in China.
- Redmi Turbo 4 and Poco X7 Pro 5G are expected to launch early next year, making the Dimensity 8400 widely accessible.
Why It Matters
MediaTek’s Dimensity 8400 brings flagship-level features to the mid-range segment, making advanced AI, superior gaming, and excellent camera performance more affordable. With its energy efficiency and innovative design, this chip is poised to challenge Qualcomm in this competitive space.
Stay tuned as more devices featuring the Dimensity 8400 become available, redefining what mid-range smartphones can achieve!