MediaTek
Dimensity 8400
First All Big Core Chip for Premium Smartphones
MediaTek Dimensity
Flagship 5G Family
MediaTek Dimensity 8400
at-a-glance
MediaTek Dimensity 8400
We've raised the bar once again for incredible performance and power efficiency in premium smartphones with the MediaTek Dimensity 8400.
This chip combines an unparalleled all big core CPU design, a premium 7-core graphics engine, Gen-AI NPU for effortless creativity, brilliant HDR imaging, and a future-proof 5G-Advanced modem.
Epic All Big Core CPU
We're extending our global smartphone leadership by bringing our innovative all big core design to another tier. The Dimensity 8400 incorporates eight Arm Cortex-A725 processors, creating an epic CPU design with immense performance.
- Up to 41% higher multi-core performance*
Key Features
The Dimensity 8400 precisely controls the performance and power curve of its all big core CPU design, resulting in class-leading power efficiency. This is enhanced with significantly larger in-chip caches, ensuring that more essential data is ready for immediate use.
- 44% lower peak power use*
- Up to +100% L2 cache*
- +50% L3 cache*
- +25% SLC cache*
The Arm Mali-G720 MC7 GPU combined with MediaTek Frame Rate Converter (MFRC) provides immense gaming performance. The G720 GPU requires 30% less memory bandwidth*, increasing peak performance and extending power savings.
- >24% higher peak performance*
- -42% power use*
Benefit from a growing ecosystem of MAGT-enabled titles that can employ MediaTek’s exclusive gaming enhancement technologies.
- Higher power efficiency with MAGT
- Network Observation System (NOS) enabling precise 5G/Wi-Fi switching, improving power efficiency and optimizing network connectivity
- Touch latency optimization
The latest 8th-generation NPU offers state-of-the-art Gen-AI capabilities and exceptional in-device processing performance for common tasks such as translation, rewriting, reply crafting, AI recording, and generating photos, videos, music, and more.
The Dimensity 8400 also integrates MediaTek’s new Dimensity Agentic AI Engine (DAE), which is designed to turn traditional AI applications into sophisticated agentic AI applications.
The MediaTek NPU 880 leverages MediaTek’s growing generative AI ecosystem and supports the latest global mainstream LLM/SLM/LMMs. Meanwhile, continual improvements to the NeuroPilot toolkit allows software designers to quickly integrate the latest Gen-AI breakthroughs, enabling them to be first to market with the freshest ideas and features.
- +20% faster integer/floating-point operations*
- +18% higher power efficiency*
- +33% faster text generation (Baichuan 4B) *
- +21% faster in Stable Diffusion v1.5*
- Diffusion Transformer support
- NeuroPilot compression technology
- Mixed-precision INT4 quantization technology
- Faster LLM speculative speed support
Achieve exceptional photography and video record quality by combining QPD remosaic technology to capture more light, focus faster and more accurately, and produce high-resolution image quality that noticeably exceeds alternative platforms.
- In-sensor zoom (IS Zoom) with 100% PDAF
- HDR video recording throughout the entire zoom range
- 12% lower power 4K HDR video record*
MediaTek’s 5G-A modem is ready for markets with the next-generation of cellular networks.
- Up to 3CC-CA
- Up to 5.17 Gbps performance
- MediaTek UltraSave 3.0+ with greater 5G power efficiency*
* Compared to previous generation Dimensity platform
Key Features
CPU
Processor
- 1x Arm Cortex-A725, 1MB L2
- 3x Arm Cortex-A725, 512KB L2
- 4x Arm Cortex-A725, 256KB L2
- 6MB L3
- 5MB SLC
Cores
Octa (8)
Memory & Storage
Memory Type
LPDDR5X
Max Memory Frequency
8533Mbps
Storage Type
UFS 4 + MCQ
Connectivity
Cellular Technologies
3GPP-R16, Sub-6GHz (FR1), 2G-5G multi-mode, 5G-CA, 4G-CA, 5G FDD / TDD, 4G FDD / TDD, TD-SCDMA, WDCDMA, EDGE, GSM
Specific Functions
5G/4G Dual SIM Dual Active, SA & NSA modes; SA Option2, NSA Option3 / 3a / 3x, NR FR1 TDD+FDD, DSS, 256QAM VoNR / EPS fallback
DL Functions
FR1 LB DL 4x4 MIMO, 3CC up to 220 MHz
UL Functions
256QAM FR1 UL 2CC, FDD UL TxD
Power Savings
R16 UL Enhancement, MediaTek UltraSave 3.0+
GNSS
- GPS L1CA+L5+L1C
- BeiDou B1I+ B1C + B2a
- Glonass L1OF
- Galileo E1 + E5a
- QZSS L1CA + L5
- NavIC L5
Wi-Fi
Wi-Fi 6E (a/b/g/n/ac/ax)
Wi-Fi Antenna
2T2R
Bluetooth
5.4
Camera
Max Camera Sensor Supported
- 320MP
- 3x 32MP @ 30FPS
Max Video Capture Resolution
4K60 (3840 x 2160)
Graphics
GPU Type
Arm Mali-G720 MC7
Video Encode
- H.264 (AVC)
- H.265 (HEVC)
Video Encoding FPS
4K @ 60FPS
Video Playback
- H.264 (AVC)
- H.265 (HEVC)
- VP-9
- AV1
Video Playback FPS
4K @ 60 FPS
Display
Max Resolution
& Refresh Rate
- WQHD+ up to 144Hz
- Dual screen support
AI
AI Processing Unit
MediaTek NPU 880
(Generative AI, Agentic AI/DAE)