MediaTek's Dimensity 8400 Brings Advanced AI to Smartphones

sales@keepboomingtech.com

·March 28, 2025

·11 min read

The MediaTek Dimensity 8400 is a top-notch chip for smartphones. It gives great performance and saves battery power. It has eight powerful Arm Cortex-A725 processors. These make it 41% faster than the older version. The chip also uses 44% less power, helping your phone last longer. Its 7-core Arm Mali-G720 MC7 GPU makes gaming better. Games run 24% faster and use 42% less power. The NPU 880 adds smart AI features. It speeds up text creation by 33% and image editing by 21%. These upgrades make the Dimensity 8400 a leader in smartphone chips. It sets a new level for high-performance phones.

Key Takeaways

The MediaTek Dimensity 8400 chip works 41% faster and uses 44% less power than the older version, making phones more efficient.
Its smart AI tools, powered by the NPU 880, help create text 33% faster and edit pictures 21% quicker, making tasks simple.
The Arm Mali-G720 MC7 GPU makes games run 24% better while using 42% less power, giving a fun gaming experience without draining the battery.
With a built-in 5G-A modem, the Dimensity 8400 allows faster internet and less delay, perfect for streaming and gaming in crowded areas.
The chip uses LPDDR5X memory and UFS 4.0 storage to make apps open 15% faster and reduce start-up times by 20%.

All Big Core Design: Changing Smartphone Power

Eight-Core Arm Cortex-A725 Setup

The MediaTek Dimensity 8400 has eight powerful Arm Cortex-A725 cores. This design makes smartphones faster and more efficient. It uses the Armv9.2 setup, which is 25% better than the older Cortex-A720. Each core runs at a top speed of 3.25 GHz. This helps with heavy apps and tasks. The chip also has a bigger L2 cache. This speeds up data access and reduces delays.

Main features of the Cortex-A725 include:

3nm tech for better energy use.
Smart power control to save battery.
Power-down modes for low activity times.

This setup improves speed and saves energy, perfect for today’s smartphones.

Better Multitasking and Efficiency

The Dimensity 8400’s big core design is great for multitasking. Its eight cores work together to handle many tasks at once. This makes it 41% faster than older chips. Users can switch between apps easily, even with games or video editing.

The chip uses 44% less power at its peak, helping the battery last longer. The Arm Mali-G720 MC7 GPU adds 24% more speed while using 42% less energy. These upgrades make the Dimensity 8400 fast and energy-smart.

Smarter Caching and Power Saving

The Dimensity 8400 improves caching and power saving. The L2 cache is now twice as big. The L3 cache is 50% larger, and system cache grew by 25%. This makes apps run smoother and data load faster.

Power saving is also better. The chip uses 44% less power at its peak. Features like smart voltage control and power-saving modes help save energy. These updates make the Dimensity 8400 a strong and efficient chip for smartphones.

Cache Type	Improvement
L2 Cache	Twice as big
L3 Cache	50% bigger
System-Level Cache	25% bigger
Peak Power Use	44% lower

With smarter caching and power saving, the Dimensity 8400 gives users a smooth and efficient experience.

Advanced AI Features: Making Smartphones Smarter

MediaTek NPU 880 and AI Tools

The MediaTek Dimensity 8400 has the NPU 880 chip. This chip makes AI tasks faster and saves energy. It boosts speed by 20% and uses 18% less power. The NPU supports advanced AI tools like real-time translation and content creation. For example, it speeds up text creation by 33%. It also makes image editing 21% faster with tools like Stable Diffusion v1.5.

Improvement Type	Percentage Boost
Processing Speed	+20%
Power Efficiency	+18%
Text Creation	+33%
Image Editing	+21%

The NeuroPilot toolkit helps the chip handle big AI models. It can process 22 tokens per second. This is twice as fast as other chips.

Bar chart showing AI improvement percentages

Dimensity Agentic AI Engine for Smarter Apps

The Dimensity Agentic AI Engine makes apps smarter. It learns how you use your phone and adjusts to your needs. This creates a more personal and helpful experience. It turns your phone into a smart assistant by adapting to your habits.

Tests show it speeds up text creation by 33%. It also makes image editing 21% faster. These features are great for apps that need quick changes, like smart assistants. The NPU 880’s speed and energy-saving features make it a leader in AI technology.

Faster Text and Image Tasks

The Dimensity 8400 is great for text and image tasks. The NPU 880 and Agentic AI Engine work together for better results. Text tasks like captions or translations are 33% faster. Image editing is 21% quicker, helping both creators and regular users.

These updates show MediaTek’s focus on improving AI in smartphones. With these tools, the Dimensity 8400 gives users smarter and smoother experiences.

GPU and Gaming: Better Graphics and Energy Use

Arm Mali-G720 MC7 GPU Features

The MediaTek Dimensity 8400 has the Arm Mali-G720 MC7 GPU. This GPU improves mobile gaming graphics and saves energy. It uses Deferred Vertex Shading (DVS) for better visuals and efficiency. Made for high-end games, it supports advanced graphics for AAA titles. Compared to the older Mali-G715, it is 15% faster on average. At its best, it performs 24% better. It also uses 42% less power, perfect for long gaming sessions.

Feature	Improvement
Average Speed Increase	15% over Mali-G715
Best Performance Boost	24%
Power Use Reduction	42%

These upgrades make games smoother, graphics faster, and save energy. It sets a new level for mobile gaming visuals.

MediaTek Frame Rate Converter and Smart Gaming Tech

MediaTek's Frame Rate Converter (FRC) keeps frame rates steady. This stops stuttering and screen tearing during games. The smart gaming tech adjusts performance based on game needs. It balances resources for smooth gameplay. These tools make games more responsive and look better. Gamers enjoy a seamless and fun experience.

Tip: Smart gaming tech helps save battery by managing power wisely.

Better Power Use for Gaming

The Dimensity 8400 is great at saving power for gaming. The Mali-G720 GPU lowers memory use by 30%. This helps cut power use by 42%. Gamers can play longer without losing performance. The chip’s design also runs heavy games smoothly while saving energy.

Metric	Improvement
Memory Use Reduction	30% less
Best Performance Boost	>24% higher
Power Use Cut	-42%

These changes show MediaTek’s focus on great gaming and energy savings.

Connectivity and Memory: Smooth Performance for Modern Phones

5G-A Modem and Wireless Features

The MediaTek Dimensity 8400 has a built-in 5G-A modem. This modem makes phone connections faster and more reliable. It supports three-carrier aggregation and reaches download speeds up to 5.17 Gbps. It works well in busy places like cities or events. The modem also lowers delays and boosts bandwidth. This is great for streaming, gaming, and video calls.

Feature	5G Technology	Older Versions
Device Support	Up to 1 million devices in 0.386 sq mi	Fewer devices supported
Speed	Much faster speeds	Slower data rates
Latency	Very low latency	Higher delays
Bandwidth	Better bandwidth	Limited bandwidth
Power Use	Uses less power	More power needed

This 5G modem gives strong connections while saving energy. It’s a key feature of the Dimensity 8400 chip.

LPDDR5X Memory and UFS 4.0 Storage

The Dimensity 8400 uses LPDDR5X memory and UFS 4.0 storage. These make phones faster and more efficient. LPDDR5X memory helps apps run smoothly by speeding up data access. UFS 4.0 storage improves read and write speeds a lot. Apps open 15% faster, and boot times are 20% quicker. UFS 4.0 also uses 25% less power, helping the battery last longer.

UFS 4.0 reads at 4,300MB/s and writes at 4,000MB/s.
Download two hours of 4K video in under 15 seconds.

These upgrades make the Dimensity 8400 perfect for smooth and fast phone use.

Faster Speeds and Reliable Use

With its 5G-A modem, LPDDR5X memory, and UFS 4.0 storage, the Dimensity 8400 is super fast and dependable. It handles quick downloads, low-latency connections, and multitasking with ease. Whether watching 4K videos, gaming online, or using many apps, this chip works smoothly. MediaTek designed it to meet modern needs with strong connections and advanced memory features.

Comparing Dimensity 8400 to Older Versions

Performance Boosts Over Dimensity 8300

The MediaTek Dimensity 8400 is much better than the Dimensity 8300. Its eight-core Arm Cortex-A725 processor runs up to 3.25 GHz. This makes it 41% faster for multitasking and app launches. It also uses 44% less power, saving battery life for daily use.

The improved cache system helps handle data better. The L2 cache is now twice as big. The L3 cache grew by 50%, and the system cache increased by 25%. These changes make gaming, video editing, and AI tasks smoother. Users will notice faster responses and easier use for many activities.

Borrowed Features from Dimensity 9400

The Dimensity 8400 includes features from the high-end Dimensity 9400. This brings advanced tech to more people. The table below shows key upgrades:

Feature	Dimensity 9400	Dimensity 8400
CPU Architecture	High-End	Adapted
L2 Cache Size	Older Version	Doubled
L3 Cache Size	Older Version	50% Bigger
System-Level Cache	Older Version	25% Bigger
Power Efficiency	Excellent	Improved
Memory Type	LPDDR5	LPDDR5X
Memory Speed	Up to 6400 Mbps	Up to 8533 Mbps
Storage Type	UFS 3.1	UFS 4.0
Architecture Design	Mixed Core	All Big Core

These updates make the Dimensity 8400 powerful and energy-smart while staying affordable.

Making High-End Tech Affordable

The MediaTek Dimensity 8400 brings advanced tech to more phones. It has the NPU 880 for smart AI tasks and the Arm Mali-G720 MC7 GPU for gaming. LPDDR5X memory and UFS 4.0 storage make phones faster and more efficient.

This chip helps phone makers create powerful devices at lower prices. Phones like the Xiaomi Redmi Turbo 4 and Realme Neo 7 SE show how the Dimensity 8400 makes high-end features affordable. Users get great performance and smart AI tools without spending too much.

The MediaTek Dimensity 8400 raises the bar for smartphones. Its All Big Core design and smart AI features improve speed and efficiency. The upgraded GPU and memory make phones faster and smoother. Better connectivity ensures a hassle-free experience for users. MediaTek adds cool features like high refresh rates, Wi-Fi 7, and energy-saving AI tools. These updates bring top-tier tech to more people at affordable prices.

Note: Tests show MediaTek leads with almost double Geekbench 6 scores and over 213,000 on AnTuTu.

What makes the MediaTek Dimensity 8400 special?

The Dimensity 8400 is unique because of its powerful design. It has an eight-core Arm Cortex-A725 processor for speed. The NPU 880 handles smart AI tasks, and the Mali-G720 MC7 GPU improves gaming. These features give top performance at a lower cost.

How does the Dimensity 8400 make gaming better?

The Mali-G720 MC7 GPU makes gaming faster and smoother. It uses less power and improves graphics with Deferred Vertex Shading (DVS). MediaTek's Frame Rate Converter keeps gameplay steady. Gamers get 24% better speed and save 42% on power compared to older GPUs.

Does the Dimensity 8400 work with 5G?

Yes, the Dimensity 8400 has a 5G-A modem for fast connections. It supports three-carrier aggregation and download speeds up to 5.17 Gbps. It also reduces delays, making it great for streaming, gaming, and video calls in busy places.

What are the advantages of LPDDR5X memory and UFS 4.0 storage?

LPDDR5X memory makes data load faster, and UFS 4.0 speeds up reading and writing. Apps open 15% quicker, and boot times improve by 20%. These features also use less power, helping the battery last longer.

Which phones use the Dimensity 8400?

Phones like the Xiaomi Redmi Turbo 4 and Realme Neo 7 SE use the Dimensity 8400. These phones offer great performance, smart AI tools, and excellent gaming at affordable prices. They bring high-end features to more people.