The Dimensity 8400 is an upgraded version of last year’s Dimensity 8300 and is set to debut in smartphones soon.
The upcoming Redmi Turbo 4 will be the first smartphone to feature the Dimensity 8400 Ultra. For clarification, the Dimensity 8400 Ultra is expected to offer similar performance to the standard Dimensity 8400.
When focusing on the vanilla Dimensity 8400, the key question is: how much of an improvement does it offer compared to the Dimensity 8300?
Here’s the Dimensity 8400 vs 8300 comparison to help you understand the performance differences between these two CPUs.
Dimensity 8400 vs 8300 Specs
Please note that complete details about the Dimensity 8400 are not yet available. However, we have gathered the most critical information. As more details become available, we will update this comparison accordingly.
| Details | Dimensity 8400 | Dimensity 8300 |
|---|---|---|
| Launch Date | December 2024 | November 2023 |
| Process | 4nm TSMC | 4nm TSMC |
| CPU | 1x 3.25GHz- Cortex-A725, 3x 3.0GHz- Cortex-A725, 4x 2.1GHz- Cortex A725 | 4x 3.35 GHz- Cortex-A715, 4x 2.2 GHz- Cortex-A510 |
| Cores | 8 | 8 |
| Instruction set | ARMv9-A | ARMv9-A |
| TDP | – | 5.8W |
| GPU | ARM Mali-G720 MC7 | ARM Mali-G615 MC6 |
| GPU Architecture | – | Valhall 4th gen |
| GPU Frequency | – | 1400 MHz |
| Neural processor (NPU) | MediaTek NPU 880 | MediaTek APU 780 |
| Memory | LPDDR5X | LPDDR5X |
| Memory frequency | 4266 MHz | 4266 MHz |
| Max size | 24GB | 24GB |
| Storage type | UFS 4.0 | UFS 4.0 |
| Max display resolution | – | 2960 x 1440 |
| Max camera resolution | 1x 320MP, 3x 32MP | 1 x 320MP |
| Video recording | 4K@60fps | 4K@60fps |
| Modem | – | MediaTek T800 |
| 4G | Yes | LTE Cat. 24 |
| 5G | Yes | Yes |
| Download speed | – | Up to 7900 Mbps |
| Upload Speed | – | Up to 4200 Mbps |
| Wi-Fi | 6E | 6E |
| Bluetooth | 5.4 | 5.4 |
The standout feature of the Dimensity 8400 is its all-big-core configuration, a trait previously seen in last year’s flagship Dimensity 9300 and continuing with this year’s Dimensity 9400 flagship.
The Dimensity 8400 features an all-Cortex-A725 core setup in a 1+3+4 configuration, ensuring top-tier performance.
Although the Dimensity 8300 boasts a higher peak frequency of 3.35GHz compared to the 3.25GHz of the Dimensity 8400, the actual performance of the 8400 is superior. This improvement is attributed to the Cortex-A725 cores in the 8400, which outperform the Cortex-A715 cores used in the 8300.
Performance Benchmarks
| Test | Dimensity 8400 | Dimensity 8300 |
|---|---|---|
| AnTuTu | 160000 to 1770501 | 1320000 to 1497000 |
| Single Core | 1650 | 1440 |
| Multi Core | 6000 | 4300 |
Thanks to its faster and more powerful cores, the company claims a 41% improvement in multi-core performance with the Dimensity 8400.
While the actual difference might not reach 41%, it is clear that the Dimensity 8400 is significantly more powerful than the 8300.
It’s worth noting that the Dimensity 8300 is already a strong performer, and the overall performance difference between these two CPUs is estimated to be around 20-25%.
Everyday Performance
In everyday tasks, you might not notice a significant difference between the two. Why? Because the Dimensity 8300 is already a highly capable CPU, more than powerful enough to handle day-to-day activities.
Both CPUs handle everyday tasks effortlessly, making activities like using the camera, multitasking, and app switching smooth and seamless.
While the Dimensity 8400 feels smoother and faster, the Dimensity 8300 is no less powerful and delivers an equally fast and reliable experience.
Gaming and Editing
When it comes to gaming or video editing, the difference becomes noticeable. The newer ARM Mali-G720 MC7 GPU in the Dimensity 8400 is claimed to deliver 24% more peak performance, with real-world gains expected to be around 20%.
This means you can enjoy smoother gameplay on smartphones powered by the Dimensity 8400, even with demanding titles.
The more powerful GPU also translates to faster video rendering, making the Dimensity 8400 well-suited for video editing tasks.
Overall, for intensive workloads such as gaming, video editing, or other resource-heavy tasks, the Dimensity 8400 offers noticeably faster performance.
You might also like the Dimensity 8300 vs 8300 Ultra comparison.
Power Efficiency
Another impressive aspect of the Dimensity 8400 is its ability to deliver enhanced performance while consuming less power across nearly every area.
For instance, in graphical performance, the Dimensity 8400 is claimed to provide 24% more power while using 41% less energy. Similarly, in CPU performance, the company claims a 44% reduction in peak power consumption. Even in 4K video recording, the Dimensity 8400 is said to consume 12% less power.
While company figures tend to be optimistic, you can still expect notable improvements in power efficiency across the board.
Overall, the Dimensity 8400 is designed to be more power-efficient. However, actual results will also depend on how smartphone manufacturers optimize and manage power usage.
Other Improvements
The Dimensity 8400 offers improvements in various other aspects, including:
- Cache Enhancements: Features 100% more L2 cache, 50% more L3 cache, and 25% more system-level cache (SLC).
- Advanced AI Performance: Powered by the more capable MediaTek 880 NPU, enabling faster and more efficient AI tasks.
- Improved Computing Power: Delivers 20% faster integer and floating-point operations.
- Better Efficiency: Enhances overall efficiency by 18% and offers a 21% improvement in tasks like Stable Diffusion 1.5.
- Upgraded Imaging Capabilities: Equipped with an improved ISP, enabling in-sensor zoom with 100% PDAF and HDR video recording across all zoom levels.
Also check the Dimensity 7300 vs 7300X comparison.
Conclusion
Undoubtedly, the MediaTek Dimensity 8400 is a mid-flagship CPU capable of effortlessly handling demanding tasks.
If smartphone manufacturers optimize this CPU to its full potential, it can easily outperform its competitors and deliver exceptional raw performance for its price point.
While the Dimensity 8300 is a strong performer, the Dimensity 8400 is significantly improved overall.
Don’t be fooled between the Dimensity 7300 and 7200.
