HiSilicon Kirin 655

HiSilicon Kirin 655: A Comprehensive Overview of the Mobile Processor

The HiSilicon Kirin 655 is a mobile system-on-chip (SoC) that has become a popular choice in mid-range smartphones since its launch. With its combination of efficiency and performance, the Kirin 655 has been designed to deliver a balanced user experience for various applications, including gaming, multimedia, and AI tasks. In this article, we will explore the architecture and technology behind the Kirin 655, its real-world performance, integrated modules, comparisons with competitors, use cases, advantages and disadvantages, practical tips for consumers, and an overall conclusion about who this processor is best suited for.

1. Architecture and Technology Process

The Kirin 655 is built on a 16nm FinFET manufacturing process, which offers a significant improvement in power efficiency compared to older processes. The SoC features an octa-core CPU architecture comprising eight Cortex-A53 cores, divided into two clusters. The first cluster includes four high-performance cores clocked at 2.12 GHz, while the second cluster consists of four power-efficient cores running at 1.7 GHz. This big.LITTLE configuration allows the Kirin 655 to switch between performance and efficiency cores based on the workload, optimizing power consumption and extending battery life.

GPU Features

The Kirin 655 is equipped with the Mali-T830 MP2 GPU, which supports OpenGL ES 3.2, OpenCL, and Vulkan APIs. The GPU operates at a frequency of up to 900 MHz, enabling decent graphics performance for gaming and multimedia applications. While it may not match the capabilities of higher-end GPUs, the Mali-T830 is well-suited for mid-range devices, providing a satisfactory experience for casual gamers and multimedia consumers.

2. Performance in Real-World Tasks

Gaming Performance

In gaming scenarios, the Kirin 655 demonstrates respectable performance for popular titles such as PUBG Mobile, Asphalt 9, and Mobile Legends. The processor's ability to switch between high-performance and power-efficient cores allows it to handle demanding tasks without overheating, although users may experience some frame drops during intense gameplay sessions. Overall, the gaming experience is solid for casual gamers, making it suitable for those who enjoy mobile gaming on a budget.

Multimedia Capabilities

The Kirin 655 excels in multimedia applications, offering smooth video playback and decent image processing capabilities. It supports 1080p video playback, and the efficient GPU allows for seamless streaming of high-definition content. Users can expect good performance while watching movies, browsing photos, or using social media apps.

AI Applications

With the growing demand for artificial intelligence (AI) features in smartphones, the Kirin 655 integrates a dedicated AI processing unit (NPU). This NPU enhances tasks such as facial recognition, image enhancement, and real-time language translation. While the AI capabilities are not as advanced as in flagship processors, they provide a noticeable improvement in user experience for supported applications.

Power Consumption and Thermal Management

The 16nm manufacturing process allows the Kirin 655 to maintain efficient power consumption levels. Under typical usage scenarios, users can expect good battery life, with devices powered by this SoC lasting a day or more on a single charge. The thermal management system is designed to prevent overheating, allowing for extended usage during intensive tasks without significant temperature increases.

3. Integrated Modules

Modem Capabilities

The Kirin 655 features an integrated LTE modem that supports Cat. 6 download speeds of up to 300 Mbps and upload speeds of up to 50 Mbps. This allows for a reliable and fast mobile internet experience, suitable for streaming, downloading, and browsing. However, it does not support 5G connectivity, as it is designed for mid-range devices released before the 5G era.

Connectivity Features

The SoC includes support for Wi-Fi 802.11 a/b/g/n/ac, enabling dual-band connectivity for faster internet access. Bluetooth 4.1 support allows for seamless pairing with peripherals such as headphones and smartwatches. The Kirin 655 also supports GPS and GLONASS for accurate location tracking, making it suitable for navigation and location-based applications.

4. Comparison with Competitors

When comparing the Kirin 655 to its predecessors and other SoCs on the market, it stands out for its balance between performance and efficiency. Compared to the Kirin 650, the 655 offers improved CPU and GPU performance due to the architectural enhancements and the new manufacturing process.

In the mid-range segment, the Kirin 655 competes with Qualcomm's Snapdragon 625 and MediaTek's Helio P20. While all three SoCs offer similar capabilities, the Kirin 655 tends to provide better performance in multitasking and multimedia applications. However, the Snapdragon 625 has been noted for its superior energy efficiency, particularly in light-use scenarios.

5. Use Cases

Gaming

For casual gamers, the Kirin 655 provides an enjoyable experience, especially for less demanding titles. Games like Candy Crush and Clash of Clans run smoothly, while more resource-intensive games may require some graphical settings adjustments for optimal performance.

Everyday Tasks

The Kirin 655 shines in everyday tasks such as browsing, social media, and basic productivity applications. It handles multitasking effectively, allowing users to switch between apps without noticeable lag. The processor's efficiency also contributes to good battery life during typical daily usage.

Advanced Photography and Videography

The Kirin 655 supports advanced camera capabilities, including dual-camera setups. It enables features such as bokeh effects, improved low-light performance, and quick autofocus. While it may not match flagship processors in terms of image processing, users can still expect quality photos and videos, making it a suitable choice for photography enthusiasts on a budget.

6. Advantages and Disadvantages

Pros

- Efficient Power Consumption: The 16nm process allows for longer battery life and less heat generation.

- Decent Performance: Good performance in everyday tasks and casual gaming.

- Integrated AI Capabilities: Enhancements in photography and user experience through AI features.

- Solid Multimedia Experience: Smooth video playback and image handling.

Cons

- Limited Gaming Performance: Not suited for high-end gaming; some frame drops may occur.

- Lack of 5G Support: As newer technologies emerge, the Kirin 655 may feel outdated without 5G capabilities.

- Average GPU Performance: While it handles most tasks well, it may struggle with graphically intensive applications.

7. Practical Tips for Consumers

When considering a smartphone powered by the Kirin 655, users should pay attention to the following aspects:

- Battery Life: Look for devices with large battery capacities to maximize the benefits of the Kirin 655's efficiency.

- RAM and Storage: Opt for models with at least 4GB of RAM and sufficient internal storage to ensure smooth multitasking and app performance.

- Camera Quality: Since the Kirin 655 supports advanced photography features, consider devices with good camera hardware to fully leverage its capabilities.

- Brand Reputation: Choose brands known for software updates and support, as this can enhance the overall user experience.

The Kirin 655 is commonly found in mid-range smartphones from Huawei and Honor, making these brands a good starting point for consumers seeking devices based on this SoC.

8. Conclusion

The HiSilicon Kirin 655 is a solid choice for users looking for a dependable mobile processor in mid-range smartphones. Its efficient architecture, decent performance in everyday tasks, and integrated AI capabilities make it suitable for a wide range of applications, from casual gaming to multimedia consumption and photography. While it may not compete with flagship SoCs in terms of raw power, its balance of efficiency and performance makes it an attractive option for users who prioritize battery life and affordability.

In summary, the Kirin 655 is well-suited for those who require a reliable mobile experience without breaking the bank. Whether you're a casual gamer, a multimedia enthusiast, or someone who simply needs a dependable smartphone for everyday tasks, the Kirin 655 delivers a commendable performance that meets the needs of a diverse range of users.