How to choose between multi-core servers and high-frequency servers? Which one is better: higher frequency or more cores?

When choosing server hardware, multi-core and high frequency are two very important indicators. Multi-core means that the server has multiple CPU cores and can run multiple threads at the same time; while high frequency means the number of instructions that the CPU can execute per second, which is the running speed of the CPU.Server rack cabinet However, multi-core and high frequency are not exactly the same indicators. They each have their own advantages and disadvantages, so you need to choose based on actual needs.

Advantages of multi-core servers:

Strong parallel processing capabilities: Multi-core servers can run multiple threads at the same time, which can greatly improve the parallel processing capabilities of the server, thus improving the overall performance of the server.

Suitable for running multi-task applications: Multi-core servers can run multiple applications at the same time and are suitable for running multi-task applications, such as virtualization, containerization, big data processing,rack 42u scientific computing and other fields.

More stable and reliable: Multi-core servers can allocate tasks to different cores through load balancing and other technologies, thereby reducing the load on a single core and improving the stability and reliability of the server.

Disadvantages of multi-core servers:

Weak single-core performance: Multi-core servers usually have a lower main frequency for each core,server rack server so the single-core performance is relatively weak and not suitable for running applications that require single-core performance.

Higher cost: Multi-core servers are usually more expensive than single-core servers with the same main frequency.

Not conducive to energy saving: Multi-core servers need to consume more power and heat dissipation capabilities, so they are not conducive to energy saving.

Advantages of high frequency servers:

Strong single-core performance: High-frequency servers usually have strong single-core performance and are suitable for running applications that require single-core performance, such as databases and web applications.

Relatively low price: Compared with multi-core servers with the same number of cores, high-frequency servers are usually sold at a lower price, so the cost is relatively low.

Good energy-saving effect: High-frequency servers usually have higher energy-saving effect, which can reduce energy consumption and heat dissipation while ensuring performance.

Disadvantages of high frequency servers:

Weak parallel processing capabilities: High-frequency servers usually have only one or a few CPU cores and cannot handle multiple threads at the same time, so their parallel processing capabilities are relatively weak.

Not suitable for multi-tasking applications: High-clocked servers are suitable for running applications that require single-core performance, but are not suitable for running applications that require multi-tasking capabilities.

Poor stability and reliability: Due to the high single-core load of high-frequency servers.