CPU主频，越高越好吗？

Core Viewpoint - The article emphasizes that clock speed, once the primary metric for measuring component performance, has become less significant due to advancements in hardware design and software optimization. Modern applications are increasingly designed to leverage multi-threading, making clock speed a less reliable indicator of performance [2][3]. Group 1: Importance of Specifications - Clock speed is a deceptive metric that is often misused in marketing, as it only indicates the number of instructions a CPU can execute per second, not the overall performance [2][3]. - The evolution of multi-core CPUs has diminished the importance of clock speed, with modern applications designed to utilize multiple threads for improved performance [3][4]. - Cache size has emerged as a critical specification, with larger caches significantly impacting performance, especially in complex applications like modern open-world games [4][5]. Group 2: GPU and Memory Considerations - For GPUs, memory capacity (VRAM) has become a more crucial specification than clock speed, as modern games require more VRAM for optimal performance [6]. - The relationship between VRAM and cache size is important; for instance, a GPU with larger VRAM may not outperform one with a smaller VRAM but larger cache [6]. - Memory speed is measured in MT/s, and understanding the actual latency in nanoseconds is essential for evaluating performance, as higher speed can sometimes lead to increased latency [7][8]. Group 3: Performance Testing - Specifications alone cannot determine actual performance, as hardware interacts with other components and software, leading to various performance variables [9]. - Real-world testing is necessary to assess component performance, as different applications prioritize different specifications, such as CPU threads for video editing versus gaming [9].