CPU Core Count vs Clock Speed: Which Matters More?

CPU Core Count vs Clock Speed: Which Matters More?

When choosing a dedicated server, it's easy to default to comparing two numbers: core count and clock speed (GHz). But neither one tells the full story on its own — the right choice depends on how your application actually uses the CPU.

What's covered:

• The difference between physical cores and logical threads
• Why a 4.0 GHz CPU isn't automatically faster than a 3.5 GHz CPU
• Single-threaded vs multi-threaded workload behavior
• Per-core performance factors: architecture, cache, branch prediction
• Amdahl's Law and diminishing returns from adding cores
• CPU priorities for gaming servers, virtualization, video encoding, and databases
• Why real-world benchmarking beats comparing spec sheets

Instead of asking "more cores or more GHz?", the better question is: how does my application use the CPU?

📖 Read the full guide: https://www.fitservers.com/blogs/server-cpu-cores-vs-clock-speed/