Overclocking
Running a CPU, GPU, or RAM at speeds higher than the manufacturer's rated specifications to extract more performance. Increases heat output and power consumption.
What is overclocking?
Overclocking means pushing a processor beyond its factory-rated speed. A CPU rated at 5.0 GHz boost clock might run stably at 5.3 GHz with proper cooling and voltage adjustments, providing 5-15% more performance for free.
Modern CPUs and GPUs already boost aggressively out of the box, so manual overclocking headroom is smaller than it was a decade ago. The best gains come from RAM overclocking — enabling XMP/EXPO profiles to run DDR5 at its rated speed (which is technically an overclock from the base JEDEC spec).
Frequently Asked Questions
Is overclocking safe?
Yes, with proper cooling and reasonable settings. Modern CPUs have thermal protection that shuts them down before damage occurs. The main risk is instability (crashes, blue screens) from pushing too far. Start with small increments and stress test each step.
Does overclocking void the warranty?
It depends on the manufacturer. AMD and Intel "unlocked" CPUs (K/X-series) are designed for overclocking and generally covered. GPU overclocking via software (MSI Afterburner) is widely considered safe and rarely voids warranties.