Great for matching power draw with specific PSU brands. Tips to Reduce Your PC Power Draw
HWInfo is the gold standard for system monitoring. It provides a massive amount of data, including the exact wattage used by your CPU and GPU. Extremely detailed; free for personal use. Best for: Users who want to see every sensor in their PC. 2. Open Hardware Monitor pc power consumption calculator software download
This is a lightweight, open-source alternative. It displays clock speeds, temperatures, and power consumption in a simple list format. Great for matching power draw with specific PSU brands
Identifies if your PSU is being pushed to its limit. Efficiency: Helps you undervolt components to save energy. Extremely detailed; free for personal use
The most detailed web-based tool available.
OCCT is a stability testing tool. It includes a power test that pushes your CPU and GPU to the absolute maximum to see the "worst-case scenario" power draw. Great for testing PSU limits. Best for: Stress testing and stability checks. How to Calculate Your Power Needs