Power & Temperature
On this page, we are going to explore power and temperature. We will do full-load testing in Cinebench 2026 for Multi-Core power and temperature. We will also do gaming-specific power and temperature by playing Cyberpunk 2077. All of our data has been captured with HWiNFO64.
CPU Power Full-Load

In our full-load all-core CPU power testing, both CPUs are hitting their PPT power limits. This means the Ryzen 9 9950X consumes about 40W more than the Ryzen 9 9900X, or 24% more power. Consequently, this is the same performance percentage difference we experienced in our multi-thread multi-core benchmarks, so the power and performance scale linearly.
CPU Power Gaming

When just gaming, the AMD Ryzen 9 9950X does still use more power, but not a lot; it’s about 14W more power, or 10% more power consumed while gaming. Since the performance advantages were mostly smaller than this, it consumes a bit more power than the performance increase we experience while actually gaming.
CPU Temperature Full-Load

When running full-load, all-cores, both CPUs are about 10 degrees apart in package temperature, with the Ryzen 9 9950X running at 82c, while the Ryzen 9 9900X runs cooler at 72c.
CPU Temperature Gaming

When gaming, the AMD Ryzen 9 9950X also runs warmer, at close to 79c, while the Ryzen 9 9900X runs cooler at 73c while gaming.

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