AMD Ryzen 7 7800X3D CPU Review: Performance, Thermals & Power Analysis

Power Consumption

I use the Powenetics system to measure power consumption in every significant part of the mainboard, with up to 1000 readings per second.

Peak Power Consumption

I obtained the peak power consumption readings shown in the graph above during the start of the Prime95 benchmark.

There are no power spikes in the 7800X3D, as you can see in the graphs above. On the contrary, this is not the case for the 13900K.

Energy Usage

The 7800X3D is highly efficient!

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4 thoughts on “AMD Ryzen 7 7800X3D CPU Review: Performance, Thermals & Power Analysis

    1. I believe there is no point in losing more time in every CPU review for 4K testing, even QHD, since the GPU sets the limits in these resolutions and not the CPU. Wish I had more time for every review, but I don’t.

  1. Looking at the 2nd page – so it’s just a (low level) ppm driver lingering in the system that was likely ignored by amd installer after (other) reviewers switched the cpu ? techpowerup reviewer claims he had to reinstall windows.

    If device manager/sc.exe or registry and/or powercfg.exe (or any combination of those) was all that it took to clean that up, that’s pretty funny.

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