7900x3d power consumption. 4 GHz out AMD Ryzen 9 7950X3D and 7900X3D Review. Our highest average power measurement for the 7900X3D was 114W, showing that, like the Ryzen 9 7950X3D, it runs far below its official 162W peak power rating (PPT). Power Draw. Cons. Our highest average power measurement for the 7900X3D was 114W, showing that, like the Ryzen 9 7950X3D, it runs far below its official 162W peak power rating (PPT). (Image credit: Tom's Pros. - We put AMD's new gaming-focused $599 12-core Ryzen 9 7900X3D through our full gamut of tests to see if it comes out on top as the best CPU for gaming. Modern platform. Strong gaming performance. More overclocking support. The only differences come in the way of base frequencies and power consumption, with the Ryzen 9 7900X3D having the same 120 W TDP as all of the new Ryzen 7000 X3D-based SKUs, which as a Looking at the power consumption of the Ryzen 9 7950X3D in closer detail, we can see that it delivered a consistent load of between 140 and 144 W in our Prime95 sustained power test. - Steep pricing. Armed with a significantly lower TDP than the rest of the current AMD Zen 4 lineup, the AMD Ryzen 9 7900X3D packs in 12 cores and 24 threads on a 120W TDP with a base clock speed of 4.  Â. - No support for DDR4 memory. Modern systems are making full use of very low power idle states and so we’ve split our power test into the stressful OCCT max-load, but also an idle test to show how little is being used whilst you’re off making a cuppa. +. Low power consumption, excellent efficiency. . tkmnoqcyirypzaeobmpuqpqhpocwloothfhdiksquzwjkarx