Ryzen 9000 · data reviewed 2026-11-10

What PSU for the Ryzen 9 9950X?

Ryzen 9 9950X is 16 cores and 32 threads on AM5. Gaming plans it at 170 W (Default TDP). The power-limit profile uses 200 W (PPT, reported). With a Radeon RX 9070 XT, the gaming total is 531 W and the minimum size is 700 W.

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Same CPU, three graphics cards

Each row is two memory modules, one NVMe drive, and three fans. Only the GPU changes, so the difference between rows is the card plus nothing else.

WattWise results for the Ryzen 9 9950X
GPUBoard powerGaming loadMinimumBoth at the limit
GeForce RTX 5060145 W372 W500 W402 W · 550 W
Radeon RX 9070 XT304 W531 W700 W561 W · 750 W
GeForce RTX 5090575 W802 W1,200 W832 W · 1,200 W

How to read the two CPU numbers

AMD publishes 170W Default TDP and does not print PPT on the product page. The stock PPT is 200W rather than the older 230W class limit: Puget Systems lists Default PPT as 200W for the 9950X and 9950X3D, and independent reviews measured the stock package limit at 200W. Treat 200W as the configured power limit, not a lab average of every workload.

Memory in this table is DDR5.

The GeForce RTX 5060 row is the small-card case: the CPU and the platform are a large share of the total. The GeForce RTX 5090 row is the flagship case: the graphics card dominates, and the CPU's base-versus-limit gap matters less until you render on every core.

Questions for this CPU

What PSU does a Ryzen 9 9950X need with a Radeon RX 9070 XT?

Gaming plan for the Ryzen 9 9950X: 170 W at its default tdp, 304 W for the Radeon RX 9070 XT at rated board power, and 57 W of platform allowance. The total is 531 W. Minimum size 700 W. Efficiency size 1,200 W.

How much does the Ryzen 9 9950X add when the GPU is small?

With a GeForce RTX 5060, the gaming total is 372 W and the minimum is 500 W. The same CPU with a GeForce RTX 5090 is 802 W, minimum 1,200 W. The CPU did not change. The graphics card did.

Should I size a Ryzen 9 9950X build for the package limit?

The power-limit profile with a Radeon RX 9070 XT is 561 W, minimum 750 W. That is both parts on their limits at once. PPT 200 W is marked reported. AMD publishes 170W Default TDP and does not print PPT on the product page. The stock PPT is 200W rather than the older 230W class limit: Puget Systems lists Default PPT as 200W for the 9950X and 9950X3D, and independent reviews measured the stock package limit at 200W. Treat 200W as the configured power limit, not a lab average of every workload. Use it for a combined render. A GPU-bound game is the lower row.

Builds that use this CPU

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Sources

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