Ryzen 9 7900X3D vs Ryzen 9 9950X

Gaming speed, cores and clocks

On our gaming index the Ryzen 9 7900X3D scores 88 and the Ryzen 9 9950X scores 85, about 4% faster for gaming. That gap is small and mostly shows up at 1080p with a very fast graphics card.

The Ryzen 9 7900X3D has 12 cores and 24 threads, and the Ryzen 9 9950X has 16 cores and 32 threads. The extra cores of the Ryzen 9 9950X help with video editing, streaming while you play and heavy multitasking more than with the game itself. Boost clocks are 5.6 GHz and 5.7 GHz.

Platform, power and price

Both chips use the AM5 socket, so they fit the same motherboards. You can swap one for the other without changing the board.

Rated power is 120 W for the first and 170 W for the second. That difference changes the cooler you need, and it shows up in heat and noise.

At launch the Ryzen 9 7900X3D cost $599 and the Ryzen 9 9950X $649, which gives 14.7 and 13.1 points of gaming performance per $100. Today's prices will differ.

Which graphics cards each one can feed, and which to buy

At 1080p the Ryzen 9 7900X3D can feed a card up to the GeForce RTX 5080 before it holds the card back by more than 10 percent. The Ryzen 9 9950X reaches the GeForce RTX 5080. Both chips are in the same range for graphics card pairing.

Choose the Ryzen 9 7900X3D if you want the faster gaming chip. Choose the Ryzen 9 9950X if you would rather spend the difference on a graphics card, which does more for frame rates in most games.