The Best Workstation CPUs

It sits between the eight-core X3D chips and the 9950X3D on core count and price. On boost clock it sits mid-pack at 5.5GHz: the Ryzen 9 9950X3D offers 5.7GHz, and the Ryzen 9 5900XT comes in at 4.8GHz. Its 12 cores core count is the lowest in this group; the Core i7-14700KF leads at 20 cores.

Nothing else here matches its 120W rated power; the Core i7-14700KF comes closest at 125W. It shares an AM5 socket with the Ryzen 9 9950X3D and Ryzen 9 7950X3D; the Ryzen 9 5900XT goes with an AM4 socket. It needs an AM5 board (A620, B650, B850, X670 or X870 series) and DDR5 memory; a 600-series board may need a BIOS update first, so check the maker's CPU support list for the minimum version. On price it sat third of 5, between the cheaper Core i7-14700KF and the pricier Ryzen 9 7950X3D, at the time of writing.

It suits a single machine that must game and render. On boost clock it ties with the Ryzen 9 7950X3D at 5.7GHz. Its 170W rated power is the highest in this group; the Ryzen 9 9900X3D leads at 120W.

It shares an AM5 socket with the Ryzen 9 9900X3D and Ryzen 9 7950X3D; the Ryzen 9 5900XT goes with an AM4 socket. You also get a design aimed at both games and content creation. It needs an AM5 board (A620, B650, B850, X670 or X870 series) and DDR5 memory; a 600-series board may need a BIOS update first, so check the maker's CPU support list for the minimum version.

Budget for a dual-tower air cooler or a 240mm-plus AIO, since none is included. It was the highest-priced of the 5 picks at the time of writing, so the case for it rests on what it adds over the Ryzen 9 7950X3D and the rest.

It suits a gaming PC that already has a graphics card. Its 33MB L3 cache is the smallest in this group; the Ryzen 9 9900X3D leads at 128MB. Its 5.6GHz boost clock ranks third of 5 here, behind the Ryzen 9 9950X3D (5.7GHz) and ahead of the Ryzen 9 5900XT (4.8GHz).

Nothing else here matches its 20 cores core count; the Ryzen 9 9950X3D comes closest at 16 cores. On rated power it sits mid-pack at 125W: the Ryzen 9 9900X3D offers 120W, and the Ryzen 9 9950X3D comes in at 170W. No other pick in this guide offers an LGA1700 socket; compare the Ryzen 9 5900XT, which has an AM4 socket.

It is the only pick here with DDR4 or DDR5 memory; the Ryzen 9 9900X3D has DDR5 memory instead. It was priced above the Ryzen 9 5900XT and below the Ryzen 9 9900X3D at the time of writing.

It also offers a 4.8GHz boost clock and offers a 16 cores core count. Its 4.8GHz boost clock is the lowest in this group; the Ryzen 9 9950X3D leads at 5.7GHz. No other pick in this guide offers an AM4 socket; compare the Core i7-14700KF, which has an LGA1700 socket.

It is the only pick here with DDR4 memory; the Ryzen 9 9900X3D has DDR5 memory instead. It drops into an AM4 board with DDR4 memory; older B450 and X470 boards need a BIOS that supports this chip, so check the support list before swapping. No cooler is included; a single-tower air cooler is enough at its rating. It cost the least of the 5 picks at the time of writing, with the Core i7-14700KF the next step up.

It also offers a 5.7GHz boost clock and offers a 16 cores core count. On boost clock it ties with the Ryzen 9 9950X3D at 5.7GHz. It matches the Ryzen 9 9950X3D and the Ryzen 9 5900XT on core count (16 cores).

It shares an AM5 socket with the Ryzen 9 9900X3D and Ryzen 9 9950X3D; the Ryzen 9 5900XT goes with an AM4 socket. It needs an AM5 board (A620, B650, B850, X670 or X870 series) and DDR5 memory; check the board's CPU support list for the minimum BIOS version. No cooler is included; a single-tower air cooler is enough at its rating. On price it sat fourth of 5, between the cheaper Ryzen 9 9900X3D and the pricier Ryzen 9 9950X3D, at the time of writing.