Buying Guide

The Best Ryzen 9 CPUs for Gaming

We weighed four processors on boost clock and core count; the Ryzen 9 9950X3D has the highest boost clock, and the Ryzen 9 5900XT costs the least.

By , PC Hardware Editor

11 min read4 products evaluated

PC components laid out on a workbench ready for a build
Illustrative image

Ryzen 9 chips add cores for streaming, rendering and compiling on top of gaming. Every pick is a Ryzen 9, ordered by core count.

We ranked these processors on max boost, cores / threads and threads using manufacturer specifications; we did not test these processors ourselves, and where a maker leaves a figure out, we say so.

Quick Picks

Which of the 4 picks to look at first. Tap a name for the full analysis.

  1. Lowest Price Here

    AMD Ryzen 9 5900XT

    A lower price than the Ryzen 9 5950X and the rest when we checked.

    Best for: Getting 16 Zen 3 cores with 72MB of cache for the least money.

    Check price for AMD Ryzen 9 5900XT on Amazon (opens in a new tab)
  2. Also Consider

    AMD Ryzen 9 5950X

    16 cores with 72MB of cache.

    Best for: Buyers who want 16 cores with 72MB of cache.

    Check price for AMD Ryzen 9 5950X on Amazon (opens in a new tab)
  3. Highest Boost Clock

    AMD Ryzen 9 9950X3D

    The highest boost clock here (5.7GHz).

    Best for: Buyers who put boost clock first.

    Check price for AMD Ryzen 9 9950X3D on Amazon (opens in a new tab)
  4. Premium Pick

    AMD Ryzen 9 7900X3D

    3D V-Cache aimed at gaming and creator work at the highest price in the group.

    Best for: Buyers for whom price is not the deciding factor, since the Ryzen 9 5900XT costs less.

    Check price for AMD Ryzen 9 7900X3D on Amazon (opens in a new tab)

Our Picks

Lowest Price Here1 of 4

AMD Ryzen 9 5900XT

The Ryzen 9 5900XT stands out for 16 Zen 3 cores with 72MB of cache, and it adds PCIe 4.0 on the AM4 platform.

Best for

Getting 16 Zen 3 cores with 72MB of cache for the least money.

Skip if

Look at the others if this bothers you: aM4 is a final-generation platform with no newer CPUs coming.
AMD Ryzen 9 5900XT

Why we like it

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. On core count it ties with the Ryzen 9 5950X and the Ryzen 9 9950X3D at 16 cores.

Like the Ryzen 9 5950X, it has an AM4 socket, while the Ryzen 9 9950X3D uses an AM5 socket. 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. No other pick here cost less at our last price check, and the Ryzen 9 5950X was closest.

Key specs

Max boost
4.8GHz
Cores / threads
16 cores
Threads
32
Socket
AM4
Memory
DDR4
Cooler in box
No

Pros

  • 16 cores for encoding and background work
  • 16 Zen 3 cores with 72MB of cache
  • PCIe 4.0 on the AM4 platform
  • A lower price than the Ryzen 9 5950X and the rest when we checked

Cons

  • AM4 is a final-generation platform with no newer CPUs coming
  • No cooler in the box
  • Boost clock trails the Ryzen 9 9950X3D (5.7GHz)

The catch

Boost clock is its weakest area, and the Ryzen 9 9950X3D covers it better at 5.7GHz.

Also Consider2 of 4

AMD Ryzen 9 5950X

The Ryzen 9 5950X stands out for 16 cores with 72MB of cache, and it adds a liquid cooler recommended by AMD.

Best for

Buyers who want 16 cores with 72MB of cache.

Skip if

Worth skipping when aM4 is a final-generation platform with no newer CPUs coming is a problem.
AMD Ryzen 9 5950X

Why we like it

It also offers a 4.9GHz boost clock and offers a 16 cores core count. Its 4.9GHz boost clock ranks third of 4 here, behind the Ryzen 9 9950X3D (5.7GHz) and ahead of the Ryzen 9 5900XT (4.8GHz). On core count it ties with the Ryzen 9 5900XT and the Ryzen 9 9950X3D at 16 cores.

Like the Ryzen 9 5900XT, it has DDR4 memory, while the Ryzen 9 9950X3D uses DDR5 memory. 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 was priced above the Ryzen 9 5900XT and below the Ryzen 9 9950X3D at the time of writing.

Key specs

Max boost
4.9GHz
Cores / threads
16 cores
Threads
32
Socket
AM4
Memory
DDR4
Cooler in box
No

Pros

  • 16 cores for encoding and background work
  • 16 cores with 72MB of cache
  • Liquid cooler recommended by AMD
  • Boost clock of 4.9GHz, ahead of the Ryzen 9 5900XT

Cons

  • AM4 is a final-generation platform with no newer CPUs coming
  • No cooler in the box
  • Costs more than the Ryzen 9 5900XT at the time of writing

Highest Boost Clock3 of 4

AMD Ryzen 9 9950X3D

The Ryzen 9 9950X3D adds a second eight-core die to the X3D formula, giving 16 cores for work while keeping 3D V-Cache for games.

Best for

Buyers who put boost clock first.

Skip if

Look at the others if this bothers you: 170W rating calls for a large air cooler or a 280mm-plus AIO.
AMD Ryzen 9 9950X3D

Why we like it

It suits a single machine that must game and render. Nothing else here matches its 5.7GHz boost clock; the Ryzen 9 7900X3D comes closest at 5.5GHz. It shares an AM5 socket with the Ryzen 9 7900X3D; the Ryzen 9 5950X goes with an AM4 socket.

It also offers 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. Its price falls between the Ryzen 9 5950X and the Ryzen 9 7900X3D, based on our last check.

Key specs

L3 cache
128MB
Max boost
5.7GHz
Cores / threads
16 cores
Rated power
170W
Threads
32
Socket
AM5
Memory
DDR5
Cooler in box
No
Integrated graphics
Yes

Pros

  • 128MB of L3 cache from 3D V-Cache
  • 5.7GHz maximum boost
  • 16 cores for encoding and background work
  • Integrated graphics for display output without a graphics card

Cons

  • 170W rating calls for a large air cooler or a 280mm-plus AIO
  • No cooler in the box
  • Costs more than the Ryzen 9 5900XT at the time of writing

Premium Pick4 of 4

AMD Ryzen 9 7900X3D

The Ryzen 9 7900X3D is built around 3D V-Cache aimed at gaming and creator work, with a liquid cooler recommended by AMD on top.

Best for

Buyers for whom price is not the deciding factor, since the Ryzen 9 5900XT costs less.

Skip if

Pass on it if no cooler in the box rules it out for your setup.
AMD Ryzen 9 7900X3D

Why we like it

On the spec sheet, it offers a 5.5GHz boost clock and offers a 12 cores core count. Its 5.5GHz boost clock ranks second of 4 here, behind the Ryzen 9 9950X3D (5.7GHz) and ahead of the Ryzen 9 5900XT (4.8GHz). On core count it trails the group at 12 cores, while the Ryzen 9 5900XT offers 16 cores.

Like the Ryzen 9 9950X3D, it has DDR5 memory, while the Ryzen 9 5900XT uses DDR4 memory. 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. At our last price check it topped the group, with the Ryzen 9 9950X3D the nearest cheaper option.

Key specs

Max boost
5.5GHz
Cores / threads
12 cores
Threads
24
Socket
AM5
Memory
DDR5
Cooler in box
No

Pros

  • 5.5GHz maximum boost
  • 12 cores for encoding and background work
  • 3D V-Cache aimed at gaming and creator work
  • Liquid cooler recommended by AMD

Cons

  • No cooler in the box
  • Core count trails the Ryzen 9 5900XT (16 cores)
  • Costs more than the Ryzen 9 5900XT at the time of writing

The catch

Core count is its weakest area, and the Ryzen 9 5900XT covers it better at 16 cores.

How We Chose

Alex Morgan compared the manufacturer specifications, connectivity, warranty terms and compatibility of every pick. Figures come from the makers unless a third-party source is named; we did not test these products ourselves.

A desktop CPU seated in its motherboard socket with the retention frame open
A desktop CPU seated in its motherboard socket with the retention frame open
How these picks were ranked
We lined up four processors on boost clock, core count, threads and socket as the makers state them. These are research figures, not bench results, and every compared field is stated for all 4 picks.
What every pick has in common
All 4, from the Ryzen 9 5900XT to the Ryzen 9 7900X3D, state boost clock, core count and threads.
Who each pick suits
The Ryzen 9 5900XT for a lower price than the Ryzen 9 5950X and the rest when we checked; the Ryzen 9 5950X for 16 cores with 72MB of cache; the Ryzen 9 9950X3D for the highest boost clock here (5.7GHz).
Price range
At our last check the picks ran from the Ryzen 9 5900XT ($250 to $500) to the Ryzen 9 7900X3D ($500 to $1000).

What to Look for in a Ryzen 9 CPUs for Gaming

Key buying criteria so you get the right fit the first time.

  1. Boost clock

    Here boost clock runs from 4.8GHz on the Ryzen 9 5900XT to 5.7GHz on the Ryzen 9 9950X3D, a 19% spread. If boost clock is your first filter, the Ryzen 9 9950X3D sets the ceiling at 5.7GHz.

  2. Core count across these picks

    Across these 4 picks core count spans 12 cores (the Ryzen 9 7900X3D) to 16 cores (the Ryzen 9 5900XT). The Ryzen 9 5900XT is the pick for core count.

    An Intel stock cooler mounted over the CPU socket inside a PC
    An Intel stock cooler mounted over the CPU socket inside a PC
  3. Memory

    The Ryzen 9 5900XT and the Ryzen 9 5950X list DDR4; the Ryzen 9 9950X3D and the Ryzen 9 7900X3D list DDR5. Sort out memory before price: it splits 4 stated picks into groups of 2 and 2.

  4. Cooler in box

    The Ryzen 9 5900XT, the Ryzen 9 5950X, the Ryzen 9 9950X3D and the Ryzen 9 7900X3D go without.

  5. Extras that separate them

    The Ryzen 9 5900XT: PCIe 4.0 on the AM4 platform. The Ryzen 9 5950X: a liquid cooler recommended by AMD. The Ryzen 9 9950X3D: a design aimed at both games and content creation.

How to Choose a Ryzen 9 CPUs for Gaming

By priority

PriorityConsiderWhy
Getting 16 Zen 3 cores with 72MB of cache for the least moneyRyzen 9 5900XTA lower price than the Ryzen 9 5950X and the rest when we checked
Buyers who want 16 cores with 72MB of cacheRyzen 9 5950X16 cores with 72MB of cache
Buyers who put boost clock firstRyzen 9 9950X3DThe highest boost clock here (5.7GHz)
Buyers for whom price is not the deciding factor, since the Ryzen 9 5900XT costs lessRyzen 9 7900X3D3D V-Cache aimed at gaming and creator work at the highest price in the group

Scroll sideways to see every column.

Key specs side by side

The Ryzen 9 9950X3D leads on boost clock at 5.7GHz, ahead of the Ryzen 9 7900X3D at 5.5GHz.

ProcessorMax boostCores / threadsThreadsSocket
Ryzen 9 5900XT4.8GHz16 cores32AM4
Ryzen 9 5950X4.9GHz16 cores32AM4
Ryzen 9 9950X3D5.7GHz16 cores32AM5
Ryzen 9 7900X3D5.5GHz12 cores24AM5

Scroll sideways to see every column.

By price at the time of writing

The Ryzen 9 5900XT was the lowest-priced pick ($250 to $500) and the Ryzen 9 7900X3D the highest ($500 to $1000) when we checked; tiers move with Amazon pricing.

Price tierProcessors
About $250 to $500Ryzen 9 5900XT, Ryzen 9 5950X
About $500 to $1000Ryzen 9 9950X3D, Ryzen 9 7900X3D

Frequently Asked Questions

Which has the highest boost clock: the Ryzen 9 9950X3D or the Ryzen 9 7900X3D?

The Ryzen 9 9950X3D tops boost clock at 5.7GHz; the Ryzen 9 7900X3D follows at 5.5GHz, 4% apart. The spread runs down to the Ryzen 9 5900XT at 4.8GHz.

What does the Ryzen 9 7900X3D add over the Ryzen 9 5900XT?

The spec sheets show boost clock (5.5GHz against 4.8GHz) in its favour. It does not win everywhere: the Ryzen 9 5900XT still leads on core count (16 cores). On our last price check the Ryzen 9 5900XT was in the $250 to $500 tier and the Ryzen 9 7900X3D in the $500 to $1000 tier, with 2 other picks between them; pay the difference only if boost clock decides your purchase.

Why is the Ryzen 9 9950X3D our Highest Boost Clock pick?

The label rests on the highest boost clock here (5.7GHz). On boost clock it leads the Ryzen 9 7900X3D, 5.7GHz against 5.5GHz, a 4% margin. The Ryzen 9 5900XT, the cheapest pick, sat in the $250 to $500 tier against $500 to $1000 here, without out-ranking it on any listed spec. It makes sense for anyone who puts boost clock first.

Do the Ryzen 9 5900XT and the Ryzen 9 9950X3D differ on socket?

The Ryzen 9 5900XT and the Ryzen 9 5950X use AM4; the Ryzen 9 9950X3D and the Ryzen 9 7900X3D use AM5.

What extras do the Ryzen 9 5900XT and the Ryzen 9 5950X include?

The Ryzen 9 5900XT: 16 Zen 3 cores with 72MB of cache. The Ryzen 9 5950X: 16 cores with 72MB of cache. The Ryzen 9 9950X3D: 3D V-Cache on one of its two core dies.

Bottom Line

Our first pick is the Ryzen 9 5900XT, chosen for a lower price than the Ryzen 9 5950X and the rest when we checked. Look at the Ryzen 9 5950X for 16 cores with 72MB of cache, the Ryzen 9 9950X3D for the highest boost clock here (5.7GHz) and the Ryzen 9 7900X3D for 3D V-Cache aimed at gaming and creator work at the highest price in the group if those matter more to you.

A 12- or 16-core chip needs a capable cooler; budget for one.

About the author

PC Hardware Editor

Alex covers PC hardware, monitors, components, upgrades and peripherals for The PC Journal, with a focus on helping readers understand specifications, compatibility and meaningful product trade-offs.

Covers: Monitors, Graphics cards, Processors, PC components, Peripherals, Upgrades and compatibility

View all articles