RX 6600 XT Specs, Gaming FPS, Best CPU and PSU

Quick answer

The RX 6600 XT is a C-tier graphics card in our GPU tier list (gaming score 38, RTX 4090 = 100), built for 1080p gaming. With a fast CPU it averages about 95 FPS at 1080p, 62 FPS at 1440p and 29 FPS at 4K in a typical AAA game at high settings. 8GB of VRAM is enough for ultra textures at 1080p, enough for high (not ultra) textures at 1440p and below the 12GB our VRAM rule asks for at 4K high settings, so expect to lower texture quality there. Its maker recommends a 500W power supply.

RX 6600 XT Specs

RX 6600 XT specifications
SpecRX 6600 XT
MakerAMD
ArchitectureRDNA 2
VRAM8GB GDDR6
Memory bus128-bit
Boost clock2589 MHz
Compute Units32
Board power160W
Maker’s recommended PSU500W
Upscaling / frame generationFSR 3 upscaling and frame generation, plus AFMF in the driver
Released2021
ComputingSkill gaming score38 (C tier)

Specs: RX 6600 XT official page. Scores are ComputingSkill’s gaming index, positioned from publicly reported review averages, not our own benchmarks (methodology).

RX 6600 XT Gaming Performance (Estimated FPS)

Average FPS from the FPS Calculator’s formula for a typical AAA game, paired with the Ryzen 7 9800X3D so the card is the limit wherever it can be. Figures marked * are held back by the CPU instead. Ray tracing, upscaling and frame generation are not included; they are estimates, not benchmarks.

RX 6600 XT estimated average FPS
Settings1080p1440p4K
Low16210562
Medium1248148
High956229
Ultra764522
Esports titles, high285186110

In the GPU tier list the RX 6600 XT sits in C tier: 1080p gaming at high settings. In games that support it, FSR 3 upscaling and frame generation, plus AFMF in the driver can raise these frame rates, at some cost in image quality or input latency. How upscaling and frame generation work.

Is 8GB of VRAM Enough on the RX 6600 XT?

8GB of VRAM is enough for ultra textures at 1080p, enough for high (not ultra) textures at 1440p and below the 12GB our VRAM rule asks for at 4K high settings, so expect to lower texture quality there. The rule is the GPU VRAM Calculator’s minimum for each resolution and texture level (1080p: 6GB at high, 8GB at ultra; 1440p: 8GB / 10GB; 4K: 12GB / 14GB). Short on VRAM, a game stutters or swaps textures rather than simply losing frames.

Best CPU for the RX 6600 XT

At 1080p, the Core i3-12100F is the most modest current CPU that runs the RX 6600 XT without a noticeable CPU bottleneck (under 15% in our engine, typical AAA game at high settings). A faster CPU still helps in esports and CPU-heavy games, where the CPU sets the frame rate far more often.

RX 6600 XT with popular CPUs (typical AAA game, high settings)
CPU1080p1440p4KPair page
Core i3-12100FGPU-limitedGPU-limitedGPU-limited—
Ryzen 5 5600GPU-limitedGPU-limitedGPU-limited—
Core i5-12400FGPU-limitedGPU-limitedGPU-limited—
Ryzen 5 7600GPU-limitedGPU-limitedGPU-limited—
Core i5-14600KGPU-limitedGPU-limitedGPU-limited—
Ryzen 7 7800X3DGPU-limitedGPU-limitedGPU-limited—
Ryzen 7 9800X3DGPU-limitedGPU-limitedGPU-limited—

“GPU-limited” is normal and means the card is the part working hardest. A CPU % is how much of the card goes unused. Check any other pair in the PC Bottleneck Calculator.

What PSU Does the RX 6600 XT Need?

The RX 6600 XT’s maker recommends a 500W power supply, and the card itself draws up to about 160W. With a Core i3-12100F, the PSU Calculator estimates a full-load draw of about 330W for the whole PC and recommends a 500W unit (30% headroom, rounded up). A power-hungry CPU such as a Core i9 needs more, so check your exact parts.

Similar Graphics Cards

Cards close to this one in our ranking
Graphics cardScoreVRAMFPS 1440p highBoard powerReleased
RX 7600 XT3916GB64190W2024
RX 6600 XT388GB62160W2021
RTX 4060388GB62115W2023
RX 7600378GB60165W2023
RTX 5050378GB60130W2025

Try the RX 6600 XT with your own CPU, resolution and settings in the FPS Calculator, or see which games it runs in Can I Run It.

Frequently Asked Questions

Is the RX 6600 XT good for 1440p gaming?

It manages about 62 FPS at 1440p high in a typical AAA game with a fast CPU, but it is below the level our PC Upgrade Calculator calls comfortable for 1440p (score 38 vs 50), so newer, heavier games will need medium settings or upscaling.

What CPU should I pair with the RX 6600 XT?

At least a Core i3-12100F, at 1080p and 1440p alike, to avoid a noticeable CPU bottleneck. Faster CPUs help in esports and strategy games.

What power supply does the RX 6600 XT need?

Its maker recommends 500W. With a Core i3-12100F our PSU Calculator suggests 500W for the whole PC.

Is 8GB of VRAM enough on the RX 6600 XT?

8GB of VRAM is enough for ultra textures at 1080p, enough for high (not ultra) textures at 1440p and below the 12GB our VRAM rule asks for at 4K high settings, so expect to lower texture quality there.