Rust
4K@165Hz·05:13 played
LiamLewis·50m ago
Public
261
FPSAverage
204
FPS1% Low
76%/45°C
77%/48°C
32 GB
72%usage
Radeon RX 6600 XT vs Radeon RX 580
The Radeon RX 6600 XT is much faster than the Radeon RX 580 on average across 100+ games. However, it's a worse value for money, as it's $415.01 more expensive!
Radeon RX 6600 XT20% Score
- Up to 122% faster on average across 100+ games
- Is 4 years and 4 months newer
- Up to 34% better value for money
- Up to 66% more expensive – $545.00 vs $129.99
Radeon RX 5809% Score
- Up to 66% cheaper – $129.99 vs $545.00
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
FP32 Computehelp
Radeon RX 6600 XT has 72% more compute power.
Pixel Fillratehelp
Radeon RX 6600 XT fills pixels 286% faster.
Texture Fillratehelp
Radeon RX 6600 XT maps textures 72% faster.
GDDR6
Memory Typehelp
GDDR5128-bit
Memory Bushelp
256-bitNavi II (RX 6000)
Generationhelp
Polaris (RX 500)Desktop
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon RX 6600 XT or Radeon RX 580?expand_more
The Radeon RX 6600 XT. It's 122% faster than the Radeon RX 580 on average across 100+ games, scoring 20/100 vs 9/100 in our gaming rating.
speedHow much faster is Radeon RX 6600 XT than Radeon RX 580?expand_more
122% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Radeon RX 6600 XT or Radeon RX 580?expand_more
The Radeon RX 6600 XT is faster at both resolutions. At 4K, VRAM matters more, check the specs section to compare memory. Toggle the resolution selector above to see per-game FPS.
paidIs the Radeon RX 6600 XT worth buying in 2026?expand_more
It scores 20/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Radeon RX 6600 XT and Radeon RX 580?expand_more
Performance: Radeon RX 6600 XT scores 20/100, Radeon RX 580 scores 9/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon RX 6600 XT or Radeon RX 580 bottleneck my PC?expand_more
Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the Radeon RX 6600 XT or Radeon RX 580?expand_more
The Radeon RX 6600 XT is the stronger pick at 20/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Radeon RX 6600 XT and Radeon RX 580?expand_more
Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.
Popular Comparisons
RX 6600 XT vs RTX 5070RX 6600 XT vs RTX 5060 TiRX 6600 XT vs RTX 5060RX 6600 XT vs RTX 5070 TiRX 6600 XT vs RTX 5080RX 6600 XT vs RX 9070 XTRX 6600 XT vs RTX 5090RX 6600 XT vs RX 9060 XT 16 GBRX 6600 XT vs GTX 1660 TiRX 6600 XT vs Arc B580RX 6600 XT vs GTX 1660 SUPERRX 6600 XT vs RX 7600RX 6600 XT vs RTX 3080RX 6600 XT vs RX 9070RX 6600 XT vs RX 7700 XTRX 6600 XT vs RX 7900 XTRX 6600 XT vs RX 6900 XTRX 6600 XT vs RX 6800RX 6600 XT vs Arc A310RX 6600 XT vs Arc A580RX 6600 XT vs Arc B570RX 6600 XT vs RX 480RX 6600 XT vs RX 7800 XTRX 6600 XT vs RX 7900 XTXRX 6600 XT vs RTX 4090RX 6600 XT vs R7 240RX 6600 XT vs R7 250RX 580 vs RTX 5070RX 580 vs RTX 5060 TiRX 580 vs RTX 5060RX 580 vs RTX 5070 TiRX 580 vs RTX 5080RX 580 vs RX 9070 XTRX 580 vs RTX 5090RX 580 vs RX 9060 XT 16 GBRX 580 vs GTX 1660 TiRX 580 vs Arc B580RX 580 vs GTX 1660 SUPERRX 580 vs RX 7600RX 580 vs RTX 3080RX 580 vs RX 9070RX 580 vs RX 7700 XTRX 580 vs RX 7900 XTRX 580 vs RX 6900 XTRX 580 vs RX 6800RX 580 vs Arc A310RX 580 vs Arc A580RX 580 vs Arc B570RX 580 vs RX 480RX 580 vs RX 7800 XTRX 580 vs RX 7900 XTXRX 580 vs RTX 4090RX 580 vs R7 240RX 580 vs R7 250