Tom Clancy's Rainbow Six Siege
1080p@75Hz·08:15 played
Nobody·57m ago
Public2 Tips
368
FPSAverage
336
FPS1% Low
87%/67°C
65%/73°C
16 GB
92%usage
Radeon RX 6900 XT vs Arc B580
The Radeon RX 6900 XT is quite a bit faster than the Arc B580 on average across 100+ games. However, it's a worse value for money, as it's $407.51 more expensive!
Radeon RX 6900 XT44% Score
- Up to 42% faster on average across 100+ games
- Up to 301% more expensive – $699.00 vs $291.49
Arc B58031% Score
- Is 4 years and 2 months newer
- Up to 301% cheaper – $291.49 vs $699.00
- Up to 183% better value for money
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 6900 XT has 69% more compute power.
Pixel Fillratehelp
Radeon RX 6900 XT fills pixels 35% faster.
Texture Fillratehelp
Radeon RX 6900 XT maps textures 69% faster.
Memory Bandwidthhelp
Radeon RX 6900 XT moves data 12% faster.
GDDR6
Memory Typehelp
GDDR6256-bit
Memory Bushelp
192-bitNavi II (RX 6000)
Generationhelp
Battlemage (Arc 5)Desktop
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon RX 6900 XT or Arc B580?expand_more
The Radeon RX 6900 XT. It's 42% faster than the Arc B580 on average across 100+ games, scoring 44/100 vs 31/100 in our gaming rating.
speedHow much faster is Radeon RX 6900 XT than Arc B580?expand_more
42% 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 6900 XT or Arc B580?expand_more
The Radeon RX 6900 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 6900 XT worth buying in 2026?expand_more
It scores 44/100 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 6900 XT and Arc B580?expand_more
Performance: Radeon RX 6900 XT scores 44/100, Arc B580 scores 31/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon RX 6900 XT or Arc B580 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 6900 XT or Arc B580?expand_more
The Radeon RX 6900 XT is the stronger pick at 44/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Radeon RX 6900 XT and Arc B580?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 6900 XT vs RTX 5070RX 6900 XT vs RTX 5060RX 6900 XT vs RTX 5070 TiRX 6900 XT vs RTX 5080RX 6900 XT vs RX 9070 XTRX 6900 XT vs RTX 5090RX 6900 XT vs RX 9060 XT 16 GBRX 6900 XT vs GTX 1660 SUPERRX 6900 XT vs RX 7600RX 6900 XT vs RX 9070RX 6900 XT vs RTX 4080RX 6900 XT vs RX 7700 XTRX 6900 XT vs RX 580RX 6900 XT vs RX 560RX 6900 XT vs RX 7900 XTRX 6900 XT vs GTX 1660RX 6900 XT vs RX 6800RX 6900 XT vs Arc A580RX 6900 XT vs Arc A380RX 6900 XT vs Arc B570RX 6900 XT vs GT 1030RX 6900 XT vs RX 7900 XTXRX 6900 XT vs RTX 4090RX 6900 XT vs R7 240RX 6900 XT vs R7 250Arc B580 vs RTX 5070Arc B580 vs RTX 5060Arc B580 vs RTX 5070 TiArc B580 vs RTX 5080Arc B580 vs RX 9070 XTArc B580 vs RTX 5090Arc B580 vs RX 9060 XT 16 GBArc B580 vs GTX 1660 SUPERArc B580 vs RX 7600Arc B580 vs RX 9070Arc B580 vs RTX 4080Arc B580 vs RX 7700 XTArc B580 vs RX 580Arc B580 vs RX 560Arc B580 vs RX 7900 XTArc B580 vs GTX 1660Arc B580 vs RX 6800Arc B580 vs Arc A580Arc B580 vs Arc A380Arc B580 vs Arc B570Arc B580 vs GT 1030Arc B580 vs RX 7900 XTXArc B580 vs RTX 4090Arc B580 vs R7 240Arc B580 vs R7 250