Radeon RX 6600 XTvsGeForce RTX 5090 D
The GeForce RTX 5090 D is a top-tier GPU for professionals and enthusiasts chasing max performance, while the Radeon RX 6600 XT is a budget-friendly card for 1080p gamers.
Radeon RX 6600 XT
RDNA 2.0 · TSMC 7 nm · 2021
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GeForce RTX 5090 D
Blackwell 2.0 · TSMC 5 nm · 2025
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Overall Performance Score
A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest consumer GPU available.
Side-by-Side Specs
Every detail compared. Highlighted cells indicate the leading value for that metric.
Which should you buy?
The GeForce RTX 5090 D dominates with vastly more speed and memory, making it the clear winner for anyone needing top-tier graphics performance.
For budget buyers, the Radeon RX 6600 XT is the smarter pick, offering solid gaming at a fraction of the cost.
The Radeon RX 6600 XT is the right choice for a compact, power-sipping build where the RTX 5090 D's extreme speed and size would be overkill.
Frequently asked questions
Is the RX 6600 XT better than the RTX 5090 D?
Overall the RTX 5090 D is the stronger graphics card: it ranks higher in our aggregate performance score (100 vs 40 out of 100), so it leads the RX 6600 XT in most workloads.
How much faster is the RTX 5090 D than the RX 6600 XT?
Based on our aggregated benchmark scores the RTX 5090 D is roughly 150% faster than the RX 6600 XT overall. The real-world gap varies by game, resolution and settings.
Which should you buy, the RX 6600 XT or the RTX 5090 D?
If you want the most performance, pick the RTX 5090 D. If the RX 6600 XT is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.