Radeon RX 6600 XTvsGeForce RTX 4090
The GeForce RTX 4090 is a top-tier graphics card for gamers and creators who need maximum performance at any cost, while the Radeon RX 6600 XT is a solid mid-range option for budget-conscious 1080p gamers.
Radeon RX 6600 XT
RDNA 2.0 · TSMC 7 nm · 2021
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GeForce RTX 4090
Ada Lovelace · TSMC 5 nm · 2022
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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 4090 dominates with vastly superior performance and memory, making it the clear winner for high-end gaming and creative work.
For budget-conscious buyers, the Radeon RX 6600 XT is the smarter pick due to its much lower cost and decent 1080p gaming.
The Radeon RX 6600 XT is the right choice for a compact, power-efficient build where you only play less demanding games at 1080p.
Frequently asked questions
Is the RX 6600 XT better than the RTX 4090?
Overall the RTX 4090 is the stronger graphics card: it ranks higher in our aggregate performance score (92 vs 40 out of 100), so it leads the RX 6600 XT in most workloads.
How much faster is the RTX 4090 than the RX 6600 XT?
Based on our aggregated benchmark scores the RTX 4090 is roughly 130% 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 4090?
If you want the most performance, pick the RTX 4090. 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.