Radeon RX 580 2048SPvsGeForce RTX 4090
The GeForce RTX 4090 is a top-tier flagship GPU for 4K gaming and heavy creative work, while the Radeon RX 580 2048SP is an older, budget-friendly card for 1080p gaming on a tight budget.
Radeon RX 580 2048SP
GCN 4.0 · TSMC 14 nm · 2018
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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 wins overall for anyone needing top-tier gaming or creative performance, far outpacing the older Radeon RX 580 2048SP.
For budget buyers, the Radeon RX 580 2048SP is the smarter pick due to its much lower cost and adequate performance for less demanding games.
The Radeon RX 580 2048SP is the right choice if you're building a very low-cost PC for older titles or light use and don't need modern features.
Frequently asked questions
Is the RX 580 2048SP better than the RTX 4090?
Overall the RTX 4090 is the stronger graphics card: it ranks higher in our aggregate performance score (92 vs 18 out of 100), so it leads the RX 580 2048SP in most workloads.
How much faster is the RTX 4090 than the RX 580 2048SP?
Based on our aggregated benchmark scores the RTX 4090 is roughly 411% faster than the RX 580 2048SP overall. The real-world gap varies by game, resolution and settings.
Which should you buy, the RX 580 2048SP or the RTX 4090?
If you want the most performance, pick the RTX 4090. If the RX 580 2048SP 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.