Aggregate performance score
We've compared Radeon RX 580 and Radeon RX 6900 XT, covering specs and all relevant benchmarks.
Radeon RX 6900 XT outperforms Radeon RX 580 by a significant 374% based on our aggregate benchmark results.
Summary
We compared two graphics cards: the Radeon RX 580 with 8GB VRAM (RDNA architecture), against the Radeon RX 6900 XT with 16GB VRAM (RDNA 2 architecture). The Radeon RX 580 offers significantly better value for money with a 55% higher value score. The Radeon RX 580 is more power-efficient, consuming 185W compared to 300W. On this page, you will find detailed benchmark comparisons, technical specifications, value score analysis, and key differences to help you choose the right graphics card for your needs and budget.
Key Differences
An overview of the main advantages of each graphics card
Reasons to consider the Radeon RX 580
Reasons to consider the Radeon RX 6900 XT
Value Score Comparison
Price-to-performance value analysis
Benchmarks
Performance comparison across 1 common benchmarks
3DMark synthetic
Technical Specifications
Side-by-side hardware comparison
| Specification | Radeon RX 580 | Radeon RX 6900 XT |
|---|---|---|
| Architecture | RDNA | RDNA 2 |
| VRAM Size | 8 GB | 16 GB |
| TDP | 185W | 300W |
| Current Price | $99 New • Amazon | $729 New • Amazon |
Conclusion
If value for money and price-to-performance ratio are your top priorities, then choose the Radeon RX 580. But if raw gaming performance and future-proofing are more important – go for the Radeon RX 6900 XT. For energy efficiency and lower power consumption, the Radeon RX 580 is the better choice. If you plan to game at higher resolutions or use VRAM-intensive applications, the Radeon RX 6900 XT with 16GB VRAM provides more headroom. Budget-conscious buyers will appreciate the Radeon RX 580's lower 99 price point. Both graphics cards have their strengths, so choose based on your specific gaming needs, budget constraints, and performance requirements.