Aggregate performance score
We've compared Radeon RX 6600 XT and Radeon RX 7900 XT, covering specs and all relevant benchmarks.
Radeon RX 7900 XT outperforms Radeon RX 6600 XT by a significant 164% based on our aggregate benchmark results.
Summary
We compared two graphics cards: the Radeon RX 6600 XT with 8GB VRAM (RDNA 2 architecture), against the Radeon RX 7900 XT with 20GB VRAM (RDNA 3 architecture). The Radeon RX 7900 XT offers significantly better value for money with a 67% higher value score. The Radeon RX 6600 XT is more power-efficient, consuming 160W compared to 315W. 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 6600 XT
Reasons to consider the Radeon RX 7900 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 6600 XT | Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| VRAM Size | 8 GB | 20 GB |
| TDP | 160W | 315W |
| Current Price | $398 New • Amazon | $629 New • Amazon |
Conclusion
If value for money and price-to-performance ratio are your top priorities, then choose the Radeon RX 7900 XT. But if raw gaming performance and future-proofing are more important – go for the Radeon RX 7900 XT. For energy efficiency and lower power consumption, the Radeon RX 6600 XT is the better choice. If you plan to game at higher resolutions or use VRAM-intensive applications, the Radeon RX 7900 XT with 20GB VRAM provides more headroom. Budget-conscious buyers will appreciate the Radeon RX 6600 XT's lower 398 price point. Both graphics cards have their strengths, so choose based on your specific gaming needs, budget constraints, and performance requirements.