Aggregate performance score
We've compared GeForce RTX 3090 and Radeon RX 6400, covering specs and all relevant benchmarks.
GeForce RTX 3090 outperforms Radeon RX 6400 by a significant 449% based on our aggregate benchmark results.
Summary
We compared two graphics cards: the GeForce RTX 3090 with 24GB VRAM (Ampere architecture), against the Radeon RX 6400 with 4GB VRAM (RDNA 2 architecture). Both graphics cards offer competitive value for their respective price points. The Radeon RX 6400 is more power-efficient, consuming 53W compared to 350W. 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 GeForce RTX 3090
Reasons to consider the Radeon RX 6400
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 | GeForce RTX 3090 | Radeon RX 6400 |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| VRAM Size | 24 GB | 4 GB |
| TDP | 350W | 53W |
| Current Price | $979 New • Amazon | $200 New • Amazon |
Conclusion
But if raw gaming performance and future-proofing are more important – go for the GeForce RTX 3090. For energy efficiency and lower power consumption, the Radeon RX 6400 is the better choice. If you plan to game at higher resolutions or use VRAM-intensive applications, the GeForce RTX 3090 with 24GB VRAM provides more headroom. Budget-conscious buyers will appreciate the Radeon RX 6400's lower 200 price point. Both graphics cards have their strengths, so choose based on your specific gaming needs, budget constraints, and performance requirements.