NVIDIA logo
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$1679
New
VS
AMD logo
Buy on Amazon logo
$200
New

Aggregate performance score

We've compared GeForce RTX 4080 and Radeon RX 6400, covering specs and all relevant benchmarks.

GeForce RTX 4080 +675%
64
16GB , 320W
Radeon RX 6400
8
4GB , 53W

GeForce RTX 4080 outperforms Radeon RX 6400 by a significant 675% based on our aggregate benchmark results.

Summary

We compared two graphics cards: the GeForce RTX 4080 with 16GB VRAM (Ada Lovelace 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 320W. 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 4080

675% higher 3DMark score (28,063 versus 3,622)
300% more VRAM: 16GB versus 4GB
DLSS support with broader game compatibility and better performance scaling

Reasons to consider the Radeon RX 6400

8% better value score (18 versus 17)
83% lower power consumption (53W versus 320W)
$1479 lower current price ($200 versus $1679)

Value Score Comparison

Price-to-performance value analysis

GeForce RTX 4080
17
Radeon RX 6400
+8% better value
18

Benchmarks

Performance comparison across 1 common benchmarks

3DMark synthetic

GeForce RTX 4080
+675%
28,063
Radeon RX 6400
3,622

Technical Specifications

Side-by-side hardware comparison

Specification GeForce RTX 4080 Radeon RX 6400
Architecture Ada Lovelace RDNA 2
VRAM Size 16 GB 4 GB
TDP 320W 53W
Current Price $1679
New • Amazon
$200
New • Amazon

Conclusion

But if raw gaming performance and future-proofing are more important – go for the GeForce RTX 4080. 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 4080 with 16GB 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.