NVIDIA logo
Buy on Amazon logo
$979
New
VS
NVIDIA logo
Buy on Newegg logo
$999
New

Aggregate performance score

We've compared GeForce RTX 3090 and GeForce RTX 5080, covering specs and all relevant benchmarks.

GeForce RTX 3090
45
24GB , 350W
GeForce RTX 5080 +63%
74
16GB , 360W

GeForce RTX 5080 outperforms GeForce RTX 3090 by a significant 63% based on our aggregate benchmark results.

Summary

We compared two graphics cards: the GeForce RTX 3090 with 24GB VRAM (Ampere architecture), against the GeForce RTX 5080 with 16GB VRAM. The GeForce RTX 5080 offers significantly better value for money with a 60% higher value score. The GeForce RTX 3090 is more power-efficient, consuming 350W compared to 360W. 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

50% more VRAM: 24GB versus 16GB
3% lower power consumption (350W versus 360W)
$20 lower current price ($979 versus $999)

Reasons to consider the GeForce RTX 5080

60% better value score (33 versus 20)
63% higher 3DMark score (32,530 versus 19,901)

Value Score Comparison

Price-to-performance value analysis

GeForce RTX 3090
20
GeForce RTX 5080
+60% better value
33

Benchmarks

Performance comparison across 1 common benchmarks

3DMark synthetic

GeForce RTX 3090
19,901
GeForce RTX 5080
+63%
32,530

Technical Specifications

Side-by-side hardware comparison

Specification GeForce RTX 3090 GeForce RTX 5080
Architecture Ampere N/A
VRAM Size 24 GB 16 GB
TDP 350W 360W
Current Price $979
New • Amazon
$999
New • Newegg

Conclusion

If value for money and price-to-performance ratio are your top priorities, then choose the GeForce RTX 5080. But if raw gaming performance and future-proofing are more important – go for the GeForce RTX 5080. If you plan to game at higher resolutions or use VRAM-intensive applications, the GeForce RTX 3090 with 24GB VRAM provides more headroom. Both graphics cards have their strengths, so choose based on your specific gaming needs, budget constraints, and performance requirements.