GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the GeForce RTX 4090 comes out noticeably faster — about 10% ahead of the GeForce RTX 5080. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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GeForce RTX 4090 vs GeForce RTX 5080: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 5080
The GeForce RTX 4090 is noticeably faster, around 10% ahead of the GeForce RTX 5080. Both cards sit in the same broad class, well suited to 4K and high-refresh 1440p.
Price & Value
The GeForce RTX 4090 currently lists from $475, $2,113 less than the GeForce RTX 5080 at $2,588. Because it's both faster and competitively priced, the GeForce RTX 4090 wins on performance-per-dollar by about 501%. The GeForce RTX 4090 is trading below its $1,599 MSRP — a genuine deal. The GeForce RTX 5080 still sits about $1,589 above its $999 MSRP.
Power & Efficiency
At 360W against 450W, the GeForce RTX 5080 is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The GeForce RTX 4090 carries 24GB versus 16GB on the GeForce RTX 5080. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Generation & Longevity
The GeForce RTX 5080 is roughly 3 years newer than the GeForce RTX 4090, so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 4090 or GeForce RTX 5080?
the GeForce RTX 4090 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 5080 if you find it at a steep discount.