GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the GeForce RTX 5080 comes out dramatically faster — about 91% ahead of the GeForce RTX 3080. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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GeForce RTX 5080 vs GeForce RTX 3080: In-Depth Breakdown
Performance: GeForce RTX 5080 vs GeForce RTX 3080
The GeForce RTX 5080 is dramatically faster, around 91% ahead of the GeForce RTX 3080. That gap is enough to move it up a tier: the GeForce RTX 5080 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 3080 is better matched to 1440p. The GeForce RTX 5080 packs 10,752 CUDA cores versus 8,704 on the GeForce RTX 3080.
Price & Value
The GeForce RTX 3080 currently lists from $747 EUR, $523 EUR less than the GeForce RTX 5080 at $1,270 EUR. Because it's both faster and competitively priced, the GeForce RTX 5080 wins on performance-per-dollar by about 13%. The GeForce RTX 5080 still sits about $271 EUR above its $999 EUR MSRP.
Power & Efficiency
On power, the GeForce RTX 3080 is the gentler choice at 320W versus 360W. The GeForce RTX 5080 is more efficient per watt because it's faster, but its higher 360W draw means more heat and a bigger PSU. Its more modern Blackwell architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
The GeForce RTX 5080 carries 16GB versus 10GB on the GeForce RTX 3080. The extra 6GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 5080's memory is also faster — 960 GB/s versus 760 GB/s (256-bit vs 320-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5080 is roughly 5 years newer than the GeForce RTX 3080 (Blackwell vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3080 or GeForce RTX 5080?
The GeForce RTX 5080 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 3080 if you find it at a steep discount.