GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the GeForce RTX 4080 comes out dramatically faster — about 41% ahead of the GeForce RTX 3090. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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GeForce RTX 4080 vs GeForce RTX 3090: In-Depth Breakdown
Performance: GeForce RTX 4080 vs GeForce RTX 3090
The GeForce RTX 4080 is dramatically faster, around 41% ahead of the GeForce RTX 3090. That gap is enough to move it up a tier: the GeForce RTX 4080 is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3090 is better matched to 1440p.
Price & Value
The GeForce RTX 4080 currently lists from $1,580 EUR, $210 EUR less than the GeForce RTX 3090 at $1,790 EUR. Because it's both faster and competitively priced, the GeForce RTX 4080 wins on performance-per-dollar by about 60%. The GeForce RTX 4080 still sits about $381 EUR above its $1,199 EUR MSRP. The GeForce RTX 3090 still sits about $291 EUR above its $1,499 EUR MSRP.
Power & Efficiency
At 320W against 350W, the GeForce RTX 4080 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
The GeForce RTX 3090 carries 24GB versus 16GB on the GeForce RTX 4080. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 3090's memory is also faster — 936 GB/s versus 717 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 4080 is roughly 2 years newer than the GeForce RTX 3090 (Ada Lovelace vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3090 or GeForce RTX 4080?
The GeForce RTX 4080 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 3090 if you find it at a steep discount.