GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 4090 is significantly faster than the GeForce RTX 4080 SUPER, leading by roughly 27% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4090 vs GeForce RTX 4080 SUPER: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 4080 SUPER
The GeForce RTX 4090 is significantly faster, around 27% ahead of the GeForce RTX 4080 SUPER. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4080 SUPER is better matched to 4K with upscaling and native 1440p.
Price & Value
Right now the GeForce RTX 4090 starts at $475 against $2,900 for the GeForce RTX 4080 SUPER. Because it's both faster and competitively priced, the GeForce RTX 4090 wins on performance-per-dollar by about 676%. The GeForce RTX 4090 is trading below its $1,599 MSRP — a genuine deal. The GeForce RTX 4080 SUPER still sits about $1,901 above its $999 MSRP.
Power & Efficiency
The GeForce RTX 4080 SUPER draws just 320W versus 450W for the GeForce RTX 4090, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 24GB against 16GB, the GeForce RTX 4090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 4080 SUPER's 16GB can fall short.
Generation & Longevity
The GeForce RTX 4080 SUPER is roughly 2 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 4080 SUPER?
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 4080 SUPER if you find it at a steep discount.