GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 3090 Ti is noticeably faster than the GeForce RTX 3080 Ti, leading by roughly 10% in our performance index. The GeForce RTX 3080 Ti, however, delivers more performance per dollar — $956 GBP cheaper.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3090 Ti vs GeForce RTX 3080 Ti: In-Depth Breakdown
Performance: GeForce RTX 3090 Ti vs GeForce RTX 3080 Ti
The GeForce RTX 3090 Ti is noticeably faster, around 10% ahead of the GeForce RTX 3080 Ti. That gap is enough to move it up a tier: the GeForce RTX 3090 Ti is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 Ti is better matched to 1440p. The GeForce RTX 3090 Ti packs 10,752 CUDA cores versus 10,240 on the GeForce RTX 3080 Ti.
Price & Value
Right now the GeForce RTX 3080 Ti starts at $508 GBP against $1,464 GBP for the GeForce RTX 3090 Ti. Despite being slower, the GeForce RTX 3080 Ti offers the better performance-per-dollar (~163% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 3080 Ti is trading below its $1,199 GBP MSRP — a genuine deal. The GeForce RTX 3090 Ti is trading below its $1,999 GBP MSRP — a genuine deal.
Power & Efficiency
The GeForce RTX 3080 Ti draws just 350W versus 450W for the GeForce RTX 3090 Ti, 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 12GB, the GeForce RTX 3090 Ti has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3080 Ti's 12GB can fall short. The GeForce RTX 3090 Ti's memory is also faster — 1,008 GB/s versus 912 GB/s — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3080 Ti or GeForce RTX 3090 Ti?
Choose the GeForce RTX 3090 Ti if you want the most performance and can absorb the higher price. If you're optimizing for value, the GeForce RTX 3080 Ti stretches your money further for only slightly lower performance.