GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On performance, the GeForce RTX 3090 Ti and Radeon RX 7900 GRE are effectively a dead heat — under a few percent apart. The Radeon RX 7900 GRE, however, delivers more performance per dollar — $217 GBP cheaper.
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GeForce RTX 3090 Ti vs Radeon RX 7900 GRE: In-Depth Breakdown
Performance: GeForce RTX 3090 Ti vs Radeon RX 7900 GRE
The GeForce RTX 3090 Ti and Radeon RX 7900 GRE post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to 4K with upscaling and native 1440p gaming.
Price & Value
Right now the Radeon RX 7900 GRE starts at $1,246 GBP against $1,464 GBP for the GeForce RTX 3090 Ti. Despite being slower, the Radeon RX 7900 GRE offers the better performance-per-dollar (~17% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 7900 GRE still sits about $697 GBP above its $549 GBP MSRP. The GeForce RTX 3090 Ti is trading below its $1,999 GBP MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 7900 GRE draws just 260W 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. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 24GB against 16GB, the GeForce RTX 3090 Ti has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7900 GRE's 16GB can fall short.
Generation & Longevity
The Radeon RX 7900 GRE is roughly 2 years newer than the GeForce RTX 3090 Ti (RDNA 3 vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3090 Ti brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7900 GRE offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 3090 Ti or Radeon RX 7900 GRE?
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 Radeon RX 7900 GRE stretches your money further for near-identical performance.