GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 4080 is dramatically faster than the Radeon RX 6800 XT, leading by roughly 45% in our performance index. The Radeon RX 6800 XT, however, delivers more performance per dollar — $1,081 GBP cheaper.
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GeForce RTX 4080 vs Radeon RX 6800 XT: In-Depth Breakdown
Performance: GeForce RTX 4080 vs Radeon RX 6800 XT
The GeForce RTX 4080 is dramatically faster, around 45% ahead of the Radeon RX 6800 XT. 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 Radeon RX 6800 XT is better matched to 1440p.
Price & Value
Right now the Radeon RX 6800 XT starts at $836 GBP against $1,917 GBP for the GeForce RTX 4080. Despite being slower, the Radeon RX 6800 XT offers the better performance-per-dollar (~58% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6800 XT still sits about $187 GBP above its $649 GBP MSRP. The GeForce RTX 4080 still sits about $718 GBP above its $1,199 GBP MSRP.
Power & Efficiency
The Radeon RX 6800 XT pulls less power (300W vs 320W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4080 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
Generation & Longevity
The GeForce RTX 4080 is roughly 2 years newer than the Radeon RX 6800 XT (Ada Lovelace vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6800 XT 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 4080 or Radeon RX 6800 XT?
Choose the GeForce RTX 4080 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6800 XT stretches your money further for only slightly lower performance.