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 significantly faster — about 35% ahead of the Radeon RX 6900 XT. But the Radeon RX 6900 XT is the better value, undercutting it by $1,217 GBP for the performance you get.
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GeForce RTX 4080 vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: GeForce RTX 4080 vs Radeon RX 6900 XT
The GeForce RTX 4080 is significantly faster, around 35% ahead of the Radeon RX 6900 XT. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p.
Price & Value
The Radeon RX 6900 XT currently lists from $700 GBP, $1,217 GBP less than the GeForce RTX 4080 at $1,917 GBP. Despite being slower, the Radeon RX 6900 XT offers the better performance-per-dollar (~103% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6900 XT is trading below its $999 GBP MSRP — a genuine deal. The GeForce RTX 4080 still sits about $718 GBP above its $1,199 GBP MSRP.
Power & Efficiency
On power, the Radeon RX 6900 XT is the gentler choice at 300W versus 320W. The GeForce RTX 4080 is more efficient per watt because it's faster, but its higher 320W draw means more heat and a bigger PSU. 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 6900 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 6900 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 6900 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 6900 XT stretches your money further for only slightly lower performance.