GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

On raw speed the GeForce RTX 3080 comes out dramatically faster β€” about 80% ahead of the Radeon RX 6600 XT. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
NVIDIA
GeForce RTX 3080
Price
Β£387
Perf Index
36%
Value Score
0.093
VRAM10GB GDDR6X
Thermal TDP320W
Price
Β£502
Perf Index
20%
Value Score
0.040
VRAM8GB GDDR6
Thermal TDP160W

GeForce RTX 3080 vs Radeon RX 6600 XT: In-Depth Breakdown

Performance: GeForce RTX 3080 vs Radeon RX 6600 XT

The GeForce RTX 3080 is dramatically faster, around 80% ahead of the Radeon RX 6600 XT. That gap is enough to move it up a tier: the GeForce RTX 3080 is comfortable at 1440p, while the Radeon RX 6600 XT is better matched to 1080p.

Price & Value

The GeForce RTX 3080 currently lists from $387 GBP, $115 GBP less than the Radeon RX 6600 XT at $502 GBP. Because it's both faster and competitively priced, the GeForce RTX 3080 wins on performance-per-dollar by about 134%. The GeForce RTX 3080 is trading below its $699 GBP MSRP β€” a genuine deal. The Radeon RX 6600 XT still sits about $123 GBP above its $379 GBP MSRP.

Power & Efficiency

At 160W against 320W, the Radeon RX 6600 XT is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 2 architecture on a TSMC N7 process is part of why it does more with each watt.

VRAM & Future-Proofing

The GeForce RTX 3080 carries 10GB versus 8GB on the Radeon RX 6600 XT. The extra 2GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 3080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6600 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 3080 or Radeon RX 6600 XT?

The GeForce RTX 3080 is the all-round winner here β€” it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6600 XT if you find it at a steep discount.

Frequently Asked Questions

Is the GeForce RTX 3080 better than the Radeon RX 6600 XT?

The GeForce RTX 3080 is dramatically faster, roughly 80% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 3080 or the Radeon RX 6600 XT?

Neither is a dedicated 4K card; both are best at 1440p. For 4K you'd want a faster GPU, or lean on upscaling.

Is the Radeon RX 6600 XT worth the extra $115 GBP over the GeForce RTX 3080?

Only if you need the extra performance or features; on pure value the GeForce RTX 3080 comes out ahead.

Does the GeForce RTX 3080 have enough VRAM advantage to matter?

Its 10GB (vs 8GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.