GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 4090 is dramatically faster than the Radeon RX 7800 XT, leading by roughly 83% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4090 vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 7800 XT
The GeForce RTX 4090 is dramatically faster, around 83% ahead of the Radeon RX 7800 XT. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the Radeon RX 7800 XT is better matched to 1440p.
Price & Value
Right now the GeForce RTX 4090 starts at $475 against $898 for the Radeon RX 7800 XT. Because it's both faster and competitively priced, the GeForce RTX 4090 wins on performance-per-dollar by about 246%. The GeForce RTX 4090 is trading below its $1,599 MSRP — a genuine deal. The Radeon RX 7800 XT still sits about $399 above its $499 MSRP.
Power & Efficiency
The Radeon RX 7800 XT pulls less power (263W vs 450W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 24GB against 16GB, the GeForce RTX 4090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7800 XT's 16GB can fall short.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7800 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 4090 or Radeon RX 7800 XT?
the GeForce RTX 4090 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 7800 XT if you find it at a steep discount.