GPU Comparison

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

Quick Verdict

The Radeon RX 7900 XT is significantly faster than the Radeon RX 7800 XT, leading by roughly 32% in our performance index. The Radeon RX 7800 XT, however, delivers more performance per dollar — $366 cheaper.

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VS
AMD
Radeon RX 7800 XT
Price
$898
Perf Index
41%
Value Score
0.046
VRAM16GB GDDR6
Thermal TDP263W
Price
$1264
Perf Index
54%
Value Score
0.043
VRAM20GB GDDR6
Thermal TDP300W

Radeon RX 7900 XT vs Radeon RX 7800 XT: In-Depth Breakdown

Performance: Radeon RX 7900 XT vs Radeon RX 7800 XT

The Radeon RX 7900 XT is significantly faster, around 32% ahead of the Radeon RX 7800 XT. That gap is enough to move it up a tier: the Radeon RX 7900 XT is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 7800 XT is better matched to 1440p.

Price & Value

Right now the Radeon RX 7800 XT starts at $898 against $1,264 for the Radeon RX 7900 XT. Despite being slower, the Radeon RX 7800 XT offers the better performance-per-dollar (~7% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 7800 XT still sits about $399 above its $499 MSRP. The Radeon RX 7900 XT still sits about $365 above its $899 MSRP.

Power & Efficiency

The Radeon RX 7800 XT pulls less power (263W vs 300W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XT draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.

VRAM & Future-Proofing

With 20GB against 16GB, the Radeon RX 7900 XT has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7800 XT's 16GB can fall short.

Which should you buy: Radeon RX 7800 XT or Radeon RX 7900 XT?

Choose the Radeon RX 7900 XT if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 7800 XT stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the Radeon RX 7900 XT better than the Radeon RX 7800 XT?

The Radeon RX 7900 XT is significantly faster, roughly 32% ahead. The Radeon RX 7800 XT is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the Radeon RX 7800 XT or the Radeon RX 7900 XT?

The Radeon RX 7900 XT is the better 4K option — it's comfortable at 4K with upscaling and native 1440p, and its 20GB of VRAM helps with 4K textures.

Is the Radeon RX 7900 XT worth the extra $366 over the Radeon RX 7800 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 7800 XT comes out ahead.

Does the Radeon RX 7900 XT have enough VRAM advantage to matter?

Its 20GB (vs 16GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.