GPU Comparison

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

Quick Verdict

On raw speed the Radeon RX 7900 XT comes out significantly faster — about 35% ahead of the Radeon RX 6800 XT. But the Radeon RX 6800 XT is the better value, undercutting it by $224 USD for the performance you get.

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VS
AMD
Radeon RX 6800 XT
Price
$476 USD
Perf Index
40%
Value Score
0.084
VRAM16GB GDDR6
Thermal TDP300W
Price
$700 USD
Perf Index
54%
Value Score
0.077
VRAM20GB GDDR6
Thermal TDP300W

Radeon RX 7900 XT vs Radeon RX 6800 XT: In-Depth Breakdown

Performance: Radeon RX 7900 XT vs Radeon RX 6800 XT

The Radeon RX 7900 XT is significantly faster, around 35% ahead of the Radeon RX 6800 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 6800 XT is better matched to 1440p.

Price & Value

The Radeon RX 6800 XT currently lists from $476 USD, $224 USD less than the Radeon RX 7900 XT at $700 USD. Despite being slower, the Radeon RX 6800 XT offers the better performance-per-dollar (~9% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6800 XT is trading below its $649 USD MSRP — a genuine deal. The Radeon RX 7900 XT is trading below its $899 USD MSRP — a genuine deal.

VRAM & Future-Proofing

The Radeon RX 7900 XT carries 20GB versus 16GB on the Radeon RX 6800 XT. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The Radeon RX 7900 XT is roughly 2 years newer than the Radeon RX 6800 XT, so it generally benefits from a more modern architecture and longer driver-support runway.

Which should you buy: Radeon RX 6800 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 6800 XT stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the Radeon RX 7900 XT better than the Radeon RX 6800 XT?

The Radeon RX 7900 XT is significantly faster, roughly 35% ahead. The Radeon RX 6800 XT is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the Radeon RX 6800 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 $224 USD over the Radeon RX 6800 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 6800 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.