Radeon RX 7900 XTX vs GeForce RTX 4080 — Specs & Performance Compared

Side-by-side comparison of 2 GPU parts: Radeon RX 7900 XTX vs GeForce RTX 4080. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability — click into any column header for the per-SKU benchmark page.

AMD · RDNA 3

Radeon RX 7900 XTX

Full Radeon RX 7900 XTX benchmarks →

NVIDIA · Ada Lovelace

GeForce RTX 4080

16 GB VRAM320W TDP

Full GeForce RTX 4080 benchmarks →

*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

Current in-stock pricing for each part on Amazon.

Specs side-by-side

Spec	Radeon RX 7900 XTX	GeForce RTX 4080
vram gb	—	16
vram type	—	GDDR6X
tdp w	—	320
cuda cores	—	9728
rt cores	—	76
tensor cores	—	304
process nm	—	5

Synthetic benchmarks

Higher is better. Per-row scores come from public benchmark databases (PassMark, TechPowerUp, Geekbench, Cinebench). Empty cells mean we don't yet have that benchmark on file for the SKU.

Benchmark	Radeon RX 7900 XTX	GeForce RTX 4080
3DMark DirectX Raytracing	—	85 FPS
3DMark Fire Strike	—	48,524 points
3DMark Port Royal	14,913 points	17,600 points
3DMark Speed Way	6,134 points	7,532 points
3DMark Steel Nomad	6,862 points	6,595 points
3DMark Time Spy	25,214 points	28,599 points
3DMark Time Spy (combined)	27,934 points	—
3DMark Time Spy (GPU)	30,139 points	—
3DMark Time Spy Extreme	—	13,977 points
PassMark G2D Mark	1,285 pts	1,250 pts
PassMark G3D Mark	31,409 pts	34,433 pts
Port Royal (Ray Tracing)	14,200 pts	—

AI inference (tokens/sec)

Top community-reported tokens-per-second results for popular LLMs. See the per-SKU benchmark page for the full set including quantization, prompt length, and source citations.