The GPU Radar

AMD RX 7800 XTvsNVIDIA RTX 4090

Cross-brand comparison: NVIDIA offers DLSS and CUDA for AI/ML workloads. AMD offers competitive rasterization, often with more VRAM at the same price. Choose based on your ecosystem needs.
AMD RX 7800 XT
Buy/Wait:Wait

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Superseded by RX 9070

Best for: 1440p gamers seeking the best possible value — clearance RX 7800 XT is one of the strongest price-to-performance options available.

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NVIDIA RTX 4090
Buy/Wait:Wait

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Superseded by RTX 5090

Best for: 4K enthusiasts who can find the RTX 4090 at a significant discount and don't need DLSS 4 or GDDR7.

Full details →
AMD RX 7800 XTNVIDIA RTX 4090
TierHigh-endEnthusiast
GenerationRX 7000RTX 4000
VRAM16 GB24 GB
Memory TypeGDDR6GDDR6X
TDP263W450W
UpscalingFSR3DLSS3
Ray Tracing
Launch MSRP$499$1599
ReleasedSep 6, 2023Oct 12, 2022
Cycle length~550 days~840 days
Cycle adviceWaitWait
Deals adviceBuyBuy
SuccessorRX 9070RTX 5090

Why buy each?

AMD RX 7800 XT

Outstanding clearance value

Superseded but strong value — at clearance pricing, delivers excellent 1440p performance for well under $400.

16GB GDDR6

Same VRAM as its successor — no VRAM compromise.

Mature RDNA 3 drivers

Well-optimized after 18+ months of updates.

NVIDIA RTX 4090

24GB GDDR6X — massive VRAM

More VRAM than the RTX 5080 (16GB), making it relevant for AI workloads and 4K texture packs.

Generation-end clearance pricing

Street prices have dropped significantly below $1599 MSRP, offering 5090-adjacent performance for less.

Mature driver ecosystem

Over 2 years of driver optimizations make this one of the most stable GPUs available.