Nvidia GeForce RTX 4090 vs AMD Radeon RX 6600 XT
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 4090 leads AMD Radeon RX 6600 XT overall by 39 points (87 vs 48 out of 100).
- Nvidia GeForce RTX 4090 stands out on Core Specifications Base Power: 450 W, Core Specifications Maximum Power: 575 W, Core Specifications Lithography Process: 4 nm.
- Best value: AMD Radeon RX 6600 XT (from $379) — the strongest score-per-dollar of the two.
Nvidia GeForce RTX 4090 leads overall
Nvidia GeForce RTX 4090
87
AMD Radeon RX 6600 XT
48
Why it stands out
- Core Specifications Base Power: 450 W
- Core Specifications Maximum Power: 575 W
- Core Specifications Lithography Process: 4 nm
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 2026.
Nvidia GeForce RTX 4090
The GeForce RTX 4090 is the flagship graphics card in Nvidia's consumer GPU family, succeeding the GeForce RTX 30 series. It is based on Nvidia's Ada Lovelace architecture and features third-generation RT cores and fourth-generation Tensor Cores for hardware acceleration.
Best for High-end graphics tasks
Pros
- Features a TSMC 4N process designed by Nvidia
- Includes three-generation Ray Tracing Cores for accelerated ray tracing
- Supports OpenGL 4.6, Vulkan 1.4, and DirectX Direct3D 12.0 Ultimate APIs
- Features dual NVENC with 8K 10-bit 120FPS AV1 fixed function hardware encoding
Cons
- No NVLink support
- Double-precision performance is 1/64 of single-precision performance
AMD Radeon RX 6600 XT
The AMD Radeon RX 6600 XT is a mid-range graphics card designed primarily to deliver high frame rates at 1080p resolution. Aimed at mainstream desktop gamers, it serves as a dedicated solution for high-definition gaming without demanding excessive power.
Best for High-refresh-rate 1080p gamingBest for Power-efficient desktop PC builds
Pros
- Strong average performance when running games at 1080p
- Low power consumption requirements during operation
Cons
- High initial pricing that challenges its overall market value
- Significant performance drop-offs at higher resolutions like 1440p and 4K
- Underwhelming ray tracing capabilities compared to contemporary competitors
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Nvidia GeForce RTX 4090
AMD Radeon RX 6600 XT
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 409039,178
AMD Radeon RX 6600 XT16,000
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Review Videos
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Detailed Specifications
The full spec sheet, side by side