Nvidia GeForce RTX 4090 vs AMD Radeon RX 6900 XT
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 4090 leads AMD Radeon RX 6900 XT overall by 33 points (87 vs 54 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.
Nvidia GeForce RTX 4090 leads overall
Nvidia GeForce RTX 4090
87
AMD Radeon RX 6900 XT
54
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 6900 XT
The AMD Radeon RX 6900 XT is an enthusiast-class graphics card powered by the Navi 21 graphics processor and equipped with 16GB of GDDR6 memory. Designed for high-end desktop gaming, it targets users looking for flagship performance to challenge Nvidia's top-tier RTX 3090 but at a lower initial price point. The card introduces hardware-based ray tracing capabilities alongside AMD's Smart Access Memory technology.
Best for High-framerate 1440p and 4K gaming in traditional rasterized titles where ray trBest for PC builders with compatible Ryzen processors looking to leverage Smart Access Me
Pros
- Competitive traditional rasterization performance that closely matches the more expensive RTX 3090 in several titles
- Lower launch price compared to competing flagship graphics cards from Nvidia
- Performance advantages when utilizing Smart Access Memory on compatible AMD platforms
- Solid thermal and acoustic performance on the reference cooler design
Cons
- Disappointing ray-tracing performance compared to Nvidia's RTX 30-series competitors
- Lacked a mature, widely supported DLSS competitor for image upscaling at launch
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 6900 XT
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 409039,178
AMD Radeon RX 6900 XT24,168
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