Nvidia GeForce RTX 4090 vs AMD Radeon RX 6600M
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 4090 leads AMD Radeon RX 6600M overall by 50 points (86 vs 36 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
86
AMD Radeon RX 6600M
36
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 6600M
The AMD Radeon RX 6600M is a mid-range mobile graphics processor designed for mainstream gaming laptops. It serves as a direct competitor to Nvidia's GeForce RTX 3060 Laptop GPU, aiming to deliver high-value performance in portable systems.
Best for Mid-range laptop gaming at 1080p resolutionsBest for Budget-conscious buyers looking for competitive performance-per-dollar
Pros
- Positioned as a strong value alternative in the mid-range laptop market
- Provides competitive gaming performance relative to mainstream competitors
Cons
- Faces intense competition from the Nvidia GeForce RTX 3060, which is widely adopted in this price tier
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 6600M
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 409039,178
AMD Radeon RX 6600M15,000
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side