Nvidia GeForce RTX 4090 vs Nvidia GeForce RTX 3080 Mobile
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 4090 leads Nvidia GeForce RTX 3080 Mobile overall by 5 points (85 vs 80 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
$1,599 at launch
Nvidia GeForce RTX 4090
85
Nvidia GeForce RTX 3080 Mobile
80
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 Jun 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
Nvidia GeForce RTX 3080 Mobile
The Nvidia GeForce RTX 3080 Mobile is a powerful graphics processing unit designed for demanding laptops, enabling high-fidelity gaming and complex creative workflows on the go. Its performance architecture, based on Ampere, makes it suitable for users who require desktop-class GPU performance in portable form factors. It targets enthusiasts and professionals who prioritize graphical capabilities without sacrificing mobility.
Best for PC GamingBest for Content CreationBest for Portable Workstations
Pros
- Delivers advanced graphics features through its RTX 30 series components.
- Appropriate for tasks requiring high processing power, compared to lower-tier mobile GPUs.
- Supports modern APIs such as Direct3D and Vulkan.
Cons
- Performance is dependent on the specific laptop manufacturer's thermal design and power limits (Mobile GPU nature).
- Older generation architecture relative to subsequent Nvidia releases.
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
Nvidia GeForce RTX 3080 Mobile
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 409039,178
Nvidia GeForce RTX 3080 Mobile16,739
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
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Detailed Specifications
The full spec sheet, side by side