They are closely matched: Nvidia GeForce RTX 4090 Mobile scores 83/100 and Nvidia GeForce RTX 3090 scores 82/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
Nvidia GeForce RTX 4090 Mobile vs Nvidia GeForce RTX 3090
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 3090 leads Nvidia GeForce RTX 4090 Mobile overall by 16 points (80 vs 64 out of 100).
- Nvidia GeForce RTX 3090 stands out on Memory Technology: GDDR6X, Memory Bandwidth: 960 GB/s, Theoretical Performance Performance (FP16): 71 TFLOPS.
Nvidia GeForce RTX 3090 leads overall
Nvidia GeForce RTX 3090
80
Nvidia GeForce RTX 4090 Mobile
64
Why it stands out
- Memory Technology: GDDR6X
- Memory Bandwidth: 960 GB/s
- Theoretical Performance Performance (FP16): 71 TFLOPS
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 Mobile
The GeForce RTX 40 series includes GPUs manufactured by Nvidia that succeeded models from the previous generation. These graphics processing units are based on the Ada Lovelace architecture, featuring third-generation RT cores for ray tracing and fourth-generation Tensor Cores.
Best for high performance computing
Pros
- Utilizes the Ada Lovelace architecture
- Supports features like Optical Flow Accelerator for DLSS 3.0 frame generation
Nvidia GeForce RTX 3090
This is a high-end GPU utilizing the Ampere architecture, built for intensive visual computing tasks. Its advanced design caters to professionals in fields requiring extreme graphical fidelity, including rendering, scientific visualization, and complex model design.
Best for 3D Content CreationBest for Architectural VisualizationBest for Professional Rendering Workstations
Pros
- Utilizes Ampere-based hardware, placing it among Nvidia's powerful lines of GPUs.
- Supports features vital for modern computer graphics, such as ray tracing acceleration.
- General support for multiple graphics APIs (e.g., OptiX and DXR) enables use in varied professional software suites.
Cons
- Targeting high-end institutional or workstation needs suggests a focus away from typical mainstream consumer gaming
- Its high-end nature implies significant power consumption requirements.
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 Mobile
Nvidia GeForce RTX 3090
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 4090 Mobile30,798
Nvidia GeForce RTX 309026,564
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
Frequently Asked Questions
Common questions about Nvidia GeForce RTX 4090 Mobile vs Nvidia GeForce RTX 3090 comparison
Nvidia GeForce RTX 4090 Mobile and Nvidia GeForce RTX 3090 are compared side by side above across every spec in the gpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 83/100 for Nvidia GeForce RTX 4090 Mobile and 82/100 for Nvidia GeForce RTX 3090.
It's close — Nvidia GeForce RTX 4090 Mobile (83/100) and Nvidia GeForce RTX 3090 (82/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.