Based on our overall comparison score, Nvidia GeForce RTX 4090 Mobile rates higher at 83/100 versus 72/100 for Nvidia GeForce RTX 3080 — a 11-point lead. Nvidia GeForce RTX 4090 Mobile is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Nvidia GeForce RTX 4090 Mobile vs Nvidia GeForce RTX 3080
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce RTX 4090 Mobile leads Nvidia GeForce RTX 3080 overall by 10 points (70 vs 60 out of 100).
- Nvidia GeForce RTX 4090 Mobile stands out on Core Specifications Maximum Power: 460 W, Core Specifications Lithography Process: 4 nm, Memory Capacity: 24 GB.
Nvidia GeForce RTX 4090 Mobile leads overall
Nvidia GeForce RTX 4090 Mobile
70
Nvidia GeForce RTX 3080
60
Why it stands out
- Core Specifications Maximum Power: 460 W
- Core Specifications Lithography Process: 4 nm
- Memory Capacity: 24 GB
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 3080
The GeForce RTX 3080 is a GPU from the Nvidia RTX series, based on the Ampere architecture. It was part of a lineup that included various models for different performance tiers. It features Nvidia's second-generation ray tracing (RT) cores and third-generation Tensor Cores.
Best for High-end computing
Pros
- Was available in both 10GB and 12GB versions
- Supports Direct3D, OpenGL, Vulkan, and OpenCL APIs
Cons
- The latest drivers require at least Windows 10
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 3080
Performance
Higher benchmark score = faster
Nvidia GeForce RTX 4090 Mobile30,798
Nvidia GeForce RTX 308024,400
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 3080 comparison
Nvidia GeForce RTX 4090 Mobile and Nvidia GeForce RTX 3080 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 72/100 for Nvidia GeForce RTX 3080.
If you want the higher-rated gpus option overall, Nvidia GeForce RTX 4090 Mobile (83/100) edges out Nvidia GeForce RTX 3080 (72/100). But if Nvidia GeForce RTX 3080 is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.