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  3. /Nvidia GeForce RTX 4090 Mobile vs Nvidia GeForce RTX 3080 Ti Mobile

Nvidia GeForce RTX 4090 Mobile vs Nvidia GeForce RTX 3080 Ti Mobile

Verdict

Our overall take, at a glance

Key takeaways

  • Nvidia GeForce RTX 4090 Mobile leads Nvidia GeForce RTX 3080 Ti Mobile overall by 16 points (84 vs 68 out of 100).
  • Nvidia GeForce RTX 4090 Mobile stands out on Core Specifications Base Power: 320 W, Core Specifications Maximum Power: 460 W, Core Specifications Lithography Process: 4 nm.
Nvidia GeForce RTX 4090 Mobile leads overall
Nvidia GeForce RTX 4090 Mobile
84
Nvidia GeForce RTX 3080 Ti Mobile
68
Why it stands out
  • Core Specifications Base Power: 320 W
  • Core Specifications Maximum Power: 460 W
  • Core Specifications Lithography Process: 4 nm

Strengths Profile

Bigger shape = stronger. Whoever reaches further wins that category.

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
Source
  • GeForce RTX 40 series - WikipediaOverview of the RTX 40 series, addressing its architecture and initial models.
Video — reviews used (2)

Generated Jun 28, 2026

Nvidia GeForce RTX 3080 Ti Mobile

The GeForce RTX 30 series is a line of GPUs developed by Nvidia based on the Ampere architecture. It features second-generation ray tracing (RT) cores and third-generation Tensor Cores, with the RTX 3080 Ti being an enthusiast-class model in this suite.

Best for Enthusiast
Pros
  • The GPU belongs to the GeForce RTX series.
  • It was part of a lineup designed to compete with AMD's Radeon RX 6000 series of cards.
Source
  • GeForce RTX 30 series - WikipediaProvides an overview of the RTX 30 series lineup and specifications.

Generated Jun 28, 2026

Value for Money

Which is the better deal for the price

Enter today's price for each product to see which offers better value. Use the same currency for both.

Nvidia GeForce RTX 4090 Mobile

Check Price on Amazon

Nvidia GeForce RTX 3080 Ti Mobile

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Performance

Higher benchmark score = faster

Nvidia GeForce RTX 4090 Mobile30,798
Nvidia GeForce RTX 3080 Ti Mobile20,478
See the raw benchmark values →

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

Core Specifications

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
Base Frequency
2.22 GHz
1.365 GHz
Base Power
320 W
200 W
Maximum Frequency
2.52 GHz
1.86 GHz
Maximum Power
460 W
350 W
Lithography Process
4 nm
8 nm

Memory

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
Capacity
24 GB
12 GB
Technology
Bus Width
384 bit
384 bit
Bandwidth
912 GB/s
864 GB/s
Is Shared
No
No

API Support

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
DirectX Version
12
12
OpenGL Version
4.6
4.6
Vulkan Version
1.3
1.3
OpenCL Version
3
3

Theoretical Performance

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
Pixel Rate
189.8 GP/s
121 GP/s
Texture Rate
515.3 GT/s
292.3 GT/s
Performance (FP16)
32.98 TFLOPS
18.71 TFLOPS
Performance (FP32)
32.98 TFLOPS
18.71 TFLOPS
Performance (FP64)
515.3 GFLOPS
292.3 GFLOPS

Benchmark

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
G3D Mark
30,798
20,478

Miscellaneous

Feature
Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 3080 Ti Mobile
Release Date
January 3, 2023
January 25, 2022
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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