Nvidia GeForce RTX 4080 vs Nvidia GeForce RTX 3080 Mobile

Updated Jun 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Nvidia GeForce RTX 4080 is the better pick — it scores 81/100 to the Nvidia GeForce RTX 3080 Mobile's 46, leading on Memory and Theoretical Performance. Choose the Nvidia GeForce RTX 3080 Mobile instead if core specifications matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Nvidia GeForce RTX 4080 leads overall

Nvidia GeForce RTX 4080

Nvidia GeForce RTX 3080 Mobile

Why it stands out

Core Specifications Maximum Power: 320 W (113% more)
Memory Capacity: 16 GB (100% more)
Theoretical Performance Performance (FP16): 48.737 TFLOPS (120% more)

Winner by category for Nvidia GeForce RTX 4080 vs Nvidia GeForce RTX 3080 Mobile
Category	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile	Winner
Core Specifications	44	84	Nvidia GeForce RTX 3080 Mobile
Memory	81	42	Nvidia GeForce RTX 4080
API Support	50	50	Tie
Theoretical Performance	84	48	Nvidia GeForce RTX 4080
Benchmark	89	41	Nvidia GeForce RTX 4080
Miscellaneous	87	32	Nvidia GeForce RTX 4080

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 4080

The GeForce RTX 40 series is a family of consumer GPUs from Nvidia's GeForce line, succeeding the RTX 30 series. The cards are based on the Ada Lovelace architecture and include third-generation RT cores for ray tracing and fourth-generation Tensor Cores.

Best for High-end computingBest for Graphics processing

Pros

Features native support for DirectX Direct3D 12.0 Ultimate (feature level 12_2)
Includes a new generation of Optical Flow Accelerator to aid DLSS 3.0 frame generation
Supports DisplayPort 1.4a and HDMI 2.1 display connections

Cons

The RTX 4080 12GB was noted for potential failures related to the 12VHPWR connector.

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 4080

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Nvidia GeForce RTX 3080 Mobile

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Performance

Higher benchmark score = faster

Nvidia GeForce RTX 408034,437

Nvidia GeForce RTX 3080 Mobile16,036

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 4080	Nvidia GeForce RTX 3080 Mobile
Base Frequency	2.205 GHz	N/A
Base Power	N/A	80 W
Maximum Frequency	2.505 GHz	1.81 GHz
Maximum Power	320 W113% more	150 W
Lithography Process	5 nm38% less	8 nm

Memory

Feature	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile
Capacity	16 GB100% more	8 GB
Technology
Bus Width	256 bit	256 bit
Bandwidth	716.8 GB/s60% more	448 GB/s
Is Shared	No	No

API Support

Feature	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile
DirectX Version	12	12
OpenGL Version	4.6	4.6
Vulkan Version	1.4	1.4
OpenCL Version	3	3

Theoretical Performance

Feature	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile
Pixel Rate	281.2 GP/s	148.3 GP/s
Texture Rate	761.5 GT/s	296.6 GT/s
Performance (FP16)	48.737 TFLOPS120% more	22.2 TFLOPS
Performance (FP32)	48.7 TFLOPS119% more	22.2 TFLOPS
Performance (FP64)	761.5 GFLOPS	328 GFLOPS

Benchmark

Feature	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile
G3D Mark	34,437115% more	16,036

Miscellaneous

Feature	Nvidia GeForce RTX 4080	Nvidia GeForce RTX 3080 Mobile
Release Date	November 16, 2022	January 12, 2021
Platform

Specification Note

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

Frequently Asked Questions

Common questions about Nvidia GeForce RTX 4080 vs Nvidia GeForce RTX 3080 Mobile comparison

Based on our overall comparison score, Nvidia GeForce RTX 4080 rates higher at 88/100 versus 55/100 for Nvidia GeForce RTX 3080 Mobile — a 33-point lead. Nvidia GeForce RTX 4080 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 4080 and Nvidia GeForce RTX 3080 Mobile 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 88/100 for Nvidia GeForce RTX 4080 and 55/100 for Nvidia GeForce RTX 3080 Mobile.

If you want the higher-rated gpus option overall, Nvidia GeForce RTX 4080 (88/100) edges out Nvidia GeForce RTX 3080 Mobile (55/100). But if Nvidia GeForce RTX 3080 Mobile 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.