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  3. /Nvidia GeForce RTX 4090 Mobile vs AMD Radeon RX 6800M

Nvidia GeForce RTX 4090 Mobile vs AMD Radeon RX 6800M

Verdict

Our overall take, at a glance

Key takeaways

  • Nvidia GeForce RTX 4090 Mobile leads AMD Radeon RX 6800M overall by 15 points (84 vs 69 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
AMD Radeon RX 6800M
69
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 Jul 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

AMD Radeon RX 6800M

The AMD Radeon RX 6800M is a high-performance mobile graphics processor designed to deliver competitive flagship-tier gaming to laptops. Built to challenge Nvidia's high-end laptop graphics dominance, this GPU is a core component of AMD Advantage Edition laptops where it is paired with Ryzen processors. It leverages AMD SmartShift technology to dynamically manage power allocation between the CPU and GPU to enhance overall system efficiency.

Best for High-performance mobile gaming on AMD-centric laptop configurationsBest for Gamers who want to maintain solid performance without always being plugged into
Pros
  • Delivers high-end gaming performance that directly competes with top-tier mobile GPUs like the RTX 3080
  • Utilizes AMD SmartShift technology for optimized, dynamic power distribution between the processor and graphics chip
  • Provides capable gaming and graphics performance even when running on battery power
Cons
  • Overall performance and optimization are highly dependent on specific laptop designs and platform integration
Video — reviews used (2)

Provided evaluations on gaming benchmarks, comparative performance against Nvidia, battery life testing, and AMD SmartShift functionality.

Generated Jul 4, 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

AMD Radeon RX 6800M

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Performance

Higher benchmark score = faster

Nvidia GeForce RTX 4090 Mobile30,798
AMD Radeon RX 6800M19,500
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
AMD Radeon RX 6800M
Base Frequency
2.22 GHz
1.815 GHz
Base Power
320 W
250 W
Maximum Frequency
2.52 GHz
2.105 GHz
Maximum Power
460 W
375 W
Lithography Process
4 nm
7 nm

Memory

Feature
Nvidia GeForce RTX 4090 Mobile
AMD Radeon RX 6800M
Capacity
24 GB
12 GB
Technology
Bus Width
384 bit
256 bit
Bandwidth
912 GB/s
576 GB/s
Is Shared
No
No

API Support

Feature
Nvidia GeForce RTX 4090 Mobile
AMD Radeon RX 6800M
DirectX Version
12
12
OpenGL Version
4.6
4.6
Vulkan Version
1.3
1.3
OpenCL Version
3
2

Theoretical Performance

Feature
Nvidia GeForce RTX 4090 Mobile
AMD Radeon RX 6800M
Pixel Rate
189.8 GP/s
147.2 GP/s
Texture Rate
515.3 GT/s
368 GT/s
Performance (FP16)
32.98 TFLOPS
35.3 TFLOPS
Performance (FP32)
32.98 TFLOPS
17.6 TFLOPS
Performance (FP64)
515.3 GFLOPS
1,103 GFLOPS

Benchmark

Feature
Nvidia GeForce RTX 4090 Mobile
AMD Radeon RX 6800M
G3D Mark
30,798
19,500

Miscellaneous

Feature
Nvidia GeForce RTX 4090 Mobile
AMD Radeon RX 6800M
Release Date
January 3, 2023
June 1, 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.

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