RunLocalAI
nvidia
LAPTOP
24GB VRAM
enthusiast

ASUS ROG Strix Scar 18 (RTX 5090 Mobile)

Desktop-replacement gaming/AI laptop with cooler thermals than ultraslims.

Released 2025

Overview

Desktop-replacement gaming/AI laptop with cooler thermals than ultraslims.

Specs

VRAM24 GB
System RAM (typical)64 GB
Power draw330 W
Released2025
MSRP$3999
Backends
CUDA
Vulkan

Models that fit

Open-weight models small enough to run on ASUS ROG Strix Scar 18 (RTX 5090 Mobile) with usable context.

Llama 3.1 8B Instruct
8B · llama
Qwen 3 8B
8B · qwen
Qwen 3 14B
14B · qwen
Llama 3.2 3B Instruct
3B · llama
Qwen 2.5 7B Instruct
7B · qwen
Phi-4 14B
14B · phi
DeepSeek R1 Distill Qwen 7B
7B · deepseek
Qwen 2.5 14B Instruct
14B · qwen
Compare alternatives

Hardware worth comparing

Same VRAM tier and the one step above and below — so you can frame the buying decision against real options.

Step up
More VRAM — bigger models, more context
No verdicted hardware in the next tier up yet.
Step down
Less VRAM — cheaper, more constrained

Frequently asked

What models can ASUS ROG Strix Scar 18 (RTX 5090 Mobile) run?

With 24GB VRAM, the ASUS ROG Strix Scar 18 (RTX 5090 Mobile) runs models up to ~32B in 4-bit, with room for context. See the model list below for tested combinations.

Does ASUS ROG Strix Scar 18 (RTX 5090 Mobile) support CUDA?

Yes — ASUS ROG Strix Scar 18 (RTX 5090 Mobile) is an NVIDIA card with full CUDA support, the most mature local-AI backend. llama.cpp, Ollama, vLLM, and ExLlamaV2 all run natively.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we research and verify hardware specifications.