Can I Run Llama 4.5 on NVIDIA GeForce RTX 4090?

Written by Jakub Rusinowski · Last updated July 10, 2026

No — the Llama 4.5 family does not fit in the NVIDIA GeForce RTX 4090's 24 GB VRAM.

NVIDIA GeForce RTX 4090 Specs

VRAM	24 GB
Memory Bandwidth	1008 GB/s

Why It Does Not Fit

Every Llama 4.5 variant requires more VRAM than the NVIDIA GeForce RTX 4090 provides (24 GB).

Nearest GPU That Fits

Apple M1 Max (64 GB VRAM).

FAQ

Can I run Llama 4.5 on the NVIDIA GeForce RTX 4090?

No — the Llama 4.5 family does not fit in the NVIDIA GeForce RTX 4090's 24 GB VRAM.

What GPU should I get instead to run Llama 4.5?

The Apple M1 Max (64 GB VRAM) is the cheapest upgrade that fits it.

Llama 4.5 on Other GPUs

• Llama 4.5 on NVIDIA GeForce RTX 3090
• Llama 4.5 on AMD Radeon RX 7900 XTX
• Llama 4.5 on Apple M4 Pro
• Llama 4.5 on Apple M3
• Llama 4.5 on Apple M2

Popular Models on the NVIDIA GeForce RTX 4090

• DeepSeek R1 on NVIDIA GeForce RTX 4090
• Qwen 3 on NVIDIA GeForce RTX 4090
• Qwen 2.5 Family on NVIDIA GeForce RTX 4090

VRAM Tier

• Best LLMs for 24 GB VRAM

Troubleshooting

• CUDA out of memory — why it happens and how to fix it
• Which GGUF quant should I download? (Q4 vs Q5 vs Q8)

Buying Guide

• Best GPU Buyer Guide 2026

← Can I Run It? | Llama 4.5 Model Page | NVIDIA GeForce RTX 4090 GPU Page | Check Your Hardware