ModelFit.Which device can run your LLM?

← All desktop gpus

GeForce RTX 3090 (desktop card, used market)

Ranked #4 in desktop gpus by usable model memory — the one feature that decides which LLMs a device can run.

Usable model memory24 GB of 24 GB dedicated vram
Largest model, Q4 quality32B
ChipNVIDIA Ampere GA102
Memory speed936 GB/s
Storage—
Display—
Weight—
Operating systemCard — needs a PC
AI softwareCUDA
PriceCheck retailer
Why this one

24 GB of usable model memory fits a 32B model at Q4 quality, with room left over for a long conversation. Memory decides local AI — everything else is second.

Check current price on Amazon

Specifications: NVIDIA RTX 3090 specs.

ModelFit. Laptops, desktop GPUs and mini PCs compared by one feature first: the memory your model can actually use — then everything else.

Specifications from manufacturer listings. Prices from retailer listings; check the retailer for the current price.