RTX 4090 Alternatives

Yes, if you prioritize VRAM over speed. 3090 runs the same 70B models, just 40% slower. At $700-900 used vs $1,600+ new, it's excellent value.

Yes! RTX 3090 (24GB), dual GPUs, or cloud rental all work. Speed varies but capability is the same.

Buy if you'll use 100+ hours per year. Rent if occasional. Cloud GPUs cost $0.30-0.80/hour.