RTX 3090 vs RTX 5090 for local LLMs
The RTX 5090 runs more models well (49 vs 48 of 69), thanks to its 32 GB of memory. On models that fit both, the RTX 5090 should be about 91% faster, because generation speed follows memory bandwidth (1792 vs 936 GB/s).
NVIDIA RTX 3090
- 24 GB VRAM
- 936 GB/s bandwidth
- 48/69 models run well
- $1,499 at launch
NVIDIA RTX 5090
- 32 GB VRAM
- 1792 GB/s bandwidth
- 49/69 models run well
- $1,999 at launch
Prices are US launch prices (MSRP) for comparison; street prices change daily. Links go to Amazon, where we earn a commission at no cost to you.
Every model, side by side
Best quant that fits and estimated speed at 8K context.
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