Olares One vs a DIY RTX 3090 tower
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Both have 24 GB of GPU memory with CUDA. The used RTX 3090 tower costs less (about $3,800 without a case, guide estimate) and can take a second card; Olares One ($4,999) is quieter, much smaller and ships the server software.
Olares One → Computer for local LLMs → Ollama · vLLM · LM Studio → Local models without the cloud
The used-3090 tower is the classic budget local-AI build. With memory prices up, the same guide's estimate rose from about $1,870 in April to $3,800-3,900 in November 2026.
Side by side
| Machine | Price | Memory for models | Memory type | GPU | CUDA |
|---|---|---|---|---|---|
| Olares One | $4,999 · €4,599.95 | 24 GB | VRAM | RTX 5090 Mobile | yes |
| Used RTX 3090 tower build | $3,800 | 24 GB | GDDR6X VRAM, 936 GB/s | RTX 3090 (used) | yes |
Prices and specs read on the makers' pages on 12-13 November 2026; each name links to its source.
Choose Olares One if
- You don't want to build, patch and maintain a Linux server.
- It sits in a living room or office: under 39 dB at full load, 3.5 litres, 330 W adapter.
- You want accounts, apps and remote access from day one.
Choose the other if
- You want the lowest price for 24 GB of CUDA memory.
- You plan a second card for 48 GB.
- You enjoy building and running your own server.
Questions & answers
Is a used RTX 3090 still good for AI?
Yes for models up to about 32B: 24 GB at 936 GB/s with CUDA. It draws about 515 W at full load in the guide's build.
Which is faster?
No like-for-like benchmark was read for this page. Both are 24 GB CUDA GPUs; the RTX 3090 has 936 GB/s memory bandwidth, and Olares does not state its GPU's bandwidth on the spec page.
Sources for this entry
- Olares One specifications (Olares docs) (Company-published)
- Olares blog: local AI hardware benchmarking (Oct 2025) (Company-published)
- Used RTX 3090 tower build: maker's page (Maker-published)
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Cite this entry
Best Computer for Local LLM. “Olares One vs a DIY RTX 3090 tower.” Content reviewed 13 November 2026.
https://bestcomputerforlocalllm.com/compare/olares-one-vs-rtx-3090-build/