RTX 3060
RTX 3060 vs 3060 Ti vs 3070 for Local AI
The RTX 3060 has 12GB VRAM, the 3060 Ti and 3070 only have 8GB. For LLMs, the cheapest card wins — it runs 14B models the others can't fit. Speeds, prices, and when the 3070 still makes sense.
Best Used GPUs for Local AI: 2026 Buying Guide
RTX 3090 at $700-850 for 24GB, RTX 3060 12GB at $170-220, RTX 3080 at $350-400. Tier rankings, fair prices, what to avoid (skip the 8GB 3070), and where to buy safely.
Best GPU Under $500 for Local AI (2026 Picks)
Find the best GPU under $500 for running local AI in 2026. RTX 4060 Ti 16GB, used RTX 3080, RTX 3060 12GB, and RX 7700 XT compared with real benchmarks.
Best GPU Under $300 for Local AI (2026 Picks)
Find the best GPU under $300 for local AI. We compare the RTX 3060 12GB, RX 7600, and Intel Arc B580 with VRAM analysis, LLM benchmarks, and real pricing.
Used GPU Buying Guide for Local AI: How to Buy Smart
RTX 3060 12GB for ~$200, RTX 3090 24GB for ~$750—used GPUs offer 2-3x the VRAM per dollar vs new. Fair prices, scam red flags, and where to buy safely.
What Can You Actually Run on 12GB VRAM?
Qwen 3.5 9B at Q8_0 runs near-lossless on 12GB, Qwen 2.5 14B at Q4 hits 30 tok/s, and SDXL generates without workarounds. Every model that fits on an RTX 3060 12GB and the best upgrade path.
Used Optiplex + RTX 3060 = Local AI for Under $450 (Full Build)
$100 used Optiplex, $180 RTX 3060 12GB, done. Runs 14B LLMs at 25 tokens/sec and Stable Diffusion out of the box. Complete parts list, where to buy cheap, assembly photos, and first benchmarks.