8–12 GB GPU local AI PC: build list and prebuilts
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A system with 8–12 GB of GPU memory (VRAM) runs 8B–14B chat models at Q4, SDXL, Whisper, FLUX at Q4. Complete-system route: A prebuilt desktop or laptop with a 12 GB GPU. Build route: 12 GB GPU, 32 GB RAM, the PSU size the card listing advises, 1 TB NVMe
Good, Better, Best: 8–12 GB GPU
Cheapest 12 GB card we priced
ASRock Challenger Intel Arc B580 12GB
$329.99 Newegg · checked Oct 27, 2026, about 12:35 PM CT
Holds 8B–14B chat models at Q4 and SDXL (per the sources). Needs a desktop to go in; check your runtime supports Intel Arc.
Sold by Newegg, seen on the product page
Check price at Newegg (opens in a new tab)
Step up to 16 GB
ASUS Dual GeForce RTX 5060 Ti 16GB OC
Price shown at Amazon
4 GB more VRAM than the Good pick, which opens up gpt-oss 20B (14 GB download). Needs a desktop to go in.
Sold at Amazon.
Check price at Amazon (opens in a new tab)
Complete PC, nothing to build
ABS Cyclone Aqua gaming PC (Core i7-14700F, RTX 5060 Ti 16GB, 16GB DDR5, 1TB SSD)
$1,599.99 Newegg · checked Oct 27, 2026, about 12:35 PM CT
One box with the 16 GB card already inside. Ships with 16 GB system RAM; plan an upgrade to 32 GB.
Sold by Newegg, seen on the product page. Ships with 16 GB system RAM; plan an upgrade to 32 GB.
Check price at Newegg (opens in a new tab)Models that start at this tier
| Model | Memory needed | Format | Context | Smallest tier (our estimate) | Source |
|---|---|---|---|---|---|
 Llama 3.1 8BMeta · Text | 4.9 GB | Q4_K_M | 128K | 8–12 GB GPU8–12 GB GPU | Ollama: llama3.1 tags |
 SDXL 1.0Stability AI · Image | 8 GB VRAM | as published | — | 8–12 GB GPU8–12 GB GPU | Stability AI: SDXL 1.0 announcement |
 Whisper large / turboOpenAI · Speech | ~10 GB / ~6 GB VRAM | as published | — | 8–12 GB GPU8–12 GB GPU | OpenAI Whisper README (model sizes and VRAM) |
 Phi-4 14BMicrosoft · Text | 9.1 GB | Q4_K_M | 16K | 8–12 GB GPU12 GB GPU (tight), 16 GB comfortable | Ollama: phi4 tags |
 Qwen3 14BAlibaba Qwen · Text | 9.3 GB | Q4_K_M | 40K | 8–12 GB GPU12 GB GPU (tight), 16 GB comfortable | Ollama: qwen3 tags |
Bigger tiers run everything smaller tiers do. Memory is the Ollama download size at the listed format; add roughly 1–4 GB for context and runtime (our estimate).
Can it run? Model pages for this tier
Complete system
Not picked yet. We have not chosen and priced a 8–12 GB prebuilt or laptop. Until then, the cheapest complete system that covers this tier is the 16 GB prebuilt.
Build it yourself
ASRock Challenger Intel Arc B580 12GB
$329.99 Newegg · checked Oct 27, 2026, about 12:35 PM CT
Sold by Newegg, seen on the product page
Check price at Newegg (opens in a new tab)Rest of the parts list
| Part | Target | Pick | Price |
|---|---|---|---|
| System RAM | 32 GB (2 × 16 GB) DDR5 | Not picked yet | Price not checked |
| Storage | 1 TB NVMe SSD | Not picked yet | Price not checked |
| Power supply | The wattage the GPU listing recommends (the plan notes 650 W for the B580 card) | Not picked yet | Price not checked |
| CPU, motherboard, case, cooler | Any current desktop platform; not picked yet | Not picked yet | Price not checked |
Build order, step by step
- Pick the GPU first. Choose a new 8–12 GB card from the list below. VRAM decides which models fit.
- Size the power supply from the card listing. Use the PSU wattage the GPU maker or listing recommends, not a guess.
- Add system RAM. 32 GB (2 × 16 GB) DDR5
- Add fast storage for model files. 1 TB NVMe SSD
- Choose CPU, motherboard, case and cooler. Any current desktop platform with a full-length x16 slot and room for the card.
- Install a runtime and pull a model. Install a local runtime such as Ollama and download a model from the table on this page.
FAQ
What can a 8–12 GB GPU system run?
8B–14B chat models at Q4, SDXL, Whisper, FLUX at Q4. Memory figures come from the Ollama library and maker pages; the tier calls are our estimates.
Should I buy a prebuilt or build a 8–12 GB GPU PC?
A prebuilt is one purchase with one warranty. Building lets you pick each part. We have not priced the full parts list yet, so we cannot say which is cheaper.
Do you recommend used GPUs?
No. FitMyModel lists new retail hardware with a warranty only, from Amazon, Newegg and Minisforum.
