Local LLM model fit

Can my GPU run Llama 3.1 70B Instruct?

Llama 3.1 70B Instruct is a 70B Llama model. This page estimates Q4 VRAM fit, Ollama command, context planning, and fallback choices for common local AI GPUs.

Check Llama 3.1 70B Instruct in the calculator

Q4 runtime estimate44 GB
Ollama commandollama run llama3.1:70b
Recommended GPU48GB+ VRAM workstation or multi-GPU setup

Best use

High-quality local chat and reasoning on workstation-class hardware. Weakness: Too large for single 24GB consumer GPUs without heavy offload.

GPU fit table

HardwareExamplesClean capacityQ4 needStatusCalculator
6 GB VRAM entry GPUGTX 1660, RTX 2060 6GB4.50 GB clean VRAM44 GBToo largeOpen calculator
8 GB VRAM mainstream GPURTX 3060 Ti, RTX 4060, RTX 30706.50 GB clean VRAM44 GBToo largeOpen calculator
10 GB VRAM older high-end GPURTX 3080 10GB8.50 GB clean VRAM44 GBToo largeOpen calculator
12 GB VRAM local agent GPURTX 3060 12GB, RTX 407010.5 GB clean VRAM44 GBToo largeOpen calculator
16 GB VRAM creator GPURTX 4060 Ti 16GB, RTX 408014.5 GB clean VRAM44 GBRAM offloadOpen calculator
24 GB VRAM homelab workstationRTX 3090, RTX 409022.5 GB clean VRAM44 GBRAM offloadOpen calculator
48 GB VRAM workstationRTX A6000, L40S 48GB46.5 GB clean VRAM44 GBRuns locallyOpen calculator
Apple Silicon 32 GB unified memoryM2 Max 32GB, M3 Max 36GB26 GB unified44 GBToo largeOpen calculator

Quantization memory estimate on a 12GB GPU preset

QuantizationEstimated memoryUse case
Q4 / 4-bit44 GBDefault local inference balance
Q5 / 5-bit55 GBBetter quality, more VRAM
Q8 / 8-bit88 GBHigh quality, much more VRAM
FP16 / 16-bit176 GBMostly workstation/server use