
Llama 3.1 70B Instruct on NVIDIA GeForce RTX 4070 Ti 12GB
RTX 4070 Ti 12GB cannot run Llama 3.1 70B Instruct. 12 GB VRAM is insufficient at any quantization level.
Model Size
70.6B
Device VRAM
12 GB
Bandwidth
504 GB/s
Quantization
Q2_K
Performance by Quantization
OwnRig currently has one published compatibility entry for Llama 3.1 70B Instruct on NVIDIA GeForce RTX 4070 Ti 12GB at Q2_K. This pairing has limitations β check the rating and notes below.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q2_K | β | β | β Offload | Not viable | estimated |
Notes
Q2_K
Requires 48GB+ for viable quality.
About Llama 3.1 70B Instruct
Llama 3.1 70B Instruct (70.6B) is a chat, coding, ai coding, reasoning, multi-purpose model. Frontier-class open model. Approaches GPT-4 quality on many benchmarks. Requires significant VRAM; 48 GB+ recommended for usable quantizations. Well suited for serious local deployment.
View all Llama 3.1 70B Instruct hardware options βAbout NVIDIA GeForce RTX 4070 Ti 12GB
NVIDIA GeForce RTX 4070 Ti 12GB has 12 GB at 504 GB/s. Street price: $749.
See all models NVIDIA GeForce RTX 4070 Ti 12GB can run βEstimate method: 70B model exceeds 12GB. Reference hardware source: github.com (2026-03-15)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.