Llama 3.1 70B Instruct on NVIDIA GeForce RTX 4070 Ti 12GB
NVIDIA GeForce RTX 4070 Ti 12GB cannot run Llama 3.1 70B Instruct at any quantization level. The 12 GB of VRAM is insufficient.
Model Size
70.6B
Device VRAM
12 GB
Bandwidth
504 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Llama 3.1 70B Instruct performance at a different quality level on NVIDIA GeForce RTX 4070 Ti 12GB.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q2_K | — | — | ✗ 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 — 48GB+ recommended for usable quantizations. Excellent for serious local deployment.
View all Llama 3.1 70B Instruct hardware options →About 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 →Source: 70B model exceeds 12GB (2026-03-15)
Data last updated: 2026-03-01