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Llama 3.1 70B Instruct on NVIDIA GeForce RTX 3080 10GB

NVIDIA GeForce RTX 3080 10GB cannot run Llama 3.1 70B Instruct at any quantization level. The 10 GB of VRAM is insufficient.

Model Size

70.6B

Device VRAM

10 GB

Bandwidth

760 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 3080 10GB.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q2_K✗ OffloadNot Viableestimated

Notes

Q2_K

70B doesn't fit in 10GB.

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 3080 10GB

NVIDIA GeForce RTX 3080 10GB has 10 GB at 760 GB/s. Street price: $399.

See all models NVIDIA GeForce RTX 3080 10GB can run →

Source: Performance estimates based on model size and device bandwidth (2026-03-15)

Data last updated: 2026-03-01