Llama 3.1 8B Instruct on NVIDIA GeForce RTX 3080 10GB
NVIDIA GeForce RTX 3080 10GB runs Llama 3.1 8B Instruct excellently at 50 tok/s at Q5_K_M. This is a strong pairing.
Model Size
8.03B
Device VRAM
10 GB
Bandwidth
760 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Llama 3.1 8B Instruct performance at a different quality level on NVIDIA GeForce RTX 3080 10GB.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q5_K_M | 50 tok/s | 120ms | ✓ Yes | Excellent | estimated |
Notes
Q5_K_M
760 GB/s bandwidth makes 8B models very fast despite tight 10GB VRAM.
About Llama 3.1 8B Instruct
Llama 3.1 8B Instruct (8.03B) is a chat, coding, ai coding, reasoning, multi-purpose model. Best-in-class 8B model. Strong general capabilities with excellent coding support. The go-to small model for local inference — fast, accurate, and well-supported across all inference engines.
View all Llama 3.1 8B 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