Llama 3.1 8B Instruct on NVIDIA GeForce RTX 3090
NVIDIA GeForce RTX 3090 runs Llama 3.1 8B Instruct excellently at 70 tok/s at Q8_0. This is a strong pairing.
Model Size
8.03B
Device VRAM
24 GB
Bandwidth
936 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 3090.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 70 tok/s | 95ms | ✓ Yes | Excellent | estimated |
Notes
Q8_0
Strong performance from 936 GB/s bandwidth. 15GB VRAM headroom.
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 3090
NVIDIA GeForce RTX 3090 has 24 GB at 936 GB/s. Street price: $899.
See all models NVIDIA GeForce RTX 3090 can run →Builds with NVIDIA GeForce RTX 3090
Extreme AI Workstation
2x NVIDIA GeForce RTX 3090 (Used) · 128GB DDR5-5600 (4x32GB)
High-End Home AI Server
2x NVIDIA GeForce RTX 3090 24GB (Used) + NVLink Bridge · 128GB DDR5-5600 (4x32GB)
Mid-Range Home AI Server
NVIDIA GeForce RTX 3090 24GB (Used) · 64GB DDR5-5600 (2x32GB)
Source: Community benchmarks (2026-01-15)
Data last updated: 2026-03-01