MetaLlama 3.1 8B Instruct on NVIDIA RTX 4090 Laptop (150-175W)
Yes — RTX 4090 Laptop (150-175W) handles Llama 3.1 8B Instruct well at Q8_0 — 47 tok/s. Solid daily-driver performance on 16 GB VRAM.
Model Size
8.03B
Device VRAM
16 GB
Bandwidth
512 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for Llama 3.1 8B Instruct on NVIDIA RTX 4090 Laptop (150-175W) at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 47 tok/s | 141ms | ✓ Yes | Good | estimated |
Notes
Q8_0
Sustained post-thermal-throttle performance. TDP-capped laptop variant.
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. General capabilities with capable 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 RTX 4090 Laptop (150-175W)
NVIDIA RTX 4090 Laptop (150-175W) has 16 GB at 512 GB/s. Street price: $0.
See all models NVIDIA RTX 4090 Laptop (150-175W) can run →Estimate method: Community laptop benchmarks and thermal throttle reports. Reference hardware source: reddit.com (2026-03-14)
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.