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Compatibility Report

Llama 3.1 8B Instruct on NVIDIA GeForce RTX 4080 Super

Yes — RTX 4080 Super runs Llama 3.1 8B Instruct excellently at Q8_0 — 82 tok/s. 16 GB VRAM with plenty of headroom.

Model Size

8.03B

Device VRAM

16 GB

Bandwidth

736 GB/s

Quantization

Q8_0

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Llama 3.1 8B Instruct on NVIDIA GeForce RTX 4080 Super at Q8_0. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q8_082 tok/s75ms✓ YesExcellentestimated

Notes

Q8_0

4080 Super (736 GB/s) between 4070 Ti and 4090. Full Q8 quality.

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 GeForce RTX 4080 Super

NVIDIA GeForce RTX 4080 Super has 16 GB at 736 GB/s. Street price: $979.

See all models NVIDIA GeForce RTX 4080 Super can run →

Estimate method: Community benchmarks and estimated performance. Reference hardware source: github.com (2026-03-01)

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.