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Can the Intel Arc B580 Run Llama 3.1 8B?

Runs

Yes. Llama 3.1 8B at Q4_K_M is a 4.9 GB download (Hugging Face file listing for bartowski/Meta-Llama-3.1-8B-Instruct-GGUF), and the Intel Arc B580 has 12 GB of VRAM, leaving about 7.1 GB for the KV cache and runtime. Published runs put generation at a median of 40 tokens per second across 5 cited measurements. Fastest cited run: Run AI Home.

Model file4.9 GBQ4_K_M
VRAM12 GBIntel Arc B580
Headroom7.1 GBafter weights
Median speed40 tok/s5 cited runs
Bandwidth ceiling~93 tok/s456 GB/s ÷ 4.9 GB

Published runs for Llama 3.1 8B on the Intel Arc B580

GenerationQuantRuntimeContextSourceDate
41 tok/s q4_K_M llama.cpp Run AI Homelabelled "llama3.1:8b" 2026-01-01
41 tok/s q4_K_M llama.cpp dev.tolabelled "llama3.1:8b" 2026-01-01
40 tok/s q4_K_M llama.cpp InsiderLLMlabelled "llama3.1:8b" 2026-03-05
28 tok/s q4_K_M llama.cpp Compute Marketlabelled "llama3.1:8b" 2026-03-29
12.9 tok/s not stated llama.cpp InsiderLLMlabelled "llama3.1:8b" 2025-06-01

More about this pair

How much VRAM does Llama 3.1 8B need?

The Q4_K_M file is 4.9 GB. Add roughly 1.5 GB for the runtime and an ~8K-token context, so about 6.4 GB of VRAM holds it comfortably. Longer contexts grow the KV cache and need more.

What is the fastest Llama 3.1 8B can generate on the Intel Arc B580?

Generation reads every weight once per token, so the Intel Arc B580's 456 GB/s of memory bandwidth divided by the 4.9 GB file sets a ceiling near 93 tokens per second. Real runs land below it; SpecPicks rejects any published figure above it.

Check another pair

See the full matrix → · All Intel Arc B580 benchmarks →

Llama 3.1 8B on other GPUs

Other models on the Intel Arc B580

How the checks work

The fit is the Q4_K_M file size against the card's VRAM, with 1.5 GB kept for the runtime and an ~8K context. A published run counts only if the pair fits, the run is Q4-class, its source does not call it an estimate, it is under the bandwidth ceiling above, and it is not one figure pasted across many cards. The whole matrix is downloadable as a CSV under CC BY 4.0.

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This page is editorial synthesis based on publicly available information. No independent first-party benchmarking is reported.