Alibaba

Qwen 2.5 0.5B

Alibaba·0.5B·Qwen·32K ctx·2026-08

Check on my hardwareAdd to compare →Ollama →Hugging Face →

Model size→Hardware requirement→Actual fit

Qwen 2.5 0.5B needs ~1.6–1.9 GB of VRAM depending on quantization. The bar is what it needs; the marker is the card's VRAM. Speed figures below are planning estimates.

8 GB

RTX 4060 · 3060 Ti

1.9
8
Q8_0 · Est. ~15 tok/sComfortable

12 GB

RTX 4070 · 3060 12G

1.9
12
Q8_0 · Est. ~26 tok/sComfortable

16 GB

RTX 4080 · M-series 16G

1.9
16
Q8_0 · Est. ~40 tok/sComfortable

24 GB

RTX 4090 · 3090

1.9
24
Q8_0 · Est. ~62 tok/sComfortable

48 GB

A6000 · 2×24G

1.9
48
Q8_0 · Est. ~62 tok/sComfortable

02  — Quantizations

QuantFile sizeEst. VRAM
Q4_K_M0.4 GB1.6 GB
Q5_K_M0.5 GB1.7 GB
Q8_00.7 GB1.9 GB

03  — Runtimes & use

llama.cpp · Ollama · LM Studio

General · Fast

Memory and speed figures are planning estimates, not measured benchmarks. Memory includes a fixed allowance for KV cache and runtime overhead. Long-context prompts push VRAM use above the numbers shown here.