text model · Qwen3 · Windows
Can I run Qwen3 4B on 32GB RAM Laptop (CPU/iGPU only)?
Yes. Qwen3 4B runs on 32GB RAM Laptop (CPU/iGPU only) at Q4_K_M (~3.8 GB of ~28 GB usable).
Runs at Q4_K_M using ~3.8 GB of ~28 GB usable. You have room for FP16 for higher quality.
- Q4_K_M needed
- ~3.8 GB
- Usable on device
- ~28 GB
- Device memory
- 32 GB
- Best quant
- Q4_K_M
Run it
Pick your tool. All three load the same Q4_K_M weights.
ollama run qwen3:4b llama-cli -hf Qwen/Qwen3-4B-GGUF:Q4_K_M lms get Qwen/Qwen3-4B-GGUF AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.
- Parameters
- 4B
- Q4_K_M size
- 2.5 GB
- Q8_0 size
- 4.28 GB
- Context
- 32k
- Ollama tag
- qwen3:4b
- Memory
- 32 GB ram
- Usable for weights
- ~28 GB
- Best runtime
- Ollama (llama.cpp backend)
You could also run
Run Qwen3 4B on other hardware
FAQ
Can 32GB RAM Laptop (CPU/iGPU only) run Qwen3 4B?
Yes. Qwen3 4B runs on 32GB RAM Laptop (CPU/iGPU only) at Q4_K_M (~3.8 GB of ~28 GB usable).
How much memory does Qwen3 4B need?
32GB RAM Laptop (CPU/iGPU only) has room to spare. At Q4_K_M the weights are ~2.5 GB; with KV cache and runtime overhead, budget ~3.8 GB at a 4k context.
What is the best tool to run Qwen3 4B on Windows?
LM Studio for a simple setup; Ollama (CUDA) for the most speed. AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.
Sources
Memory figures are estimates. See methodology.