video model · wan · macOS
WA Can I run Wan 2.1 T2V 1.3B on Apple M1 (8GB)?
Needs ~6 GB at Q4 GGUF, but only ~5.5 GB is usable on Apple M1 (8GB). With aggressive CPU offload it can run on as little as ~5 GB, much slower.
Needs ~6 GB at Q4 GGUF, but only ~5.5 GB is usable on Apple M1 (8GB). With aggressive CPU offload it can run on as little as ~5 GB, much slower.
- Peak VRAM
- ~6 GB
- Usable on device
- ~5.5 GB
- Device memory
- 8 GB
- Quant
- Q4 GGUF
- Type
- video (DIT)
- Parameters
- 1.3B
- Peak VRAM
- ~6 GB at Q4 GGUF
- Resolution
- 832×480 (480p)
- License
- Apache-2.0
- Memory
- 8 GB unified
- Usable for weights
- ~5.5 GB
- Best runtime
- Ollama (llama.cpp Metal backend)
Run Wan 2.1 T2V 1.3B on other hardware
FAQ
Can Apple M1 (8GB) run Wan 2.1 T2V 1.3B?
Needs ~6 GB at Q4 GGUF, but only ~5.5 GB is usable on Apple M1 (8GB). With aggressive CPU offload it can run on as little as ~5 GB, much slower.
How much VRAM does Wan 2.1 T2V 1.3B need?
Apple M1 (8GB) does not have enough memory. At Q4 GGUF the realistic peak is ~6 GB of VRAM, versus ~20 GB with every component kept resident (no offload). With aggressive CPU offload it drops to ~5 GB, much slower.
What do I use to run Wan 2.1 T2V 1.3B locally?
Wan 2.1 T2V 1.3B runs in ComfyUI or Diffusers. It loads as a video diffusion checkpoint plus its text encoder and VAE, not a single chat command.
Sources
VRAM figures are sourced peak-usage anchors at the noted quant, validated 2026-06-15. See methodology.