video model · wan · macOS
WA Can I run Wan 2.1 T2V 14B on Apple M5 (16GB)?
Needs ~12 GB at Q4 GGUF, but only ~10.5 GB is usable on Apple M5 (16GB). With aggressive CPU offload it can run on as little as ~8 GB, much slower.
Needs ~12 GB at Q4 GGUF, but only ~10.5 GB is usable on Apple M5 (16GB). With aggressive CPU offload it can run on as little as ~8 GB, much slower.
- Peak VRAM
- ~12 GB
- Usable on device
- ~10.5 GB
- Device memory
- 16 GB
- Quant
- Q4 GGUF
- Type
- video (DIT)
- Parameters
- 14B
- Peak VRAM
- ~12 GB at Q4 GGUF
- Resolution
- 1280×720 (720p)
- License
- Apache-2.0
- Memory
- 16 GB unified
- Usable for weights
- ~10.5 GB
- Best runtime
- MLX direct / Ollama (MLX backend)
What you can run instead
Run Wan 2.1 T2V 14B on other hardware
FAQ
Can Apple M5 (16GB) run Wan 2.1 T2V 14B?
Needs ~12 GB at Q4 GGUF, but only ~10.5 GB is usable on Apple M5 (16GB). With aggressive CPU offload it can run on as little as ~8 GB, much slower.
How much VRAM does Wan 2.1 T2V 14B need?
Apple M5 (16GB) does not have enough memory. At Q4 GGUF the realistic peak is ~12 GB of VRAM, versus ~40 GB with every component kept resident (no offload). With aggressive CPU offload it drops to ~8 GB, much slower.
What do I use to run Wan 2.1 T2V 14B locally?
Wan 2.1 T2V 14B 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.