Can Wan Video 2.2 14B run on Mac Studio M2 Ultra 128GB?
YES — Runs Great
S90Excellent
Wan Video 2.2 14B needs ~56.2 GB VRAM. Mac Studio M2 Ultra 128GB has 92.2 GB.
56.2 GB required92.2 GB available
61% VRAM used
Parameters
14B
Precision
FP16
Max Resolution
720×1280
VRAM
56.2 GB / 92.2 GB
Gen Time
~1m 21s/frame
Performance by workload
| Workload | Grade | Fit | VRAM | Per Frame |
|---|---|---|---|---|
| Short Clip | S | Runs natively | 56.2 GB | ~1m 21s |
| Long Video | A | Tight fit | 79.4 GB | ~1m 50s |
Video scenario compatibility
How Wan Video 2.2 14B (14B params) performs at each scenario on Mac Studio M2 Ultra 128GB (92.2 GB usable).
FP16 (full precision)
| Scenario | VRAM | Mac Studio M2 Ultra 128GB |
|---|---|---|
| 512×512 · 25 frames | 54.1 GB | S |
| 768×512 · 25 frames | 56.2 GB | S |
| 768×512 · 100 frames | 62.5 GB | S |
| 1280×720 · 25 frames | 64.6 GB | S |
FP8 (quantized — ~40% less VRAM)
| Scenario | VRAM | Mac Studio M2 Ultra 128GB |
|---|---|---|
| 512×512 · 25 frames | 29.5 GB | S |
| 768×512 · 25 frames | 31.6 GB | S |
| 768×512 · 100 frames | 37.9 GB | S |
| 1280×720 · 25 frames | 40.1 GB | S |
Memory breakdown
Required: 56.2 GBAvailable: 92.2 GB
Weights28.0 GB
VAE0.2 GB
Text Encoder18.8 GB
Activations6.0 GB
Overhead0.5 GB
Frequently asked questions
Can Mac Studio M2 Ultra 128GB run Wan Video 2.2 14B?
Yes, Mac Studio M2 Ultra 128GB can run Wan Video 2.2 14B for video generation. Runs natively.
How much VRAM does Wan Video 2.2 14B need?
Wan Video 2.2 14B (14B parameters) requires approximately 56.2 GB at FP16. Mac Studio M2 Ultra 128GB provides 92.2 GB.
What resolution and duration can Wan Video 2.2 14B produce on Mac Studio M2 Ultra 128GB?
On Mac Studio M2 Ultra 128GB, Wan Video 2.2 14B can generate video at up to 720x1280. Generation time is approximately 81.3 seconds per frame.
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