Can LTX Video 2B run on MacBook Pro M3 Max 128GB?
YES — Runs Great
S90Excellent
LTX Video 2B needs ~12.0 GB VRAM. MacBook Pro M3 Max 128GB has 92.2 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 12.0 GB | Runs natively | S |
| FP8 | 14.1 GB | Runs natively | S |
12.0 GB required92.2 GB available
13% VRAM used
Parameters
2B
Precision
FP16
Max Resolution
1280×720
VRAM
12.0 GB / 92.2 GB
Gen Time
~36.1s/frame
Performance by workload
| Workload | Grade | Fit | VRAM | Per Frame |
|---|---|---|---|---|
| Short Clip | S | Runs natively | 12.0 GB | ~36.1s |
| Long Video | S | Runs natively | 32.5 GB | ~48.8s |
Video scenario compatibility
How LTX Video 2B (2B params) performs at each scenario on MacBook Pro M3 Max 128GB (92.2 GB usable).
FP16 (full precision)
| Scenario | VRAM | MacBook Pro M3 Max 128GB |
|---|---|---|
| 512×512 · 25 frames | 13.9 GB | S● |
| 768×512 · 25 frames | 12.0 GB | S● |
| 768×512 · 100 frames | 12.0 GB | S● |
| 1280×720 · 25 frames | 21.7 GB | S● |
FP8 (quantized — ~40% less VRAM)
| Scenario | VRAM | MacBook Pro M3 Max 128GB |
|---|---|---|
| 512×512 · 25 frames | 12.0 GB | S |
| 768×512 · 25 frames | 14.1 GB | S |
| 768×512 · 100 frames | 20.4 GB | S |
| 1280×720 · 25 frames | 22.5 GB | S |
Memory breakdown
Required: 12.0 GBAvailable: 92.2 GB
Weights4.0 GB
VAE0.2 GB
Text Encoder9.4 GB
Activations6.0 GB
Overhead0.5 GB
Frequently asked questions
Can MacBook Pro M3 Max 128GB run LTX Video 2B?
Yes, MacBook Pro M3 Max 128GB can run LTX Video 2B for video generation. Runs natively.
How much VRAM does LTX Video 2B need?
LTX Video 2B (2B parameters) requires approximately 12.0 GB at FP16. MacBook Pro M3 Max 128GB provides 92.2 GB.
What resolution and duration can LTX Video 2B produce on MacBook Pro M3 Max 128GB?
On MacBook Pro M3 Max 128GB, LTX Video 2B can generate video at up to 1280x720. Generation time is approximately 36.1 seconds per frame.
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<iframe src="https://willitrunai.com/embed/ltx-video-2-3-on-m3-max-128gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
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