Can LTX Video 13B run on AMD Instinct MI250 128GB?
YES — Runs Great
S90Excellent
LTX Video 13B needs ~24.0 GB VRAM. AMD Instinct MI250 128GB has 128.0 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 24.0 GB | Runs natively | S |
| FP8 | 25.6 GB | Runs natively | S |
24.0 GB required128.0 GB available
19% VRAM used
Parameters
13B
Precision
FP16
Max Resolution
1280×720
VRAM
24.0 GB / 128.0 GB
Gen Time
~1.9s/frame
Performance by workload
| Workload | Grade | Fit | VRAM | Per Frame |
|---|---|---|---|---|
| Short Clip | S | Runs natively | 24.0 GB | ~1.9s |
| Long Video | S | Runs natively | 40.0 GB | ~2.5s |
Video scenario compatibility
How LTX Video 13B (13B params) performs at each scenario on AMD Instinct MI250 128GB (128.0 GB usable).
FP16 (full precision)
| Scenario | VRAM | AMD Instinct MI250 128GB |
|---|---|---|
| 512×512 · 25 frames | 25.6 GB | S● |
| 768×512 · 25 frames | 24.0 GB | S● |
| 768×512 · 100 frames | 24.0 GB | S● |
| 1280×720 · 25 frames | 40.0 GB | S● |
FP8 (quantized — ~40% less VRAM)
| Scenario | VRAM | AMD Instinct MI250 128GB |
|---|---|---|
| 512×512 · 25 frames | 23.5 GB | S |
| 768×512 · 25 frames | 25.6 GB | S |
| 768×512 · 100 frames | 31.9 GB | S |
| 1280×720 · 25 frames | 34.1 GB | S |
Memory breakdown
Required: 24.0 GBAvailable: 128.0 GB
Weights26.0 GB
VAE0.2 GB
Text Encoder9.4 GB
Activations6.0 GB
Overhead0.5 GB
Frequently asked questions
Can AMD Instinct MI250 128GB run LTX Video 13B?
Yes, AMD Instinct MI250 128GB can run LTX Video 13B for video generation. Runs natively.
How much VRAM does LTX Video 13B need?
LTX Video 13B (13B parameters) requires approximately 24.0 GB at FP16. AMD Instinct MI250 128GB provides 128.0 GB.
What resolution and duration can LTX Video 13B produce on AMD Instinct MI250 128GB?
On AMD Instinct MI250 128GB, LTX Video 13B can generate video at up to 1280x720. Generation time is approximately 1.9 seconds per frame.
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<iframe src="https://willitrunai.com/embed/ltx-video-13b-on-instinct-mi250-128gb" 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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