Will It Run AI

Can LTX Video 2B run on AMD Instinct MI325X 256GB?

YES — Runs Great

S90Excellent

LTX Video 2B needs ~12.0 GB VRAM. AMD Instinct MI325X 256GB has 256.0 GB.

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PrecisionVRAM NeededStatusGrade
FP16Best12.0 GBRuns nativelyS
FP814.1 GBRuns nativelyS
12.0 GB required256.0 GB available
5% VRAM used

Parameters

2B

Precision

FP16

Max Resolution

1280×720

VRAM

12.0 GB / 256.0 GB

Gen Time

200ms/frame

Performance by workload

WorkloadGradeFitVRAMPer Frame
Short ClipSRuns natively12.0 GB200ms
Long VideoSRuns natively32.5 GB300ms

Video scenario compatibility

How LTX Video 2B (2B params) performs at each scenario on AMD Instinct MI325X 256GB (256.0 GB usable).

FP16 (full precision)

ScenarioVRAMAMD Instinct MI325X 256GB
512×512 · 25 frames13.9 GBS
768×512 · 25 frames12.0 GBS
768×512 · 100 frames12.0 GBS
1280×720 · 25 frames21.7 GBS

FP8 (quantized — ~40% less VRAM)

ScenarioVRAMAMD Instinct MI325X 256GB
512×512 · 25 frames12.0 GBS
768×512 · 25 frames14.1 GBS
768×512 · 100 frames20.4 GBS
1280×720 · 25 frames22.5 GBS

Memory breakdown

Required: 12.0 GBAvailable: 256.0 GB
Weights4.0 GB
VAE0.2 GB
Text Encoder9.4 GB
Activations6.0 GB
Overhead0.5 GB
See all results for AMD Instinct MI325X 256GBSee all hardware for LTX Video 2B

Frequently asked questions

Can AMD Instinct MI325X 256GB run LTX Video 2B?

Yes, AMD Instinct MI325X 256GB 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. AMD Instinct MI325X 256GB provides 256.0 GB.

What resolution and duration can LTX Video 2B produce on AMD Instinct MI325X 256GB?

On AMD Instinct MI325X 256GB, LTX Video 2B can generate video at up to 1280x720. Generation time is approximately 0.2 seconds per frame.

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