Can Wan Video 2.1 14B run on NVIDIA DGX Spark 128GB?
YES — Runs Great
S90Excellent
Wan Video 2.1 14B needs ~56.2 GB VRAM. NVIDIA DGX Spark 128GB has 108.8 GB.
56.2 GB required108.8 GB available
52% VRAM used
Parameters
14B
Precision
FP16
Max Resolution
720×1280
VRAM
56.2 GB / 108.8 GB
Gen Time
~2m 15s/frame
Performance by workload
| Workload | Grade | Fit | VRAM | Per Frame |
|---|---|---|---|---|
| Short Clip | S | Runs natively | 56.2 GB | ~2m 15s |
| Long Video | S | Runs natively | 79.4 GB | ~3m 2s |
Video scenario compatibility
How Wan Video 2.1 14B (14B params) performs at each scenario on NVIDIA DGX Spark 128GB (108.8 GB usable).
FP16 (full precision)
| Scenario | VRAM | NVIDIA DGX Spark 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 | NVIDIA DGX Spark 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: 108.8 GB
Weights28.0 GB
VAE0.2 GB
Text Encoder18.8 GB
Activations6.0 GB
Overhead0.5 GB
Frequently asked questions
Can NVIDIA DGX Spark 128GB run Wan Video 2.1 14B?
Yes, NVIDIA DGX Spark 128GB can run Wan Video 2.1 14B for video generation. Runs natively.
How much VRAM does Wan Video 2.1 14B need?
Wan Video 2.1 14B (14B parameters) requires approximately 56.2 GB at FP16. NVIDIA DGX Spark 128GB provides 108.8 GB.
What resolution and duration can Wan Video 2.1 14B produce on NVIDIA DGX Spark 128GB?
On NVIDIA DGX Spark 128GB, Wan Video 2.1 14B can generate video at up to 720x1280. Generation time is approximately 134.7 seconds per frame.
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