How much VRAM does Wan 2.2 A14B (T2V / I2V) need?

Wan 2.2 A14B (T2V / I2V) is a video generation model by Alibaba (Wan) (14.3B per expert, two experts swapped in turn; text encoder: umT5-XXL). Two 14B experts (early and late steps) swapped in turn; the high-quality standard.

19.1 GBVRAM needed at FP8, 480p, 5 s (with model swapping)

Change precision, resolution or length →

VRAM by precision and resolution

PrecisionModel size480p, 5 s720p, 5 s
BF16 / FP16 (uncompressed)28.6 GB33.1 GB
all in VRAM 68.0 GB
36.6 GB
all in VRAM 71.5 GB
FP8 (half size, near-lossless)14.6 GB19.1 GB
all in VRAM 40.0 GB
22.6 GB
all in VRAM 43.5 GB
GGUF Q8_0 (similar to FP8)15.3 GB19.8 GB
all in VRAM 41.4 GB
23.3 GB
all in VRAM 44.9 GB
GGUF Q5_K_S10.2 GB14.7 GB
all in VRAM 31.1 GB
18.2 GB
all in VRAM 34.6 GB
GGUF Q4_K_S (popular low-VRAM choice)8.6 GB13.1 GB
all in VRAM 28.0 GB
16.6 GB
all in VRAM 31.5 GB
GGUF Q3_K_S (lower quality)6.7 GB11.2 GB
all in VRAM 24.2 GB
14.7 GB
all in VRAM 27.8 GB

Bold = VRAM needed when ComfyUI swaps the text encoder and the model. "All in VRAM" = keeping both loaded. Text encoder assumed at FP8. Official: 80 GB+ on a single GPU without offloading (measured with the official implementation).

GPUs that run Wan 2.2 A14B (T2V / I2V) (24 GPUs, 480p, 5 s)

GPUVRAMBest precisionVRAM neededVerdictBuy
RTX 3060 12GB previous gen12 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
Radeon RX 6700 XT previous gen12 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
Intel Arc B58012 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
RTX 4070 Ti previous gen12 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
RTX 4070 / SUPER previous gen12 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
RTX 507012 GBGGUF Q3_K_S11.2 GB○ Runs with model swappingCheck price
RTX 4060 Ti 16GB previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 7600 XT previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 9060 XT 16GB16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 5060 Ti 16GB16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 6800 previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 7800 XT previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 9070 XT16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 907016 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 4070 Ti SUPER previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 4080 previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 4080 SUPER previous gen16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 5070 Ti16 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
RTX 508016 GBGGUF Q5_K_S14.7 GB○ Runs with model swappingCheck price
Radeon RX 7900 XT previous gen20 GBFP819.1 GB○ Runs with model swappingCheck price
RTX 3090 previous gen24 GBFP819.1 GB○ Runs with model swappingCheck price
Radeon RX 7900 XTX previous gen24 GBFP819.1 GB○ Runs with model swappingCheck price
RTX 4090 previous gen24 GBFP819.1 GB○ Runs with model swappingCheck price
RTX 509032 GBFP819.1 GB○ Runs with model swappingCheck price

ComfyUI also runs on AMD Radeon (ROCm) and Intel Arc, but setup is harder than on NVIDIA and some features (such as FP8 acceleration) are not supported.

License

Other image & video models

→ Image & Video AI VRAM Calculator (all 15 models) / Local LLM VRAM Calculator

Estimates for ComfyUI, about ±20%. Model specs from the publisher's config files and released file sizes (checked October 2026).