Left nunchaku, right fp8.
2.5 CFG, res_2s/normal, 3.10 shift, same seed

Nunchaku
20/20 [01:25<00:00, 4.25s/it]
Requested to load WanVAE
0 models unloaded.
loaded partially 128.0 127.9998779296875 0
Prompt executed in 91.23 seconds

fp8
20/20 [02:54<00:00, 8.71s/it]
Requested to load WanVAE
0 models unloaded.
loaded partially 128.0 127.9998779296875 0
Prompt executed in 180.43 seconds