>Then don't use the cuda filter. So, my time measurements show that CPU: ./ffmpeg -i ../4k_normal.mp4 -vf scale=1280:720 720p1.mp4 real 0m23.748s GPU: ./ffmpeg -hwaccel cuvid -c:v h264_cuvid -i ../4k_normal.mp4 -vf scale_npp=1280:720 -c:v h264_nvenc 720p1.mp4 real 0m20.889s Do you think that is normal? Regards, Mahmood