Sigma 150 600mm f 5 6 3 dg dn os sports vs sigma 60 600mm f 4 5 6 3?

Here is what the site says about that.

From Sigma 150-600mm f/5-6.3 DG DN OS Sports: Sigma 150-600mm f/5-6.3 DG DN OS Sports: A zoom lens by Sigma for Full frame cameras, 150-600mm f/5-6.3. Specs - Maker: Sigma - Focal length: 150-600mm (zoom) - Maximum aperture: f/5-6.3 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 150-600mm. - On APS-C (Sony E, L-Mount): like 225-900mm ...

From Sigma 60-600mm f/4.5-6.3 DG DN OS Sports: Sigma 60-600mm f/4.5-6.3 DG DN OS Sports: A zoom lens by Sigma for Full frame cameras, 60-600mm f/4.5-6.3.

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