Sony fe 24 50mm f 2 8 g vs sony fe 24 70mm f 2 8 gm?

Here is what the site says about that.

From Sony FE 24-50mm f/2.8 G: Sony FE 24-50mm f/2.8 G: A zoom lens by Sony for Full frame cameras, 24-50mm f/2.8. Specs - Maker: Sony - Focal length: 24-50mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 24-50mm. - On APS-C (Sony E): like 36-75mm on full frame; f/2.8 gives about the depth of field ...

From Sony FE 24-70mm f/2.8 GM: Sony FE 24-70mm f/2.8 GM: A zoom lens by Sony for Full frame cameras, 24-70mm f/2.8. Specs - Maker: Sony - Focal length: 24-70mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 24-70mm. - On APS-C (Sony E): like 36-105mm on full frame; f/2.8 gives about the depth of field ...

Quoted from this site's pages.