Sigma 28mm f 1 4 dg hsm art vs sony fe 28mm f 2?

Here is what the site says about that.

From Sigma 28mm f/1.4 DG HSM Art: Sigma 28mm f/1.4 DG HSM Art: A prime lens by Sigma for Full frame cameras, 28mm f/1.4. Specs - Maker: Sigma - Focal length: 28mm (prime) - Maximum aperture: f/1.4 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F, Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F, Sony E, L-Mount): as marked, 28mm. - On APS-C (Nikon F, Sony E, ...

From Sony FE 28mm f/2: Sony FE 28mm f/2: A prime lens by Sony for Full frame cameras, 28mm f/2. Specs - Maker: Sony - Focal length: 28mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 28mm. - On APS-C (Sony E): like 42mm on full frame; f/2 gives about the depth of field ...

Quoted from this site's pages.