Sony e 16mm f 2 8 vs sigma 16mm f 1 4 dc dn contemporary?

Here is what the site says about that.

From Sigma 16mm f/1.4 DC DN Contemporary: Sigma 16mm f/1.4 DC DN Contemporary: A prime lens by Sigma for APS-C cameras, 16mm f/1.4. Specs - Maker: Sigma - Focal length: 16mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, L-Mount, Nikon Z): like 24mm on full frame; f/1.4 gives about ...

From Sony E 16mm f/2.8: Sony E 16mm f/2.8: A prime lens by Sony for APS-C cameras, 16mm f/2.8. A pancake wide-angle from the NEX era. Specs - Maker: Sony - Focal length: 16mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E): like 24mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. - ...

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