The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24-70mm F2.8 II and the Sigma 24-70mm F2.8 II for their suitability to various photography scenarios:
Size and Weight Comparison

Sigma 24-70mm F2.8 II Lenses Size Comparison
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Sigma 24-70mm F2.8 II and the Sigma 24-70mm F2.8 II have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 24-70mm F2.8 II and the Sigma 24-70mm F2.8 II has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Sigma 24-70mm F2.8 II is also available in the Leica L mount.
Sigma 24-70mm F2.8 II is also available in Leica L mount.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.