in Win 10, 125% / Eizo CG2730, 2560x1440
[ pixelruler to compare width → www.pixelruler.de – Win ]
SilverEfexPro 3 (Nik 4.1.1.0) / PlugIn_PL 4.3.1
LHS 330 px
RHS 330 px / slider scale 140 px
= same dimensions in Viveza 3 (Nik 4.1.1.0) / PlugIn_PL 4.3.1
PhotoLab 4.3.1
RHS 410 px / slider scale 150 px
= the RHS is wider and the lettering better to read as SEP3 and Viv3
→ About Nik 4 - SilverEfex 3 & Viveza 3
FilmPack 5.5.27 (Elite)
RHS 470 px / slider scale 180 px
= bigger lettering in FP5
SilverEfexPro 2 / Nik 3.3 / PlugIn_PL 4.3.1
RHS 320 px / slider scale 260 px
= same dimensions in SilverEfexPro2 (Nik 3.3) / PlugIn_AP 1.9.2 / _PS
edited / see further down post #10