Yes, but they all fit differently. What I wear:
Rain: 7.5 (tight across ball and instep, a tad long, perfect heel/waist width)
946: 7G (preference) / 7.5F (a smidge long but foot doesn't slide)
2102B: 7.5F (a tad long and high in instep, good ball width) / 7G (probably the better choice)
Carmina Oscar: 7.5F (smidge long, great ball/heel/waist width)
GG MG71: 7F (perfection!)
EG 82/202: 7.5E
Measure: 8E (US)
Yes, 2012B is wider, longer, and higher instep...by about a quarter size if you keep the same width.
I will know tomrrow how carmina rain fits in 8.5UK
All EG 8.5UK
G&G TG73 9UK Etook same for mg71 9UK E
Normal width & hoping EB last works out for me for average person.