More of a spec bump than a traditional update.
update
verb |ˌəpˈdāt, ˈəpˌdāt| [ with obj. ]
make (something) more modern or up to date
the chips were updated from 2.3 to 2.4. 2.6 to 2.7
even though they were still sandy bridge chips, they were still made more modern and up to date