The N5100 is faster but runs noticeably hotter. Both are —meaning no internal cooling fan. This is the #1 reason why the N214 gets hot.
The (TravelMate Spin B3) is engineered for durability in classrooms and field work, but a common user complaint is that it tends to run hot , even under moderate loads. Below is a breakdown of its specifications and the reasons behind its thermal behavior. acer n214 laptop specs hot