I replied to somebody else earlier, but the 11" air and the new neo are very close in physical size.
The 11" MacBook Air was 11.8" x 7.56" the neo is 11.71" x 8.12".
The 11" MacBook Air was 11.8" x 7.56" the neo is 11.71" x 8.12".
MacBook Air: 1.08 kg (2.38 lbs)
MacBook Neo: 1.23 kg (2.70 lbs)