There is quite a big difference in handling and character of the early 930s.
Page 67, first paragraph of car & driver jan 1986 documents in writing porsche north america changes from 930 to 911 turbo in 1986.
Car and driver also speaks of the great difference in handling and boost delivery form the 1979 930 to the 1986 911 turbo.
https://porsche930pdf.files.wordpress.com/2017/11/img_20171127_0001.pdf
Here is a link with 930/911 turbo reviews if you want the total gamut of the motoring press's impression of the 930/911 turbo was and the HUGE impact as the "first super car" over its 14 year production span.
https://porsche930pdf.wordpress.com/