So the N96 specification from Nokia does seem true as the benchmarks shows it lags behind the N85. Although the overall performance is slower it uses a more power efficient STn8810 chipset. Battery life should be good even though with only 950mah.

http://www.forum.nokia.com/devices/N96
Dual CPU

CPU Type: ARM 9

CPU Clock Rate: 264 MHz


N85 vs N96 comparison
http://www.smape.com/en/reviews/nokia/Nokia_N85_N96-comp.html

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6468.jpg
N85 left / N96 right

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6469.jpg
N85 left / N96 right

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6470.jpg
N85 left / N96 right

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6471.jpg
N85 left / N96 right

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6472.jpg
N96 left / N85 right

http://img.smape.com/images/review/Nokia/N85_N96/ph/IMG_6474.jpg
n96 left / N85 right