How do i tell the age of a hp computer

[margueritec]

Which computer is older Compaq 6715b, Compaq nx6230 or 6730b?

 

[bobusboy]

I've organized them newest to oldest by review date, which is as close as I could find when doing a cursory look.

HP Compaq 6730b
Reviewed on: November 24th, 2008
http://www.zdnet.com.au/hp-compaq-6730b-339293438.htm


HP Compaq 6730b Notebook
reviewed on: Sep. 12, 2008
http://www.geek.com/articles/chips/review-hp-compaq-6730b-notebook-20080912/


HP Compaq 6715b
Reviewed on: 17 September, 2007
http://www.zdnet.co.uk/reviews/thin-and-light-laptops/2007/09/17/hp-compaq-6715b-39289364/

 

[margueritec]

Thank you