Snow Leopard release date: August 28, 2009
Windows XP release date: October 25, 2001
Windows XP release date: October 25, 2001
Mac hardware from 2009 is still very capable for what most people use it for: office suite, email and web browser.
(I could argue a optimized Windows XP computer from that era could still do well with today's software, but if someone is still using Windows XP on 10 year old hardware, it's probably running subpar)