Which processor is better q6600 or q9400?

I am Tron

Honorable
Jun 5, 2017
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Well i am getting the q6600 and the q9400 at the same price on ebay which 1 should i go to as q6600 have 2mb more l2 cache and q9400 takes less power so which processor is better in overall?
 

I am Tron

Honorable
Jun 5, 2017
97
5
10,645


ok thx and i am getting core2 quad 9400 at around 31$ so cheaper than amazon i guess