Question cpu compatibility

Oct 13, 2020
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Hi,I have old Dell optiplex 755 and I want to upgrade cpu to q9450 but Im not sure about compatibility. After little research I found that its compatible with q8400 but nothing about q9450.
 

Wolfshadw

Titan
Moderator
I can't see any reason why the motherboard would support the Q8400 and not the Q9450. It has the Q35 chipset which supports both processors. Both processors have the same TDP limits (95 watts). The only difference I can find is the amount of L2 Cache (4MB vs 12MB).

Personally, this system is so old that I would not bother spending money on an upgrade. If you can get either processor for free or next to no money, then I'd go ahead with the planned upgrade. Otherwise, I would not bother.

-Wolf sends
 

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