How big of a difference does push/pull make?

[NoctHorn]

I was just wondering, in terms of keeping the CPU cool, how much of a difference would it make if I added a second fan onto my Hyper 212 Evo to create a push/pull configuration?

[AlwaysFSX]

A couple degrees at most, nothing to buy an extra fan over unless it's really getting toasty.

[antoainb]

Not enough to justify buying more fans.

 

Here is a video comparing push vs pull vs push/pull:

 

 

It's for WC but the same will apply to air cooling.

[NoctHorn]

A couple degrees at most, nothing to buy an extra fan over unless it's really getting toasty.

Very well.  My CPU Temps are just fine.  I am just weighing my options for kinds of upgrades I will do in the future.

[Enderman]

A couple degrees at the cost of more noise...

Not worth it IMO, better to invest in good fans.

[Thecrazyswede]

The thicker the rad, the more does it benefit from p&p ( 60-80mm rads)

[LogicalDrm]

It will drop fan speeds more than affect on temps.