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EX240 worth upgrading to from a RS240 with ivy bridge upgrade?

post #1 of 11
Thread Starter 
I've been running an RS240 fine cooling my 670 and 2500k. However, I've recently upgraded to an 3570k and my understanding is that it runs hotter than the 2500K. Would it be worth investing in an EX240 ? Would it make any significant temp drops to justify the upgrade?
post #2 of 11
I would say, no. As long as you are already using high static pressure fans with the RS240. If not, then upgrading your fans might be another option you can consider.
post #3 of 11
Going push plus pull in fans will benefit more than RS to RX and not take much more space. Or add a secod rad.
    
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post #4 of 11
Thread Starter 
I'm currently using a fractal core 1000 so a second radiator isn't optional . I'm using GTAP-15, it currently runs around 40c at full load on stock but I was planning on OCing to 4.6 so that's why I was wondering it the upgrade was worth it. I would do push pull but I have no room for the extra fans cause my reservoir sits right in front of the radiator due to room in the case
post #5 of 11
Oops, sorry thought you said RX not EX. In my testing at 1800rpm the RS and EX were about the same. An RX upgrade would be worth about a 10% improvemt ( 1 degree if your water air delta is 10c), but no improvemnt from RS to EX. EX is just a more slow speed fan tuned from what I got. Some other testing shows different results, but I retested a couple of time and continued to get a similar result.

xspc-rx360vsrs360vsex360v2r.png

i did find there is also some gain using shrouds on the RS series rads, but that too would take space.

Switching to something like the Swiftech MCR XP series would gain a little with the high speed fans, but really no rad change is going to make a big difference. If anything, switching the fans out to GT AP-29s for more RPM would probably do the most good if you don't mind the noise.

Typical that most rad differences can be made up with 50-100 rpm in fan speed, so adding 500rpm is a much bigger improvement than rad change.
Edited by Martinm210 - 1/25/13 at 8:01am
    
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post #6 of 11
Quote:
Originally Posted by Martinm210 View Post

An RX upgrade would be worth about a 10% improvemt ( 1 degree if your water air delta is 10c)

And that 1c improvement on your delta T will not amount to more than half a degrre celcius on your CPU cores, if that.
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post #7 of 11
Thread Starter 
Thanks for the reply martin! It help me a lot on deciding on the upgrade or not.
post #8 of 11
so martin, youre saying there isnt really a difference in cooling between the ex240, the rx240 and the mcr-220 qp ? it mainly depends on the fan speeds ?
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post #9 of 11
Quote:
Originally Posted by pc-illiterate View Post

so martin, youre saying there isnt really a difference in cooling between the ex240, the rx240 and the mcr-220 qp ? it mainly depends on the fan speeds ?

As with most refined watercooling products, performace differences are small. Typically all rads perform within about 20% of each other thermally.

Fan speed however can change rad performance by 500%, speed huge. You could easily make a 120 rad outperform a 480 with the right fan combo.

Comes back to air have a poor ability to store heat being the bottleneck I guess.

There are differences, but a little more fan power will make a bigger difference.
Edited by Martinm210 - 1/26/13 at 7:45am
    
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post #10 of 11
i was asking because i have these 3 rads available at microcenter near me and im about to go pick 1 up, i just dont know which would be the better deal. i assumed it was halfway on-topic and it would help out with ivory's question. new slim tech(both low and high fpi though i would go with low fpi for noise 'reduction') or older thick tech( low fpi)
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