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Water vs. Air cooling // Is it a huge temp difference?

post #1 of 23
Thread Starter 
No offense to the water cooled folks out there, because many of you do have beautiful setups ... but reading so much lately about water cooling ... I'm almost committed to never taking the plunge (so to speak).

I just haven't seen it being *extremely* better than air.

With a little work, my modified scythe air cooler keeps an E6400 @ 3.5ghz idling at 38C in a 25C room. Loads around 53C or so (orthos). I could run 24/7 at 3.8ghz and never hit 60C at load but want to keep my chip as long as I can.

Those with lots of water experience, in your professional opinion(s), what do you think a kick arse water setup would do with the same E6400 at the same 3.5ghz overclock?

About how many degrees could I shave off at idle and load?

    
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post #2 of 23
Well, water cooling can also be drastically quieter...

The silence is really good, especially when you like to listen to music and are on the computer late at night when everyone else is asleep.
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post #3 of 23
Thread Starter 
Quote:
Originally Posted by lavieinjuste View Post
Well, water cooling can also be drastically quieter...

The silence is really good, especially when you like to listen to music and are on the computer late at night when everyone else is asleep.
At what speeds do most folks run their radiator fans?

Seems like there's almost as many fans in a water cooler system as in an air cooled.

Do you generally run the fan's a much lower RPMS?
    
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post #4 of 23
All I can tell you about is my temp's...with a CPU only loop I would idle at 4-5C and load at 7-9C above whatever the room ambient was..Thats loading for hours Priming not for a couple of seconds..Thats on a 150 Opty at 3019mhz with about a 1.58 V-Core...I'd of been loading close to 45-50C with a HSF I know...


WC'ing is more work to set up and run, I like playing with it though...It costs a little more but the components last for years and can be moved from rig to rig, so in the long run its not really expensive at all....
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post #5 of 23
The temp isnt really why most people use water

With water say you could run 1.25v with 25idle 32 load and run about the same with air but with water you can put more voltage in keeping temps closer to ambient
    
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post #6 of 23
Thread Starter 
Quote:
Originally Posted by ira-k View Post
All I can tell you about is my temp's...with a CPU only loop I would idle at 4-5C and load at 7-9C above whatever the room ambient was..Thats loading for hours Priming not for a couple of seconds..Thats on a 150 Opty at 3019mhz with about a 1.58 V-Core...I'd of been loading close to 45-50C with a HSF I know...
Thats good info, thanks.

Rise over ambient is generally how I judge performance anyway ... I'm usually idling about 13C+ over ambient and load is way over ambient ...
    
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post #7 of 23
Water can keep temps in line better with higher voltages. If you run stock voltage or just .05 over, then there really isn't a difference (IMO) unless you are going for quiet and not OCing.

At 1.6v, any air cooler would struggle, and water cooling wouldn't really break a sweat. (Depending on loop, obviously.)

Least, what I picked up when I decided to go WC. >.>;
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post #8 of 23
Quote:
Originally Posted by s1rrah View Post
Thats good info, thanks.

Rise over ambient is generally how I judge performance anyway ... I'm usually idling about 13C+ over ambient and load is way over ambient ...


Yeah with WC'ing the Delta between idle and load is a lot closer..And as Born pointed out you can jack the V-Core up and keep good temp's...


You have to build a decent loop to get decent temp's...Cheap WC'ing kits wont cool any better then air...
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post #9 of 23
Compare air vs water cooling with a Core 2 Quad.... 200w heat load is at the edge of what air coolers can handle. Watercooling can handle that while running silently.
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post #10 of 23
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Quote:
Originally Posted by DuckieHo View Post
Compare air vs water cooling with a Core 2 Quad.... 200w heat load is at the edge of what air coolers can handle. Watercooling can handle that while running silently.
Right ... and that's the sort of info I'm digging for.

Just researching and all.

So it boils down to heat load and wattage really; the air coolers have a much lower ceiling.

Thanks for the good comment.
    
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