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Will the H220 alone be enough for my CPU+GPU cooling needs? mITX delimma. - Page 2

post #11 of 22
Thread Starter 
I could ship you my 670 GTX FTW with my MCW82 waterblock for testing, if you're interested. That's all I have though. No fittings or anything. The only thing I'd ask is that you test it both with and without an extra rad. It would take me a couple weeks to ship it out to you, but it'd be possible!
post #12 of 22
Wow, thanks for the offer but I also missed my testing free time opportunity already. I have just over a month now to finish painting inside/out, new kitchen counters, and to redo two bathrooms in my old house before my new renters show up. All I have is a little weekday time when I am out of town working at my new place to do some quick tests now and then. Then I'll be moving the family up to the new place and will be looking for a new house shortly after. Lots of work before I am all settled back down and can play..

My winter test season is pretty well done I'm thinking, but I'll be back smile.gif
    
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post #13 of 22
im glad someone posted this, i am also getting the ncase m1. i will be running a 3770k and a titan hydrocopper. im not too concerned about my OC, if any it will be minimal. the h220 should be able to handle these in game right? i just want the thing to be silent so im trying to get rid of gpu fans
post #14 of 22
Thread Starter 
Wow! You certainly are a busy man. Well thank you for your extensive and high quality reviews. Your website is a great resource to us enthusiasts! Whenever life seems to settle down and you have some free time, my offer will still stand. I'd even pay for shipping both ways. Best of luck to you, Martin9!
post #15 of 22
Thread Starter 
I've heard the Titan is pretty quiet. Have you received the card yet and gotten a chance to assess its noise level? The power draw of the Titan is equivalent to the power draw of a 7970 GHz edition at 250W. In comparison, a 680 only draws 195W. It seems like it could manage it, but your temps likely wouldn't be the best. One nice thing about the Titan, however, is that it has GPU Boost 2.0, meaning that you can change your target temperature and therefore not be throttled at 70C, such as is currently the case with all other Kepler cards.

In the end, we simply need more data on how the H220 performs with a GPU in the loop. Be sure to check out the NCASE M1 updates, as they say that they'll eventually test this. I'm glad I'm not the only one with this question though!
post #16 of 22
For what it's worth:

I was able to overheat my 3930K at 4.5ghz/1.44v running the fans at their lowest speed. Coretemp was registering the 3930 putting out roughly 180W at that level using prime 95 with 12 threads running 100%.

So from a ballpark Watts number I think generally you are good for about 100W per 120mm rad section using fan speeds of 1000RPM or higher as a rule of thumb. Sharing a rad with a CPU plus GPU certainly does mean some heat, but I'm just not sure how much in real world use.

I would think real world gaming is something more like 60-80% of a stress testing tool and would actually load the GPU more than the CPU in terms of watts dissipated.

It's too bad there isn't some heat load design guidance provide with these kits since they are promoted as expandable. My gut tells me you could do a high clocked quad core plus high heat GPU ok, but you may need another 120rad to support a hot hexacore plus a gpu. H220 aside, many DIY watercollers do seem to follow the rule of dual rad for cpu, triple for cpu+gpu, quad for cpu+sli gpu etc.

I would guess that you might get by at high speed fan setting, but to get good temps and run reasonable fan speeds you need an extra 120 rad to support hot CPU + hot GPU. Does depend on the processor too though. My old 2600K probably dumped half the heat as my 3930k. I could see the 2600k and a 670 playing nice.

Most people who expanded GPU into the loop have simultaneously expanded the radiator too. Swiftech did that as well in their system 5 demo...they added a 240 rad plus another rad if i remember right to keep up with the SLI GPU expansion.

I am going to assume that is good practice -> +gpu = +120 rad but no personal experience to show that for sure.
Edited by Martinm210 - 5/11/13 at 4:06am
    
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post #17 of 22
I have one of my H220 with an added 320 and 140 rad. Works great and my temps are very nice. I actually don’t think the 140 rad helped all that much, but I did it to see if I could.

Both my chip and dual gpu card are oced very high and get very hot, on air I couldn’t keep my gpus under 70c no matter what I did. So people with one gpu and a non extreme oc should have reasonable temps with the H220. That said, expanding it is fun and interesting if you can fit an extra rad anywhere.
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post #18 of 22
Thread Starter 
For anyone still wondering about the answer to this question, the guys working on the NCASE M1 recently tested a 3770K w/ a 7970, all cooled by a single H220. Here is a link to their test results. Looks like everything was kept at stock. As far as I can tell, the CPU was left at stock, while the GPU was overclocked to 1125/1575, except during Furmark, as the watercooling block used insufficiently cooled the VRMs of the card. Thanks to subtec for the correction. Using the included fans, pushing fresh air from the outside of the case through the rad. While running both Prime 95 and Heaven, CPU temps reached 74, while the GPU core was 71 and VRMs were 79. While "gaming" (specifics not mentioned), CPU temps reached 59, GPU core maxed at 68, and VRMs at 77.

Honestly...a bit worst than I thought. It seems like an H220 would not be suitable for high performing CPU's and GPU's, especially if you plan on doing any sort of overclocking. I hope this helps anyone else wondering about this. What do you guys think?
Edited by Brandonandon - 6/4/13 at 10:08am
post #19 of 22
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post #20 of 22
Quote:
Originally Posted by Brandonandon View Post

For anyone still wondering about the answer to this question, the guys working on the NCASE M1 recently tested a 3770K w/ a 7970, all cooled by a single H220. Here is a link to their test results. Looks like everything was kept at stock. Using the included fans, pushing fresh air from the outside of the case through the rad. While running both Prime 95 and Heaven, CPU temps reached 74, while the GPU core was 71 and VRMs were 79. While "gaming" (specifics not mentioned), CPU temps reached 59, GPU core maxed at 68, and VRMs at 77.

Honestly...a bit worst than I thought. It seems like an H220 would not be suitable for high performing CPU's and GPU's, especially if you plan on doing any sort of overclocking. I hope this helps anyone else wondering about this. What do you guys think?

Good information!!!
Seems like a good testing including both synthetic and real world applications. While real world heat loads are lower, real world case air flow and case heat build up are just as real. I know when I first started testing with poor case air flow I had trouble even getting 3930k cooled by itself so I do know case airflow is really important too.

Seems like a good test and they are happy with it but stock clocks is probably not typical for someone that spends this much on water cooling.

Better generally plan on at least another 120 or 240 rad if you do CPU + GPU is what that data tells me too.

Thanks for sharing..
Edited by Martinm210 - 6/3/13 at 3:45am
    
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