burgergod Posted July 12, 2014 Share Posted July 12, 2014 Hi Corsair and friends! I recently upgraded my system. I went from a Q9550 on an Asus P5E-Deluxe to an i7 4790K on an Asus Maximus VII Gene cooled by a Corsair H100i. I can't complain about the performance of the chip, nothing bad or weird is going on when playing games on it or just using the thing normally. Today I started looking at temperatures and stressing the chip to see how high the temps would go. Using Prime95 I got to 90C in about 5 minutes running at stock speeds. Fans at 100%, Room temperature about 21 degrees Celsius. To be honest I haven't checked the temperatures while playing games. I'm planning to do that after I finished this post and I will be adding the results to this post as well. Here's a little picture of my build, please ignore the dust. :o: http://i.imgur.com/vWQBQap.jpg I'm wondering if the temperatures sound about right or if it's way too high. I've already been looking around and can't quite get a clear answer. I did order some new cooling paste just in case so I can try that later this week. Maybe a little off-topic but CPU-Z is telling me my Core Voltage is 1.840 V. I'm pretty sure CPU-Z is wrong because the bios says 1.233 vcore and AIDA64 tells me it's 1.266 V at max. Any ideas or opinions out there? If 90C is way too hot for prime95 stress testing and if I should take action or not. I'll be posting temperatures when gaming in a bit. Later this month when I finally read up on all the new things overclocking I'm planning on tuning my chip to see if I can get the vcore lower etc, to get it as cool and fast as possible. Alright so I played some Battlefield 4 for about 30 minutes. I ended up around 50c (49~51) at 50% cpu load. Thanks for reading my post, burgergod. Link to comment Share on other sites More sharing options...
HOODedAssault Posted July 12, 2014 Share Posted July 12, 2014 The chip runs hot. That's a pretty high voltage for that chip (1.288v). Also prime95 uses avx and haswell is set to overvolt by .1v under program using avx. So if your stock voltage is and round 1.18v then with prime95 it'll be 1.288v. Only way around it is manually setting voltage or using something to stress that doesn't use avx. I'd suggest an older version of prime95 without avx. People will say it doesn't show true stability on haswell but that's bs. If you can run 12 hours on old prime95 you aren't going to run into issues in anything else you do. I personally only run 20 runs of linx on maximum ram and then 3-4 hours of prime95. I've manually set voltage tho on my 4770k rig. Link to comment Share on other sites More sharing options...
wytnyt Posted July 12, 2014 Share Posted July 12, 2014 also keep in mind,your temps will be lower in games than when running a full hard stress test... Link to comment Share on other sites More sharing options...
burgergod Posted July 12, 2014 Author Share Posted July 12, 2014 I understand what you guys are saying and I indeed only max out at 52C. However I read about a lot of problems with the H100i (after i got it) I just want to make sure that I did it correctly and 90C is normal when running prime95. Link to comment Share on other sites More sharing options...
wytnyt Posted July 12, 2014 Share Posted July 12, 2014 for p95 90 degrees is a little high but your not gonna be in full load mode as a rule for piece of mind id recheck the tim and also the backplate to insure the 2 little cutouts are facing up... Link to comment Share on other sites More sharing options...
burgergod Posted July 12, 2014 Author Share Posted July 12, 2014 Thanks for the replies wytnyt, the faceplate is mounted the correct way. When Installing I had to think twice before putting it all together :) As for rechecking the tim, I'll do this once I get some new cooling paste. Again, thanks! By the way, my idle cpu temps are between 30 and 35 and my h100i temperature is currently 28c in a 21c degrees room. Is this about right? Link to comment Share on other sites More sharing options...
wytnyt Posted July 12, 2014 Share Posted July 12, 2014 yes sir,,those are perfect temps... Link to comment Share on other sites More sharing options...
Najk Posted July 13, 2014 Share Posted July 13, 2014 Hello, Please see my thread: http://forum.corsair.com/v3/showthread.php?t=130600 I had somewhat similiar problems. I changed to my h80i which gave me better results, even with oc to 4.6 Ghz. Can you hear the fluid from within your h100i when shaking it? I couldn't hear anything when shaking my h100i, while I heard the fluid from within my h80i when shaking it. Link to comment Share on other sites More sharing options...
burgergod Posted July 13, 2014 Author Share Posted July 13, 2014 Hi Najk, I couldn't hear any water flowing through my h100i. What does this mean? Link to comment Share on other sites More sharing options...
wytnyt Posted July 13, 2014 Share Posted July 13, 2014 you wont ''hear'' the water flowing,,only a low humming you can go in your bios to check the rpm and please dont shake the hydro as this just creates air bubbles... Link to comment Share on other sites More sharing options...
HOODedAssault Posted July 14, 2014 Share Posted July 14, 2014 Noticed you also have your rad fans in pull into the case. Not optimal at all because your trying to pull down hot air that is trying to rise. Flip the fans over so they are pushing out through the rad in exhaust format. Link to comment Share on other sites More sharing options...
iflo Posted July 15, 2014 Share Posted July 15, 2014 Hey HOODedAssault - I wonder if it's worth having a sticky about Haswell and AVX. It seems to be a recurring source of worry as people test their shiny new 4790ks with Prime95 (myself included!) Link to comment Share on other sites More sharing options...
HOODedAssault Posted July 16, 2014 Share Posted July 16, 2014 Yes I've suggested it. I think I've told at least 10 people about it. Maybe I'll do a little writeup this weekend with some screenshots and see if it gets sticky status. Link to comment Share on other sites More sharing options...
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