I used Arctic silver 5 and reinstall everything. I decided to next check the case fans and to remove the intel heatsink, clean it and apply some new thermal paste. If I try to raise the offset to get the voltage higher I would get bluescreen. I have currently offset - 0.040 and it still touches low 90 on the first core the rest are in the high 80's. At offset - 0.035 I managed to get it into the low 90's but still over 90c. I then raised it to - 0.030v and it booted and ran got the CPU not to hit 100c but the cores were all at 96 - 98c.
I rebooted and reran Cinebench and Wprime to find that it still hit 100c but it took a bit longer to instead of almost instantly. The good one in November had an offset of - 0.025v I started with that. In the CPU voltage section I began to offset - voltage. I went into the Bios and began to manually entering things like manual core ratios and performance per core. I install Intel Extreme utility and put in the settings shown, but when I hit applied the computer instantly blue screen on me. I updated his Bios and ran Cinebench and Wprime and found that the motherboard was running at 4.2 Ghz on all 4 cores but using 1.250v! I thought I found the reason why it throttle. The i7-4790k was showing TSX instruction. I took the weekend looking at his computer and discovered the first problem was his Bios was outdated. Games that utilizes all 4 cores and 8 threads is when he started to notice the problem. Apparently single threaded or few multithreaded games it was hot but did not hit the limit. I decided to ask my brother if he was experiencing overheating problems, at first he said No but recently he said Yes because while playing a game Guild Wars 2 in a heavy populated area he received a message from Core Temp that a processor was hot. Voltage was showing about 1.10v for CPU-Z. The one I have purchased in November came out to upper 70's low 80's temp which I thought was reasonable for a stock cooler. I decided to run Cinebench R11.5 and Wprime 1024 calculate. Instead of running applications like Prime95 or Intel burn test which is unrealistic to me. I think low 80's or upper 70's is fine, but that is just what I think but don't know if that is considered "normal"Īfter reading the huge topic on the i7-4790k overheating thread I decided to look into the i7-machines we just built recently to see if we had that problem. If I RMA I want to make sure the new CPU will fall between Intel acceptable temps. I wanted to know what stock coolers is suppose to average aroundīefore I attempt an RMA request, does anyone have an idea what the temperatures the stock cooler is suppose to average in between? Note: Not overclock temps, we brought the K version because of the 4.0Ghz default clock speed which should be good enough for us not to touch for a while. Yes I did read the other topic, but some used after market coolers. Case vents were checked and CPU mount was double checked to make sure everything was snugged.ĩ. Heatsink was removed, cleaned and applied with Arctic Silver 5 thermal paste.Ĩ. Running Intel Extreme Utilities with the settings shown in the picture causes the computer to instantly bluescreenħ. CPU Z shows 4200 Mhz 1.125v when all cores are active any lower voltage causes instability and bluescreenĦ. CPU voltage is set to offset - 0.040 any higher will cause the computer to blue screen due to low voltageĥ. Cores are set manually to 44x 44x 43x 42xĤ. Memory is set to 1600 Mhz default speed not XMPģ. Motherboard is a MSI Z97-G55 SLI with latest Bios with Broadwell supportĢ. The first CPU was purchased the month the i7-4790k was released and the second was on black friday in November.ġ. The temperature with stock cooler is: 91c 86c 88c 85c vs the other i7-4790k purchased in November with the stock cooler 79c 82c 78c 76c. The one I seem to be having problems with is the first CPU. I currently have 2 machines with i7-4790k both purchased in different months both from Newegg. I was wondering if I can get some information on what range the stock i7-4790k cooler is suppose to provide.
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