Custom waterloop- IvyBridge - Temperatures pretty high
Im just really disappointed by seeing people post their not delidded 3770Ks with voltages much higher than mine but temps even lower... Is it really possible to have that much spread within the same CPU-model? I mean i know about silicone-lottery but they also apply more voltage so...
I tried reseating the CPU block yesterday. The screws are in as much as I can but i noticed that the way that the Swiftech Apogee HD cooler is mounted, I couldnt put the O-rings anywhere as i initially intended to. The screws of the apogee also somehow bulge out after a short distance, which could maybe cause them to lay on he motherboard and preventing more tightening
I know what you mean. Believe it or not, I had the exact same issue as you back in 2013. Got my hands on a 3770k and decided to retire my 2600k, but I quickly saw a huge temperature increase at lower voltages and speeds. In addition I noticed that my water temperature actually got reduced, which was a clear indicator that it wouldn't overclock well at all. I wasn't quite as comfortable with modding at that time as I am today, so I sold the Ivy and rolled back to my dear Sandy 2600k.
If it had been today the Ivy would've gotten a delid without hesitation. The assembly of those chips are quite horrendous, and RMA is not an option when it's keeping below 85°c with stock cooler at stock speeds. The worst part is just as you describe. I got a friend with a 3770k, and that cpu gets to 4.6GHz with a Noctua NH-U12p, while my H100i couldn't manage 4.5GHz even at PnP @ 2500rpm.
Be sure to not damage your motherboard by over tightening the block. With it tightened, can you wiggle the block by hand, or is it solid with the mobo?
Could it be something with the pump? Regarding that the GPUs are much cooler...
I know that I could have a cyclone in my reservoir. The temps dont change when i set my pump to max speed
I have the same exact pump, and with two rads and four blocks it gets around at the lowest speed setting(Dial set to 1) without any issues. At that speed my 3960x hottest core runs about 7°c/23°c Idle/Load over water temp, and my GPUs are pretty much the same. 7970 is a couple of degrees shorter, and the 7990 is a few higher vs the CPU.
The fact that the GPU is much cooler just enforces my suspicions. The 780 conducts over three times more energy in less than half the surface area vs the 3770k, which would mean that even if the CPU ran at similar temps as the GPUs, it would still raise a lot of suspicion. If the CPU would act as the GPU, the temps would be closer to the water temps than the GPU temps.
I'm sorry, but with your temps and description it's very unlikely to be anything but the TIM in the CPU. Ivy can be a real hassle and disappointment without delid...
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