High Temps (9600k) ?
High Temps (9600k) ?
I recently constructed my custom loop build, and naturally I performed an overclock on the CPU. However, I’m uncertain whether the temperatures are suitable for the setup I have. It might be related to the thermal paste, so I plan to check it. I’ll also test with full silver or full copper IHS.
For the CPU, I OC’d it from 9600k to 5.1 GHZ stable at 1.36V. The VCCSA and VCCIO voltages are around 1.25 and 1.28 respectively. In Prime95, the maximum temperatures are up to 85°C, but during gaming they reach 80-85°C, which seems a bit high for my cooling system. Could you please advise if there’s something wrong or if the temps are acceptable? Thank you.
I’m also using Parallel loop with the following specs:
CPU: i5 - 9600k
MOBO: Asus Maximus Hero XI
RAM: T-Force 4000mhz (18-20-20-44)
GPU: MSI GTX 1080 Ti Gaming X - 2070Mhz clock and +500Mhz memory – temperatures never exceed 49°C
RAD1: EK PE360
RAD2: EKPE240
FANS: Corsair 6x LL120
Block1: EK Velocity full nickel
BLock2: Phanteks Glacier
PSU: Corsair HX1000i Plattinum
Running the memory at high intensity. However, 1.36V isn't excessive. Even the top cooling solutions aren't sufficient for these compact chips. The GPU is delivering 2 to 3 times its power, yet it's also three to four times larger. If you haven't removed the heatsinks or used liquid metal, consider that as the next improvement. You might also try polishing the IHS and possibly the CPU block based on their flatness.
For context, the i7-7700k runs at 1.416 volts, with a delidded design and ThermalGrizzly Kryonaut cooling (not conductonaut). The Swiftech Apogee XL is another option—two 280mm units and a GTX1080 with an XSPC Razor full coverage block. Despite this, the CPU still experiences spikes reaching 81°C.
New OC settings I re configured were
VCCIO - 1.1
VCCSA - 1.15
Vcore - 1.29
Disabled several other options, such as intel speedstep and speedshift, and the 75C in prime 95 and 40-60 across all kinds of games, from LOL to Battlefront 2 and beyond. I believe I got a good match with this CPU at 5.1 GHz, 1.29V, also my GPU reached 2122 MHz with maximum temperatures at 52°C, but then it caused shader errors in some games so I reduced it back to 2070 and everything worked fine. In Battlefront 2 I achieved around 180-200 FPS on 2560x1080p, now I’m seeing 3440x1440 at rendering scale 150%, giving me 100-130 FPS which seems acceptable. I might consider lowering it even further to 1.28V but didn’t have much time for it.
It seems the local heating was a bit excessive at 1.36 volts. De-lidding was necessary because I was in the mid to high 80s, with one core leading by nearly 7C. Removing it and reattaching it lowered the highs by about 5C and brought my errant core within a 3-4C range of the others.
I’m not sure about the lottery results. I haven’t checked user-generated charts for clock/voltage on Coffeelake. While 5.0 and 5.1 GHz are manageable with water cooling, binned chips from silicon lottery that can handle higher temps exist.
My Kabylake sample isn’t ideal for voltage and temperature readings, but it’s quite stable—don’t focus too much on it. I wasn’t lucky with Haswell either. It might be better to average the results and consider a 10nm/7nm process before thinking about an upgrade.
Let me tell you a secret
😛
, Silicon lottery also means lower voltage for high frequency, also if 9600k with boost clock 4.6ghz can hit 5.1 there is 85% chance to be able to go up to 5.2 , then 55-60% to go up to 5.3, I am able to reach even 5.4 but on what cost, at the moment the voltage i need to increase ts not recommended for this chip, doesn't matter what I will do as cooling solution. So I think keeping it 1.3 for 5.1 ghz is not that bad, I currently dont exceed 57C in gaming.
I’ve noticed some reviews lately about the top of Intel CPUs not being perfectly flat, leading some users to opt for polishing them. The variations in these reviews were just as notable—or even more so—than the differences from de-lidding. De-lidding won’t be effective if the CPU isn’t properly connected to the cooler. It looks like Intel’s quality control has weakened in this area.