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6600K running hot with FAST DDR4?

post #1 of 6
Thread Starter 
Hey everyone, If I install my standard DDR4 2133Mhz memory kit into my computer and run it with my 6600K the stock temps are pretty good. It idles around, 22C, and loads about 50C in intel burn test.

Now, once I install my Team Dark DDR4 3000 Cas 15 kit. When I enable XMP, my CPU temps have just jumped 10-12C idle or load.

All of the CPU voltages are default. Or Auto, it sends about 1.15-1.20Volts under load to the CPU

The thing is, I can run my CPU at 4.9Ghz with 1.452 Volts and it maintains a non lethal temperature under load. Well its 90C But still ok I guess. Anyways, the speeds make for a super FAST little CHIP! But, I would like to run the DDR4 3000 overclocked as well!

In my case a 4.9Ghz cpu with 2133Mhz memory is going to be faster than a non overclocked 6600K with DDR4 3000 memory. So you know which option I am going to choose.

It just seems weird for the huge temp spikes. going from DDR4 2133 @ 1.2 Volts, to DDR4 3000Mhz @ 1.35 Volts
post #2 of 6
Try not enabling X.M.P and key in the RAM voltage, RAM timings and RAM clock manually.
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post #3 of 6
I actually just installed some 3200mhz ram yesterday versus the temporary 2133mhz and have this same question. Tried disabling XMP and setting the mutliplier, timings, and dram voltage manually but have the same results. Idle is about 4c higher, load about 8c.
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i7 6700K [4.6ghz] Gigabyte GA-Z170X-Gaming 7 EVGA GTX 1080 FTW [2200mhz core] 16GB G.Skill Trident Z DDR4 [3200mhz] 
Hard DriveCoolingOSMonitor
Samsung 850 EVO [1TB] Custom CPU/GPU loop W10 64-bit Dell S2716DG 144hz G-Sync 
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post #4 of 6
If nothing works out, you could always delid it for -20-25C drop in temps
post #5 of 6
Thread Starter 
Does a delid really drop temps that much?! I thought the TIM on the Skylake chips were really good. Unlike the previous haswell chips 4670, 4790 etc. etc.

I see I am not the only person with this problem. It seems like running DDR4 3,000+ really stresses the IMC a lot! And makes it much hotter.
post #6 of 6
It's not the TIM the main cause of the bad thermal performance on CPUs. It's the gap between the CPU die and the IHS (Integrated Heat Spreader).

When you delid and remove the glue used to put the IHS on you are effectively reducing the gap between the CPU die and IHS.

The gap in result is very close to the fact less thermal paste or liquid metal is required to give good contact between the IHS and die resulting in better cpu temperatures.
Edited by benjamen50 - 8/5/16 at 4:11pm
Gaming Computer
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Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dell Monitor Logitech G110 Antec 750W Thermaltake Aluminium Old Case 
MouseMouse PadAudio
Logitech G500 Gaming Mouse Generic Mousepad Soundblaster 5.1 VX 
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Gaming Computer
(19 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dell Monitor Logitech G110 Antec 750W Thermaltake Aluminium Old Case 
MouseMouse PadAudio
Logitech G500 Gaming Mouse Generic Mousepad Soundblaster 5.1 VX 
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