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I might buy I7 4770K

post #1 of 7
Thread Starter 
In the next month I want to buy a new CPU and build a new system, I've all ready bought the mother board (Asus MAXIMUS VI HERO ), I have read about 4770k in other forums and I saw that many have problems with temps and OC, is this true?

Can I expect a 4.5Ghz from a 4770k with no problems, that's my intended 24/7 speed, what's the max voltage for this chip and max temp for daily use?

Many thanks!
post #2 of 7
Quote:
Originally Posted by PinkJackal View Post

In the next month I want to buy a new CPU and build a new system, I've all ready bought the mother board (Asus MAXIMUS VI HERO ), I have read about 4770k in other forums and I saw that many have problems with temps and OC, is this true?

Can I expect a 4.5Ghz from a 4770k with no problems, that's my intended 24/7 speed, what's the max voltage for this chip and max temp for daily use?

Many thanks!

With Haswell you play what's known as the "Silicon Lottery", if you get lucky and get a good chip, you will be able to OC to 4.5 on lower voltages therefore keeping your temps down, if you get a bad chip you will need high voltages to get to 4.5 causing your temps to be really high.

Being that you've already purchased the motherboard, you've already made the decision to go haswell so i'm not sure why you're posting this.

Max safe voltage is 1.52 if i'm not mistaken but you won't be able to get any where near those voltages without a delidded chip.

I'd say 1.35 - 1.4 are max voltages for a chip that's not delidded

good luck
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NASzi's Stryker
(26 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3770k ASRock Z77 OC Formula Zotac GTX 1080 Founders Edition Patriot 16GB (4 x 4GB) DDR3 2133 Ram 
Hard DriveHard DriveOptical DriveCooling
samsung 850 evo 1 tb Seagate Barracude 1 TB 6 GB/s Blue Ray Player/DVD Burner XS-PC RS 240 Radiator 
CoolingCoolingCoolingCooling
Swiftech Apogee HD CPU Water Block monsoon series two d5 premium dual reservoir Swiftech MCP-655 Variable Speed Pump Bitspower 7/16 x 5/8 Compression Fittings 
CoolingCoolingCoolingOS
Primochill Advance LRT White Tubing 7/16 x 5/8 2 x Noctua NF-F12 Corsair SP120 Windows 7 Ultimate 64 Bit 
MonitorMonitorKeyboardPower
QNIX QX2710 Evolution II True 10 SE 2560 x 1440 Insignia 46" 1080P Television Ducky Shine 3 Coolermaster 800W Silent Pro Gold Semi-Modular 
CaseMouseMouse PadAudio
Coolermaster Storm Stryker Roccat Kone XTD Corsair audio technica ATH-M50x 
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Antlion Mod Mic Fiio E07K 
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post #3 of 7
I got an average 4770k and can get mine to 4.5ghz with 1.285v, 4.6ghz takes a jump to 1.335, 4.7 is 1.375...4.8 takes 1.395 just to get into Windows but I didn't stress test it.

IIRC my temps at 4.5ghz were low/mid 70s with p95, 4.7 was 80-82, that's with an H110.
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post #4 of 7
You should be good to go if you have decent cooling smile.gif i have a 3770K at 4.6 and my temps are idle around 37c with a H60 (push pull with 2 SP120s) - i don't think there was a massive up on heat from ivy to haswell, but, i could be mistaken smile.gifthumb.gif
post #5 of 7
Thread Starter 
Don't call me stupid, but I have purchased the board being sure that my current chip will work on it (I5-2500k), I don't know why I thought that, I never make mistakes like this, I'm no noob with computers, I mess with PC's since 1992, I was 7 year old back then.
I realize my mistake when the board arrived home, I'm embarrassed, but that is the truth, my biggest mistake since I own a PC, that's why I asked about 4770k, because I was never interested to buy one, but now I'm forced by the situation.
I'm not afraid of deliddeing I know what I'm doing, if the temps call for it, I will do it!!!

Thx guys, as always, you are the best!!!
Edited by PinkJackal - 11/20/13 at 10:37pm
post #6 of 7
We all make mistakes, mate. smile.gif
post #7 of 7
The reasoning behind the temp issue on Haswell is because of the transistor size yet again from 22nm to 14nm on haswell. the smaller the transistor the more in there resulting in a higher total heat output even with less power going into the chips. There is a way around the Intel stock thermal paste under the IHs which would involve Delidding the CPU and putting better thermal paste under neath to result in ultra low temps and amazing performance.

The silicon lottery is a very real thing as well. Just got my new IVY today no idea if i's good or bad... gonna have to find out on LN2 tongue.gifthumb.gif
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