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**The Official Intel Core i5-2500K/i5-2550k/i7-2600K/i7-2700K Owners Club** - Page 162

post #1611 of 2000
hello new to this forum....i have a intel 2600k i bought 2yrs ago and a gigabyte p67-ud4-b3 motherboard its been great,my question after getting this motherboard i read the review on tecpowerup and the review said , we found that the P67A-UD4-B3 does not quite supply as much voltage to the CPU as some other boards do, making for a situation that led to us using much higher voltages for any given clock allowing us to reach no higher than 4.5 GHz fully stable, while setting 1.3 V in BIOS to get that 1.27 V under full load . for my setup i can get 4.5 at 1.32 v and a max of 4.9 at 1.4 v iv never run it overclocked 24-7 after reading the review, 4.9 is my wall im using air cooling a ( NH-D14 COOLER )corsair 1600mhz ram im not sure if its the cpu or the motherboard holding me from the 5.0 ghz if i had to guess id say its the cpu i didnt win the silicon lottery for 5.0 GHZ
Edited by friviz68 - 2/27/14 at 12:09pm
post #1612 of 2000
Quote:
Originally Posted by friviz68 View Post

hello new to this forum....i have a intel 2600k i bought 2yrs ago and a gigabyte p67-ud4-b3 motherboard its been great,my question after getting this motherboard i read the review on tecpowerup and the review said , we found that the P67A-UD4-B3 does not quite supply as much voltage to the CPU as some other boards do, making for a situation that led to us using much higher voltages for any given clock allowing us to reach no higher than 4.5 GHz fully stable, while setting 1.3 V in BIOS to get that 1.27 V under full load . for my setup i can get 4.5 at 1.32 v and a max of 4.9 at 1.4 v iv never run it overclocked 24-7 after reading the review, 4.9 is my wall im using air cooling a ( NH-D14 COOLER )corsair 1600mhz ram im not sure if its the cpu or the motherboard holding me from the 5.0 ghz if i had to guess id say its the cpu i didnt win the silicon lottery for 5.0 mhz.

5.0 mhz wow that's really slow.
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post #1613 of 2000
Quote:
Originally Posted by cjc75 View Post

Question all; I am contemplating my upcoming Tax Return and what I could put some of it into, to upgrade my system.

I have a Core i5-2500K running great and stable at 4.6ghz, and I've tested it as high as 4.8ghz and its remained stable... all while running on DEFAULT VCore in my Bios. My Mobo is an ASRock Z68 Extreme4 Gen3; and I have 8GB DDR-1600 (G.Skill) and a Radeon HD6950.

My girlfriend who lives with me is using a Radeon HD5850, but its fan is slowly dying...

SO.

I have been contemplating whether or not I should keep my i5-2500K since it runs so well at its current overclock; or upgrade to a Haswell...

Or... Keep the i5-2500K and upgrade the Video card; and give the 6950 to my girlfriend to replace the dying 5850...

I am pretty sure I could do either of the following...

GTX 660 x2 SLI
GTX 760 4GB x 1
GTX 760 2GB x 1
R9 270X x 1
R9 270 x2 CFX

Basically, I'm curious as to whether either of these video card options would be a good match with my i5; or whether they would bottleneck it, etc... or would it, bottleneck either of them, etc..

Or would I be better off considering a Haswell; which would probably be a slightly more expensive upgrade, considering the need for a new motherboard...

Guy, a Haswell cpu will be faster no doubt, but I would just stick with the 2500k. It's still a great CPU, and I doubt it'll really need replacing for gaming for a few years more. For the GPU get the best one you can afford, or something used until nVidias next release. You're CPU will be fine for everything, except maybe highend Quad SLI/Crossfire configs.
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post #1614 of 2000
Hey guys i have my 2500k at stock and i changed the turbo multi from 37 to 40 and the vcore went from 1.224 to 1.3
Why such an icrease?
im using auto voltage
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post #1615 of 2000
Quote:
Originally Posted by Kozanitis96 View Post

Hey guys i have my 2500k at stock and i changed the turbo multi from 37 to 40 and the vcore went from 1.224 to 1.3
Why such an icrease?
im using auto voltage

You can always manually set the vcore, since you are using the "auto" function, usually, it gives more than the cpu needs.
post #1616 of 2000
Ok do you think that -0.075mV offset is too much?
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post #1617 of 2000
your offset depends on 3 things.
your llc level, your svid and what you cpu wants to run.
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post #1618 of 2000
I am not using LLC
What is SVID?
Is it in the voltage section in the BIOS?
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post #1619 of 2000
Quote:
Originally Posted by Sin0822 
What is SVID and how does it affect Overclocking?
SVID is a 3-wire digital communication protocol between the CPU and the PWM, it allows for the CPU to change its VID on the fly to fit the frequency selected. That is why you can increase the base frequency +/- 6-7 multipliers and the CPU remains stable, because SVID is increasing the VID without you knowing. Now this doesn’t stop unless you manually set the voltage, so when users use DVID offset, they should be aware that their stock VID really isn’t constant.

too long to read, svid adds voltage when multipliers are increased. you cant turn it off on p67 or z68 motherboards.
this is why we always say use + or - .005 when first checking voltage when using offset for the first time.
Edited by pc-illiterate - 3/4/14 at 8:28am
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post #1620 of 2000
ok
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