4670k needs crazy voltage. Is it for sure my CPU or is it maybe the motherboard

I'm trying to wait for the new intel and further progression on the Ryzen before I decide what to do but I did go ahead and order a 1080 and a FUMA so I can OC hard and stay relevant for the next 6 months or so.

I require 1.395v to get 4.5ghz on my 4670k. During games I am not exceeding 75c, maybe even 70c I need to look again I'm on my phone.

My plan was to potentially buy a used chip on eBay hoping it had better OC abilities and then once I find one that does, sell the one that is worse for a wash/small loss.

If I can spend 20-30 bucks by swapping out for a few used 4670ks until I find one that has at least average OC ability I'd really like to get to 4.7-4.8ghz if possible since it seems my cooler can handle high voltages with good temps during 3 hours of pubg where my CPU is above 90% load the entire time.

I have a MSI z87-g45 motherboard btw. I just wanted to know the likelihood that it's my motherboard rather than the CPU so I can know if it's worth it to mess around trying to find another used 4670k

The time consuming part will be putting in the new CPU each time. Just not knowledgeable enough on the topic and want some advice before doing this 4670k hunting
Reply to negativory
5 answers Last reply
More about 4670k crazy voltage cpu motherboard
  1. The 4670k wasn't a great overclocker, mine does 4.3Ghz on 1.295v. Anyway 4.5 to 4.8Ghz is a 6.7% increase, you are not going to notice it. Few got much higher than 4.4 - 4.5Ghz. For noticeable improvements your going to need a complete platform upgrade.
    Reply to sizzling
  2. Where is the information on the 4.5-4.8ghz only being 6% increase in performance? Not saying you're wrong cause I have literally nothing to base it off of currently, just seems wrong to me from the gain I felt I noticed from 4.3 to 4.5.

    I've definitely seen a lot of 4670ks that made it to 4.4-4.5 at 1.25 or even significantly less being posted all over. Obviously these are chip winners but even an average chip I should be able to get pretty high since I can keep temps low even at 1.39v
    Reply to negativory
  3. Just math. A speed of 4.8 is 6.7% higher than 4.5.

    Just after reading lots of forums I came to the conclusion 4.3-4.4 was average for 1.3v and going higher on voltage gave little gains and lots of heat. Of course there are lucky people who got higher and wanted to shout about it :D
    Reply to sizzling
  4. sizzling said:
    Just math. A speed of 4.8 is 6.7% higher than 4.5.

    Just after reading lots of forums I came to the conclusion 4.3-4.4 was average for 1.3v and going higher on voltage gave little gains and lots of heat. Of course there are lucky people who got higher and wanted to shout about it :D


    Weird from the comments it seemed like 4.4 at 1.3v was definitely not the average. Seemed more like 1.225-1.25 was average for definitely 4.3 but commonly 4.4 and the off person who was saying he needed a ton more voltage for it then the lucky lucky people with stock voltage or in the 1.1s were getting 4.4-4.5 those damn luckboxes
    Reply to negativory
  5. Maybe it is just me and most of the time I run into a GPU bottleneck far before I have any CPU issues. But I have played games with my i5-4670k clocked at 3.8, 4.0, and 4.2 ghz and I really haven't noticed much of a difference. But with my chip I can leave the voltage at stock until I hit 4.0 ghz.

    I can test out what voltage I need to hit 4.5 ghz and post an answer later today.

    Update:
    I was able to hit 4.5 with a lower voltage. Please see the data below. Hope this helps you out. Temps were very high due to stability testing.

    Reply to bestraughn
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