Test System Setup and Overclocking
We would like to thank the following companies for supplying and supporting us with our test system hardware and equipment: Intel, ASUS, MSI, Western Digital, MemoRight, and Corsair.
We have a bunch of motherboards in our graphs here today, but the ASRock Z97X Killer is the only one that will be making use of our new i7-4790K. Instead, our other boards will be using our tried and tested i7-4770K. Over the next few weeks, though, as we test more and more Z97 motherboards, we will begin to phase out most of the motherboards that use the i7-4770K and instead replace them with boards that are using our new i7-4790K.
So, with all that said, let's quickly cover the boards that you will be seeing in our graphs here today. Apart from the ASRock Z97X Killer with the i7-4790K, which will be running at both stock and overclocked speeds, we have the ASUS SABERTOOTH Z97 MARK 1, ASRock Z97 Extreme4, MSI Z97X-UD5H, and ASRock Z87 Killer all running the i7-4770K.
If you had a chance to read our i7-4790K review, you would already know how we went with overclocking. At the moment, the particular i7-4790K we have isn't the strongest overclocker. While our previous i7-4770K managed to achieve in the higher realms of 4.9GHz climbing towards 5GHz, our i7-4790K isn't blessed with the same overclocking ability.
Spending as much time in the BIOS as we could and messing around with the settings, we ended up with our i7-4790K running at 4.7GHz via a 47x multiplier. This is a good overclock and lines up with what a lot of other people are seeing from their i7-4790K. It's still not as high as what we could get on our previous chip, though, and we're hoping in the coming weeks we're able to get ahold of an i7-4790K that can clock higher.
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