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Jun
5
2014

Intel 4790K Overclocking Review and Benchmarks

Intel 4790K Overclocking Review and Benchmarks


Intel's new Devil's Canyon line of CPUs is really aimed at overclockers who want the best CPU performance possible. Now that we have had some time to play around with the new chips, we decided to see just how far we could push the i7 4790K when overclocked on water.


Although people were hitting 5 GHz+ at the Intel event, the chips that were used there were definitely binned and they also had liquid nitrogen running in their setups. It’s also important to keep in mind that we only had a single CPU on hand to test so we couldn’t bin the 4790K to find the best overclocker out of the bunch.

Power Draw


In our power draw test, we used a kill-a-watt to measure the total system power draw when both idle and under load. What we found was that at stock settings, the 4770K actually consumed more power than the i7 4790K. When we had both running at 1.25v and 4.4 Ghz, they drew about the same amount of power. When we overclocked the 4790K to 4.8 Ghz, it required that we increase the VCORE to 1.37 and resulted in a huge increase of power consumption.

Temperature


In our temperature test, we let the computer run the LINX stress test for 30 minutes in order to get our load temperatures. For our stock results, we had both CPUs use the standard heatsink that is included with the 4770K. For the overclocked results, all tests were done with a watercooling setup that had a 360mm radiator.

SiSoft - Arithmetic


SiSoft - Cryptography


Cinebench R15


Conclusion

In the end, the new i7 4790K Devil’s Canyon CPU is definitely an improvement over the original 4770K. It overclocks better and due to the new thermal interface material, the temperatures are much lower. If you currently have a 4770K, there isn’t much reason to upgrade to the new chip. However, if you are planning to buy a new gaming computer, you’ll definitely want to go with the Devil’s Canyon line of CPUs.

What are your thoughts on the performance of the i7 4790K? Will you be picking one up? Let us know in the comments below!

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