Corsair H115i PRO RGB and H150i PRO RGB Review

Sky Lake Performance and Testing

Corsair H115i PRO RGB 

Sky Lake Testing 

The test set up consisted of the following

 Intel i7 6700K 
Stock (4.2GHz)@ 1.2v 
4.6GHz @ 1.3v
4.7GHz @ 1.344v
Asus Maximus VIII Ranger
2x4GB Corsair Vengeance LPX Memory
Corsair Force GT 60GB
CoolerMaster V650
Coolermaster MasterCase Pro5


As was the case with our previous set up, we'll be testing our coolers at varying levels of overclock and increasing levels of voltage. The increase in volts means an increase in heat within the CPU, and it's this heat that the coolers need to dissipate. 

Continuity is very important in testing, and for this reason we keep as many of the potential variables as locked down as possible.  We will be using OCCT in Linpack X64, AVX compatible with all logical cores tested and 90% free memory utilised. The test is set up to run automatically with just a few clicks to set it going.  A 10 minute idle followed by 30 minutes of testing and a 5 minute cool down is the order of the day and brings the total test time per clock speed to 45 minutes.  So as to remove subjectivity in determining whether a CPU has failed, OCCT is set to stop the test and register a fail should the max temp exceed 80 degrees.  As with the socket 2011, in testing we noted that if even just one of the cores exceeds 82 degrees OCCT halts the test and a fail is recorded.


It makes sense to start with the stock speed, and with stock volts, as this represents a good baseline from which to measure our results.  As always, rather than leave the setting on Auto, we've actually dialed in the stock voltage we require, in this case it's 1.2 volts for a nice stable vanilla 4.2 GHz.  Although these low volt low overclocks represent a good baseline to start from, they're not where the actions at, so for that we'll need to add more volts.

Corsair H115i PRO RGB  




To get to 4.6GHz we had to up the volts to 1.3Volts  At the higher levels of heat generated by the increase in voltage required for the 4.6GHz overclock, fan performance, although still a factor becomes less critical, replaced instead by a coolers ability to conduct the heat up the heat pipes and more crucially the total surface area of the fins enabling convection to the atmosphere.  In the case of AIOs and water cooling the surface area of the radiator and the efficiency of the contact plate begin to play more of a factor.

Corsair H115i PRO RGB 




Skylake if you remember didn't overclock as well as Kaby Lake and needed a fair few volts for what now seems like a 'low' 4.7GHz overclock. We only still run this because we can use the same test rig for it and it helps us still include a lot of results in the graph, if nothing else its great for cross referencing. To be very clear though only the cream of the crop will excel at this level. 

Corsair H115i PRO RGB  

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Most Recent Comments

08-01-2018, 14:55:56

Can't wait for the H200iQuote

08-01-2018, 15:18:50

Great review guv !

I just ordered the H150i Pro, Finally a replacement for my noisey H115i GT Quote

08-01-2018, 15:41:30

Very nice. Big fan of triple rads. You can run the fans at 5v and the cooling is still exceptional !

Nice to see another 360 AIO too.Quote

08-01-2018, 15:49:44

Damn, that performs incredibly well. I thought we were hitting the limits of AIOs, but those numbers are highly impressive. Other reviews aren't so favourable, but still good numbers.Quote

08-01-2018, 16:01:43

Originally Posted by AngryGoldfish View Post
Damn, that performs incredibly well. I thought we were hitting the limits of AIOs, but those numbers are highly impressive. Other reviews aren't so favourable, but still good numbers.
I think pump tech has improved a lot. Plus people are starting to design their own now instead of copying Asetek.Quote

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