Overclocking Worklog #31: Using the MSI Z170i Gaming Pro AC – SuperPi 32M on the MSI Godlike OC S2 Extreme

The plan for this session was to bench SuperPi 32M (again) on the new board I just got myself: the MSI Z170i Gaming Pro AC. A mini-itx board yes! The reason why I wanted to use and try out this board is mostly because the competitors in this competition where able to post some really interesting scores with it – and with the board I was using earlier (the much bigger X99A XPower), I wasn’t able to come anywhere near.
The main difference between the big board and the small one is that it’s just a little bit easier on the IMC, the memory tracks and channels are slightly shorter and closer together (aka more efficient design). And well, it showed straight away in the scores I’ve got.
As simple as that. Here is the hardware I used in this session:
  • CPU: Intel Core i7 6700k
  • Memory: G.Skill TridentZ 3600C16
  • Storage: Intel 40G SSD
  • Motherboard: MSI Z170A Gaming Pro AC
  • Fans: Cooler Master jetFlo 120
  • PSU: Corsair ELITE AX1500i
  • TIM: Thermal Grizzly Kryonaut

New personal best at 5G

So with the memory set at the same frequency and the CPU also limited to 5G, my previous best was 5min59sec800ms. Now straight away on the first run with this new smaller board, and only the primary and secondary timings set I was able to post a score of 5min59sec100ms score – with in mind still room left for tweaking and efficiency optimization.
At the end of the day, I was able to finish with a score of 5min56sec400ms, and that’s a new personal best for me on the 5G challenge, so I’m quite happy with that. Knowing that my previous best was 5min58sec or so.

Mini-ITX a little bit tougher to use

Ultimately, the little board is a little bit tougher to use. Mostly because there is no debug LEDs as well as a couple of other things such as no clock-gen. So at the end of the session, I’va had a problem where my base clock was messed up. I couldn’t use control center and Jonathan actually posted some info on how to fix that. I need to remove the battery and the power from the motherboard to sort of reset the whole thing.
But of course now with all my insulation, I can’t get to the battery haha … So I’ll have to be creative here and come up with a little work around for that.

General impressions

Overall, I’m extremely happy with this session and the performance of this little board. With all the difficulties I think anybody entering this competition on the extreme side is really going to have a tough time to match it without using that board.
That’s it for this log. Thanks for tuning in and thanks to my sponsors: Intel South Africa for helping me out with the processor and HyperX for the memory support in the Pro OC.

Next Stream

I will be bringing you a Pro OC Stream sometimes in the weekend so stay tuned!

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Until next time Happy Benching
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