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How To Boost 8th Gen Core i5 & i7’s To Preform Like An i7 7700HQ (Mi Notebook Pro)

How To Boost 8th Gen Core i5 & i7’s To Preform Like An i7 7700HQ (Mi Notebook Pro)

Intel’s Xtreme Tuning Utility is a great tool for overclocking CPU’s, while we can’t overclock the U series of CPU’s what we can do using this application of Intel’s is increase the power limits. Doing this on the 8th Gen Intel Core i5 8250U gives us huge gains up to 29% when testing with Cinebench R15 and encoding 4k video using Adobe Premiere Pro.so much so we can get the 15W stock TDP  i8250U to perform as good as if not better than a 45W Core i7 7700HQ typically found in 2017 gaming laptops.

So we can get the 1Core i5 i8250U to perform as good as if not better than a 45W Core i7 7700HQ. And the i7 8550U to perform better than an i7 7820HK typically found in 2017 gaming laptops & desktop replacements.

This tweak is very simple, all we are doing is moving that stock TDP of 15W to say 35W or 40W, now the CPU can hold it’s 3.4Ghz turbo on all 4 cores for as long as the cooling allows us to. This tweak will work on all the 4 core 8th Gen CPU’s and results will vary, especially when it comes to undervolting the CPU.

My Xiaomi Mi Notebook Pro with it’s Core i5 8250U can be undervolted to -0.105, but it all depends on each CPU just how much you can undervolt. What this undervolting does is reduce the CPU temperature a faction, which also helps out in the long run. It will also offer a small battery saving as a bonus.

Above is a quick guide on how to undervolt, increase the TDP and also overclock the Nvidia MX150 GPU to perform up to 31% faster when looking at Heaven benchmark results. Also due to the better cooler on the Mi Notebook Pro, my i5 8250U can hold the 3.4Ghz turbo indefinitely on all cores with a max temp of 65 degrees C after a 20-minute CPU stress test. Pushing both the GPU and CPU resulted in 81 degrees max on the CPU after 15 minutes. Impressive results! Enjoy boosting your 8th gen CPU to perform faster than most 7700HQ 2017 gaming laptops!

The notebook used for this tweak was my Mi Notebook Pro Core i5 8250 version, this is Xiaomi’s latest premium laptop which sells for around $917 here with coupon GBPCPCS

You can download Intel XTU here.

Chinese tablet news, hands on videos and reviews of the latest Chinese tablets. I don't review or cover just anything, only tablets I think are good enough and worth the attention.

12 Comments

  1. Hi Chris,

    First of all many thanks for your review on the Xiaomi notebook pro and for this boosting guide.

    We are currently considering buying this laptop, yet are not sure which model would be the most sensible. Perhaps you can provide some advice.

    You mention that you may keep this laptop for 4k editing. Wouldn’t the 16GB version be a more future-proof choice for such workloads? Mind you we are talking about vacation movies and the like.

    Secondly, do you think that the i7 model would also be able to sustain its full turbo speed after boosting? 4 vs 3.4 Ghz does sound attractive.

    Cheers!

    • Hi, I really do think that for 4k editing it would be better of with 16GB of RAM. So once the price drops I plan to pick up the i7 16GB model. Also according to some comments in the unboxing video the i7 8550U with a -100mv undervolt and the 30W TDP will hold 4.0Ghz but the trade off is it will get a little hotter as a result. If and when I do get the i7 model I would cover this in a video.

    • No, the power banks must output 20v and 3.25A to work on this Mi Notebook Pro

  2. Does the xtreme tuning utility work for 7th gen kaby lake m3 chip/apollo lakes too?

    • Yes it does, you can increase the TDP, but be warned without a fan it does get really hot.

  3. Impressive Chris!

    I wonder if application of new cooling paste, would help decrease temperatures even further? 😉

    • I imagine it would, I might repaste it if I keep it. Which is looking like I will for my travel 4k editing laptop.

  4. whoa! Nice tip man. Those new 8th gen chips are fast, beating a Core i7 7700HQ beast is crazy having that much power in 2 kilo thin notebook. Hmmm, the Mi Notebook Pro and 8th gen cpus just became interesting! So what’s the con? It must overheat and will it damage the notebook.

    • Yes with this tweak the Mi Notebook Pro’s CPU is as fast as my i7 7700HQ in my MSI GL62M. The con is this, more heat, but the Mi Notebook Pro seems to handle it fine, even when gaming (both CPU and GPU push to 100%) The laptop does get a little hotter to the touch due to the increased temps. But the CPU max is around 71 degrees C when only taxing the CPU. And when the GPU in use around 81 degrees C max. Still well within limits.

      • Assuming it would have quite an impact on battery life so just for when plugged in really?

        • It’s good for when you want a nice boost in performance. For example editing and encoding a 4k video is now much faster with this tweak. For battery life you can just undervolt to gain a little more battery.

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