Taming the Beast: 4930mx

Discussion in 'Hardware Components and Aftermarket Upgrades' started by TheReciever, Nov 23, 2019.

  1. Mr. Fox

    Mr. Fox BGA Filth-Hating Elitist

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    It depends on what you call overclocking. For any serious overclocking on the pre-BGA notebook CPUs only an Extreme CPU (XM and MX) can achieve any level of meaningful overclock. The rest of them are gimped just like the mickey mouse BGA K-joke filth, or even worse. The non-XM/MX CPUs are only good for a minor bump, like 400MHz or less, and they do not have fully unlocked power limits. Hardly worth writing home about.
     
  2. Mastermind5200

    Mastermind5200 Notebook Virtuoso

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    "Overclocking" is defined generally as increasing the speed of the processor by any regards, and as such, MX isn't needed for overclocking. MQ/QM CPU's can enjoy a fair bit of overclocking headroom due to turbo bins, a 4900MQ can easily max out thermal/power limits of most machines (+6 turbo bins), and yes you can disable power limits on Haslel.
    Overall, wouldn't call them gimped as a OC is still a OC. Reminder that there are BGA CPUs that will destroy MX/XM CPU's extremely easily.
     
  3. TheReciever

    TheReciever D! For Dragon!

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    I'd hope so, they are going on 4-6 generations newer so that is to be expected.

    I will utilize the unlocked multi / potential binning / unlocked sbios / unlocked power limits / disabled power saving features for my overclocking methodology and for the purposes of this thread.

    I already have the 4930mx chip and up til now confirmed that the 4980hq will not post in the ranger. It has a "locked" multi of up to x46 but is all moot as it will not post in the ranger even with Crystalwell microcode.

    So, any thoughts of my question in my previous post?
     
  4. Mastermind5200

    Mastermind5200 Notebook Virtuoso

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    A copper contact plate wouldn't net you huge gains, there are a small few to be had of which I assume you know of, and considering it is slightly bent, I'd go for the copper coated one
     
  5. TheReciever

    TheReciever D! For Dragon!

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    Copper coated?
    What?

    I have a copper contact plate, made of nothing but copper(including surrounding body), and the others are copper plate with aluminum body.

    My heat exchanger can house 3 pipes in a single row, so with that in mind the copper might be the better choice just from a displacement of the body heat which isn't specifically hugely beneficial but I suspect may benefit from longer sustain loads.

    Either way 3 heatpipes are happening here. Just curious what looks to be the better scenario.

    If this project is a bust I'll still use it as a proof of concept to send to someone more capable than I for replication.
     
  6. Just_Another_Day

    Just_Another_Day Newbie

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    Haswell was a special case and "gimping" is due to firmware and hardware that the CPU is running with, not the CPU itself. That is what I was trying to explain to TheReceiver, ultimately performance will be determined by that.

    4930MX vs 4700MQ overclocked
    [​IMG]

    The 4700MQ overall beats the 4930MX and that really shouldn't happen. Ignore the PCMark04 score for the 4930MX, it's really a CBR11.5 score. BTW the 4980HQ overclocked absolutely crushes those scores but has an advantage with L4 cache, especially significant with some benches such as WinRaR scoring over 17,000.

    @TheReciever, this is why for these chips the hardware and firmware is so important. Hopefully you can bring back some dignity for the 4930MX.
     
  7. TheReciever

    TheReciever D! For Dragon!

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    Yes I wanted the 4980hq for the L4 cache but sadly will not post. I have it running on my t440p now.

    I have made the first heatsink, havent tested yet as I need to shave off some more heatsink to allow it to fit. The whole process, if I had done it correctly was rather easy.

    Didnt bend much pipes, I just pulled pipes from other heatsinks and used those.

    https://imgur.com/a/t2W0h4B


    Give it some time as they are still uploading.

    I am using the copper heat exchanger from the gpu side and also doubling it much like you see in the MSI laptops.
     
  8. Hirosake

    Hirosake Guest

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    Holy snappin duck sh*t!
    "Look at the size of that thing"


    what...no water cooler ;)
     
  9. Mr. Fox

    Mr. Fox BGA Filth-Hating Elitist

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    Haswell was the least impressive Core i7 mobile release in most ways. Only speculation, but I think Intel was not putting their best effort into it knowing that it was the last socketed mobile CPU with BGA to follow on its heels. The fact that the 4940MX CPU was an abject failure as an "Extreme CPU" (far worse than the 4930MX) supports that theory. The Haswell desktop CPUs were also rather pitiful. They ran extremely hot and the SoC idea was not executed gracefully. They were cramming too much crap on a chip. Sandy Bridge and Ivy Bridge XM, K and X SKUs were much better products, and those Extreme mobile CPUs distanced themselves appropriately from the ordinary consumer SKUs.

    The other thing that has to be considered is the platforms the Haswell MX CPUs were being installed in left a lot to be desired. With Alienware, the firmware was totally crap, and with Clevos running @Prema BIOS their Achilles Heel was woefully inadequate thermal management. The whole Haswell era was an engineering abortion for all of the OEMs on the mobile front. It was not a good time for notebook overclocking enthusiasts. I'd say it was the worst that I can remember. What came before it was better for Alienware and Clevo, and what came after Haswell was amazing for Clevo (although things got a lot worse for Alienware).
     
    Last edited: Dec 27, 2019
    Papusan likes this.
  10. Papusan

    Papusan JOKEBOOKs Sucks! Dont waste your $$$ on FILTHY

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    Can you post the link with the 4700MQ results? And keep in mind that some benchmarks are very ram dependent. Also what OS you run can impact what results you get.

    From the bot https://hwbot.org/hardware/processors?from=processor_2839#key=core_i7_4700mq
    upload_2019-12-27_7-15-29.png
     
    Last edited: Dec 27, 2019
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