ASRock Z390 Extreme4 Review: 9th Gen “Core” Value?

How We Test

MSI’s MAG Z390 Tomahawk is the only board we’ve tested in the Z290 Extreme4’s price group. We included the cheapest of the higher-priced boards, MSI’s MPG Z390 Gaming Pro Carbon and ASRock’s Z390 Taichi, to fill chart space.

SoundIntegrated HD audio
NetworkIntegrated gigabit networking
Graphics DriverGeForce 399.24


The same platform that cooled the 10 cores of our Core i9-7900X worked equally well with the eight cores of the Core i9-9900K, as we’ll show in the overclocking evaluation on the next page.

Comparison Products

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Benchmark Settings

Synthetic Benchmarks & Settings
PCMark 8Version 2.7.613
Home, Creative, Work, Storage, Applications (Adobe & Microsoft)
3DMark 13Version 4.47.597.0
Skydiver, Firestrike, Firestrike Extreme Default Presets
SiSoftware SandraVersion 2016.03.22.21
CPU Arithmetic, Multimedia, Cryptography, Memory Bandwidth
DiskSPD4K Random Read, 4K Random Write
128K Sequential Read, 128K Sequential Write
Cinebench R15Build RC83328DEMO
OpenGL Benchmark
CompuBenchVersion 1.5.8
Face Detection, Optical Flow, Ocean Surface, Ray Tracing
Application Tests & Settings
LAME MP3Version 3.98.3
Mixed 271MB WAV to mp3: Command: -b 160 --nores (160Kb/s)
HandBrake CLIVersion: 0.9.9
Sintel Open Movie Project: 4.19GB 4K mkv to x265 mp4
BlenderVersion 2.68a
BMW 27 CPU Render Benchmark, BMW 27 GPU Render Benchmark
7-ZipVersion 16.02
THG-Workload (7.6GB) to .7z, command line switches "a -t7z -r -m0=LZMA2 -mx=9"
Adobe After Effects CCRelease 2015.3.0, Version 13.8.0.144
PCMark-driven routine
Adobe Photoshop CCRelease 2015.5.0, 20160603.r.88 x64
PCMark-driven routine (light and heavy)
Adobe InDesign CCRelease 2015.4, Build 11.4.0.90 x64
PCMark-driven routine
Adobe IllustratorRelease 2015.3.0, Version 20.0.0 (64-bit)
PCMark-driven routine
Game Tests & Settings
Ashes of the SingularityVersion 1.31.21360
High Preset - 1920 x 1080, Mid Shadow Quality, 1x MSAA
Crazy Preset - 1920 x 1080, High Shadow Quality, 2x MSAA
F1 20152015 Season, Abu Dhabi track, Rain
Medium Preset, no AF
Ultra High Preset, 16x AF
Metro: Last Light ReduxVersion 3.00 x64
High Quality, 1920 x 1080, High Tesselation, 16x AF
Very High Quality, 1920 x 1080, Very High Tesselation, 16x AF
The Talos PrincipleVersion 267252
Medium Preset, High Quality, High Tesselation, 4x AF
Ultra Preset, Very High Quality, Very High Tesselation, 16x AF

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17 comments
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  • Tanyac
    Under the cons column...
    "ASRock will not honor the warranty if purchased in Australia and if problems occur outside the typical retailer 30 day DOA"
  • Crashman
    1749954 said:
    Under the cons column... "ASRock will not honor the warranty if purchased in Australia and if problems occur outside the typical retailer 30 day DOA"
    I don't know much about Australia problems...
  • Phaaze88
    That's quite the oversight... or perhaps it was on purpose(not being able to handle 9900k, I mean)?
    When I see the 'extreme' moniker, I think high end, or something thereof. This doesn't fit the bill.
  • g-unit1111
    I'm noticing a pattern between the VRMs on midrange motherboards and the 9900K. This seems to be no exception. Is this developing into an FX-9590 situation where the CPU was too much for the motherboard to handle?
  • Crashman
    537231 said:
    I'm noticing a pattern between the VRMs on midrange motherboards and the 9900K. This seems to be no exception. Is this developing into an FX-9590 situation where the CPU was too much for the motherboard to handle?
    They're basically splitting the market using the logic that people who buy less than the 9900K would probably like to save money on the board as well. Remember that boards with similar voltage regulators did fairly well with the 8700K, so we're basically looking at a split between "able to overclock 9900K" and "good enough for nearly everything else".
  • emeralds1000000
    8708 said:
    537231 said:
    I'm noticing a pattern between the VRMs on midrange motherboards and the 9900K. This seems to be no exception. Is this developing into an FX-9590 situation where the CPU was too much for the motherboard to handle?
    They're basically splitting the market using the logic that people who buy less than the 9900K would probably like to save money on the board as well. Remember that boards with similar voltage regulators did fairly well with the 8700K, so we're basically looking at a split between "able to overclock 9900K" and "good enough for nearly everything else".


    So where is your Best Motherboards for 9900K roundup review ? Best Value ones and best top ones only for i9 9900K?
  • Crashman
    2748966 said:
    So where is your Best Motherboards for 9900K roundup review ? Best Value ones and best top ones only for i9 9900K?

    I think the best I can do is get the Z390 awards into the Best Motherboards coverage ;)
    So far we have the Gigabyte Z390 Designare and ASRock Z390 Phantom Gaming ITX/ac, but those are both in the over-$200 class.
  • emeralds1000000
    8708 said:
    2748966 said:
    So where is your Best Motherboards for 9900K roundup review ? Best Value ones and best top ones only for i9 9900K?
    I think the best I can do is get the Z390 awards into the Best Motherboards coverage ;) So far we have the Gigabyte Z390 Designare and ASRock Z390 Phantom Gaming ITX/ac, but those are both in the over-$200 class.


    Z390 Motherboards

    Asus has 21
    MSI 11
    Gigabyte 13
    Asrock 11

    I noticed that roundups in the last two years became very scarce and not like the old glory times of Tomshardware and other sites ..

    What is the reason ? They dont send you free motherboards for testing anymore ? or is it not profitable as before to review alot of products ?

    you can easily ask for Hardware donation for testing from Hardware Sellers in return of Ads for their sites , like newegg or Amazon or what ever.
  • Crashman
    2748966 said:
    8708 said:
    2748966 said:
    So where is your Best Motherboards for 9900K roundup review ? Best Value ones and best top ones only for i9 9900K?
    I think the best I can do is get the Z390 awards into the Best Motherboards coverage ;) So far we have the Gigabyte Z390 Designare and ASRock Z390 Phantom Gaming ITX/ac, but those are both in the over-$200 class.
    Z390 Motherboards Asus has 21 MSI 11 Gigabyte 13 Asrock 11 I noticed that roundups in the last two years became very scarce and not like the old glory times of Tomshardware and other sites .. What is the reason ? They dont send you free motherboards for testing anymore ? or is it not profitable as before to review alot of products ? you can easily ask for Hardware donation for testing from Hardware Sellers in return of Ads for their sites , like newegg or Amazon or what ever.
    First of all, we have not awarded 21 Asus boards. And our "best motherboards" is an awards showcase. So it needs to be updated with the two Z390 boards that did get awards.

    Poor traffic is the reason we don't do many roundups. Most of our traffic comes from search engines now. More people are searching for reviews by motherboard name than for roundups. And the easiest way to get a search engine to promote a Gigabyte Z390 Designare review, for example, is to write an article called the Gigabyte Z390 Designare review.

    So without further adieu, here are motherboard reviews:
    https://www.tomshardware.com/t/motherboards/review/
  • emeralds1000000
    8708 said:
    2748966 said:
    8708 said:
    2748966 said:
    So where is your Best Motherboards for 9900K roundup review ? Best Value ones and best top ones only for i9 9900K?
    I think the best I can do is get the Z390 awards into the Best Motherboards coverage ;) So far we have the Gigabyte Z390 Designare and ASRock Z390 Phantom Gaming ITX/ac, but those are both in the over-$200 class.
    Z390 Motherboards Asus has 21 MSI 11 Gigabyte 13 Asrock 11 I noticed that roundups in the last two years became very scarce and not like the old glory times of Tomshardware and other sites .. What is the reason ? They dont send you free motherboards for testing anymore ? or is it not profitable as before to review alot of products ? you can easily ask for Hardware donation for testing from Hardware Sellers in return of Ads for their sites , like newegg or Amazon or what ever.
    First of all, we have not awarded 21 Asus boards. And our "best motherboards" is an awards showcase. So it needs to be updated with the two Z390 boards that did get awards. Poor traffic is the reason we don't do many roundups. Most of our traffic comes from search engines now. More people are searching for reviews by motherboard name than for roundups. And the easiest way to get a search engine to promote a Gigabyte Z390 Designare review, for example, is to write an article called the Gigabyte Z390 Designare review. So without further adieu, here are motherboard reviews: https://www.tomshardware.com/t/motherboards/review/


    I meant to say , why dont you review every motherboard released by known Vendors ?
  • mdd1963
    So are $500+ 'mainstream' Z390 boards required to properly run the 9900K? What a disaster...
  • logainofhades
    The 9900k I feel is Intel's FX9590 with regards to needing expensive board, cooling, and high wattage psu, just to handle it. Only difference is the performance is actually there.
  • Crashman
    46152 said:
    So are $500+ 'mainstream' Z390 boards required to properly run the 9900K? What a disaster...
    Only if you're prone to exaggeration. Everyone else can find a $200+ board to do it.
  • logainofhades
    8708 said:
    46152 said:
    So are $500+ 'mainstream' Z390 boards required to properly run the 9900K? What a disaster...
    Only if you're prone to exaggeration. Everyone else can find a $200+ board to do it.


    It does seem like the vast majority of Z390 boards have been labeled as mediocre, with regards to 9900k overclocking. The platform, as a whole, while fast, is simply horrible when it comes to price/performance. The cost to run a 9900k vs a 2700/2700x, could easily mean a better GPU, going with the less expensive product. While I love my 6700k, Intel has priced themselves so far, that if I had to build now, it would be AMD. Intel simply has lost me as a customer with their ridiculous pricing. At one time I could at least argue, from an upgrade perspective, that Intel would make sense, as I could reuse my CL13 2133 ram, and not get a huge performance penalty, staying with Intel. Now the price difference is so vast, I would be spending just as much, to buy an AM4 platform, with new/faster ram. I could then repurpose my 6700k for something else.
  • Olle P
    59887 said:
    It does seem like the vast majority of Z390 boards have been labeled as mediocre, with regards to 9900k overclocking. The platform, as a whole, while fast, is simply horrible when it comes to price/performance. ...
    Or perhaps it's the 95W Core i9 that's a horrible overclocker, demanding way more than 95W to run at useful speeds?

    Quote:
    But the point was that we expected a board that supports the processor to do so continuously at stock frequencies.
    The board should easily be able to run the CPU at the stock (base) frequency, with all cores heavily loaded, continously.
    It's only if you overclock by going above the base frequency for a longer time that there's a problem. How far can you overclcok it? 3.8GHz, 4.0GHz or 4.2GHz?
  • Crashman
    362640 said:
    59887 said:
    It does seem like the vast majority of Z390 boards have been labeled as mediocre, with regards to 9900k overclocking. The platform, as a whole, while fast, is simply horrible when it comes to price/performance. ...
    Or perhaps it's the 95W Core i9 that's a horrible overclocker, demanding way more than 95W to run at useful speeds?
    Quote:
    But the point was that we expected a board that supports the processor to do so continuously at stock frequencies.
    The board should easily be able to run the CPU at the stock (base) frequency, with all cores heavily loaded, continously. It's only if you overclock by going above the base frequency for a longer time that there's a problem. How far can you overclcok it? 3.8GHz, 4.0GHz or 4.2GHz?
    The problem is that Intel's 95W is unrealistic when compared to its stock Turbo Boost ratios. Or its stock Turbo Boost ratios are unrealistic compared to its TDP. Either way, more than half of retail boards are designed to ignore TDP limits and hold up the default Turbo Boost ratios rather than throttling. And that's where the whole problem of sub-$200 boards having not enough power to run Prime95 small-FFTs without throttling to protect the voltage regulator kicks in. There is no consistency in that. Two boards with different heat sinks will have different hold up times, etc. And we're just trying to test these in a consistent manner.
  • g-unit1111
    8708 said:
    537231 said:
    I'm noticing a pattern between the VRMs on midrange motherboards and the 9900K. This seems to be no exception. Is this developing into an FX-9590 situation where the CPU was too much for the motherboard to handle?
    They're basically splitting the market using the logic that people who buy less than the 9900K would probably like to save money on the board as well. Remember that boards with similar voltage regulators did fairly well with the 8700K, so we're basically looking at a split between "able to overclock 9900K" and "good enough for nearly everything else".


    Yeah I feel like if you're in the market for a 9900K that you would be spending way more on a motherboard anyways, because I know I wouldn't buy a $500 CPU and pair it with a $140-ish motherboard. I think if motherboard manufacturers were going that route that they'd probably get a lot of confused and very angry customers when they find out that their expensive new PC doesn't work because they decided to go cheap on the motherboard.