Z97 and Z170 Motherboards - sorted by DPC Latency (AnandTech)

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tomixornot
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2016/05/03 00:38:58 (permalink)

Z97 and Z170 Motherboards - sorted by DPC Latency (AnandTech)

 
DPC Chipset Form Factor                            Newegg Amazon
 20 (Z170)  Extended ATX ASUS Maximus VIII Extreme 484.99 480.99
 39 (Z97)   ATX          AsRock Z97 Extreme6       139.99 166.97
 43 (Z97)   Mini ITX     MSI Z97I AC               nil    250.00
 49 (Z170)  Mini ITX     ASUS Maximus VIII Impact  238.99 238.99
 53 (Z97)   ATX          MSI Z97 MPower Max AC     nil    480.00
 56 (Z97)   ATX          Gigabyte Z97X-SOC Force   189.99 333.24
 66 (Z97)   Mini ITX     Gigabyte Z97N-WIFI        139.89 139.99
 70 (Z97)   ATX          Gigabyte Z97X-UD5H        187.04 191.29
 88 (Z97)   ATX          ASUS Z97-Pro              127.49 149.95
 89 (Z170)  ATX          ASUS Z170-A               134.99 134.99
 92 (Z97)   ATX          ASUS Z97-Deluxe           nil    522.00
107 (Z97)   Mini ITX     ASRock Z97E-ITX           129.99 154.99
110 (Z170)  ATX          MSI Z170A SLI PLUS        139.99 144.14
128 (Z170)  ATX          MSI Z170A Gaming M7       199.99 199.99 or lower
 
*DPC Latency in Microsecond
Source
http://www.anandtech.com/show/8045/asrock-z97-extreme6-review-ultra-m2-x4-tested-with-xp941/6
 
http://anandtech.com/show/8276/z97-miniitx-review-at-140-asrock-z97e-itx-msi-z97i-ac-and-gigabyte-z97n-wifi/6
 
http://www.anandtech.com/show/10206/the-asus-maximus-viii-extreme-review/6
 
http://anandtech.com/show/10236/the-msi-z170a-sli-plus-review/6
 
post edited by tomixornot - 2016/05/03 07:11:11

Albert


i7 2600K @ 3.40GHz / MB Intel DP67BG / 16GB Ram
- ADATA 250GB SSD (Boot)
- Samsung Spinpoint F1 1TB HDD (Samples)
Audio interface : Motu 828 MK ii
 
i7 6700K @ 4.00GHz / MB Asrock Z170 / 16GB Ram
- Samsung EVO 850 120GB / 500 GB SSD

Audio interface : Roland Quad Capture
 
Win 10 Pro / Sonar Platinum
#1

7 Replies Related Threads
    tomixornot
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/03 00:42:17 (permalink)
    Since I'm compiling these, I though I post it too. Current list only include Z170 / Z97 and did not include boards with over 200 micro seconds of DPC latency.

    Albert


    i7 2600K @ 3.40GHz / MB Intel DP67BG / 16GB Ram
    - ADATA 250GB SSD (Boot)
    - Samsung Spinpoint F1 1TB HDD (Samples)
    Audio interface : Motu 828 MK ii
     
    i7 6700K @ 4.00GHz / MB Asrock Z170 / 16GB Ram
    - Samsung EVO 850 120GB / 500 GB SSD

    Audio interface : Roland Quad Capture
     
    Win 10 Pro / Sonar Platinum
    #2
    Jim Roseberry
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/03 10:01:17 (permalink)
    FWIW, Without the exact testing configuration (and keeping it 100% consistent between all tested boards), those DPC Latency figures are nearly meaningless.
     
    ie:  There are certain parameters in the BIOS that can help minimize DPC Latency.  
    These parameters aren't exposed/available on all motherboards.  
    Were these tweaked on each motherboard tested?
    If they were enabled on some... and not others... the test results are completely skewed. 
     
    It's the whole combination (motherboard and it's settings and component drivers, video card and it's drivers, etc).
    The OS can affect DPC Latency
    CPU throttling can affect DPC Latency
     

     

    Best Regards,

    Jim Roseberry
    jim@studiocat.com
    www.studiocat.com
    #3
    Jim Roseberry
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/03 10:02:20 (permalink)
    Z87 chipset motherboards did not blanketly have an issue with high DPC Latency.
     
    Z97 motherboards boot plenty fast.
    Boot speed is affected by the number of motherboard component/drivers (especially HD controllers - which scan their ports) that have to be loaded.
    This in and of itself has nothing to do with DPC Latency.
    Now, if any of those drivers aren't well-written (monopolizing CPU time), then that would negatively affect (increase) DPC Latency.
     
    post edited by Jim Roseberry - 2016/05/03 10:23:56

    Best Regards,

    Jim Roseberry
    jim@studiocat.com
    www.studiocat.com
    #4
    tomixornot
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/03 11:46:29 (permalink)
    Jim,
     
    Thanks for the insights. I'm sure the tests configuration was not 100% consistent. I read at least in one review, where the reviewer would prefer one particular setting but the bios setup is not defaulted as such and he simply leave it as it is. But that's how I narrowed down my selection, hopefully close enough :)

    Albert


    i7 2600K @ 3.40GHz / MB Intel DP67BG / 16GB Ram
    - ADATA 250GB SSD (Boot)
    - Samsung Spinpoint F1 1TB HDD (Samples)
    Audio interface : Motu 828 MK ii
     
    i7 6700K @ 4.00GHz / MB Asrock Z170 / 16GB Ram
    - Samsung EVO 850 120GB / 500 GB SSD

    Audio interface : Roland Quad Capture
     
    Win 10 Pro / Sonar Platinum
    #5
    Sycraft
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/03 19:28:52 (permalink)
    Ya configuration can make a REAL big difference. I can drop my DPC and ISR latency a lot if I want to, by disabling all the power management on my CPU and GPU. I tell those things to stay all the way up all the time and it drops it a bunch. Of course it also makes my system use way more power, so I don't bother as I'd rather have a more efficient system and just turn on the buffer a bit.
    #6
    chuckebaby
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/07 11:04:39 (permalink)
    my newest build is a z97. I like it. I paired it with an Intel I7 4790k.
    my biggest issue was I cheaped out on ram and bought the on sale crucial ballistix 16GB DDR3.
    it was either junk, or bad ram. upgraded to the corsair same specs and she fly's.
     
    I remember having debates with jim R about how I thought AMD was almost as good as Intel.
    I kind of feel like a schmuck now.
     
    though I will stand by some of what I said, AMD has come a long way and the price is great, load times however, system stability, boot times...its a whole other world.
    still love my AMD bulldozer, just not like this Intel though. its another animal.

    Windows 8.1 X64 Sonar Platinum x64
    Custom built: Asrock z97 1150 - Intel I7 4790k - 16GB corsair DDR3 1600 - PNY SSD 220GB
    Focusrite Saffire 18I8 - Mackie Control
       
    #7
    SuperG
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    Re: Z97 and Z170 Motherboards - sorted by DPC Latency (Anantech) 2016/05/07 16:45:07 (permalink)
    I'm not sweating a thing. I'm running Win 10, completely un-tweaked, on an i7-6700 and it runs smoothly. CPU hogs like Ozone don't even register a discernable difference on Sonar's performance meter.

    laudem Deo
    #8
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