motherboards
Arctic
Arctic Feezer 7x
Results 1 to 5 of 5

Thread: Mobo Power Phase Opinions

  1. #1
    Regular Member

    Status
    joshjaks is offline

    Last Online
    02-07-2020 @ 09:42
    Join Date
    Nov 2012
    Location
    Rangely, CO
    Posts
    1,126
    CPU: AMD / Ryzen / 1700X / 3850 MHz
    M/B: Asrock X370 Taichi
    RAM: 16gb / Geil / EvoX / 16-16-16-36 / 3200 MHz
    GPU: Sapphire / R9 290 Vapor-X / 4gb / x 2 Crossfire
    • joshjaks's Full Spec's
      • Case:
      • Thermaltake Core V71
      • PSU:
      • Rosewill / Lightning / 1000w
      • Cooling:
      • Proc / Swiftech Apogee II Block, Enermax NEOllusion Res Fans / 4x NZXT 200mm Front and Top / 2 x Corsair AF140mm Purple LED Bottom and Back GPU / Stock (Vapor-X)
      • Monitor:
      • Viewsonic 27" LED FreeSync
      • OS:
      • Windows 10
      • Misc:
      • NZXT Grid+ Fan Controller
    Thanks
    248
    Thanked 132 Times in 101 Posts
    Points: 24,551, Level: 48
    Points: 24,551, Level: 48
    Level completed: 1%,
    Points required for next Level: 999
    Level completed: 1%, Points required for next Level: 999
    Overall activity: 0%
    Overall activity: 0%

    Default Mobo Power Phase Opinions

    Hey Guys,

    Been racking my brain over new stuff since I recently finished my last cert and decided to look at power phases. The ASRock Extreme6 and Gigabyt GA-Z97-UD5H-BK both use a 12 phase power delivery design. Something like the MSI Z97 Gaming 5 only uses an 8 phase one. Question: Does the higher phase count make for a better everyday use with the overclocking experience, or would I benefit more from some of the gaming features a board might offer in trade of less phases? The reason I ask is higher phases may help with LN2, but not so much in everyday. On the other hand, if VRM temps stay down, that can really effect overall system temps when you start adding in 2 high end GFX cards (I.E. r9 290s) for everyday use.
    Let me know what you think.

  2. #2
    Gu3
    Regular Member

    Status
    Gu3 is offline

    Last Online
    18-04-2019 @ 12:45
    Join Date
    Dec 2014
    Location
    Haymarket VA, USA
    Posts
    987
    CPU: i7-4770K @ 4GHZ
    M/B: MSI Z87 MPOWER ATX LGA1150
    RAM: 32GB (2 X Crucial 16GB Ballistix Elite (2 x 8GB) CAS 9, DDR3 1866 )
    GPU: EVGA GeForce GTX 760 4GB Dual FTW ACX
    • Gu3's Full Spec's
      • Case:
      • Fractal Design Define R4 Blackout
      • PSU:
      • Seasonic XPS2 / 660W / 660 Platinum
      • Cooling:
      • Swiftech ApogeeXL Water Block Alphacool NexXxos ST30 Full Copper Slim Profile Dual 120mm Radiator EK DDC X-RES Top 140 with 3.2 Pump (PWM) Pump/Res Primochill LST 3/8x5/8" Tubing BitsPower Premium Black Matt Compression Fittings Cougar CF-V12HPB Fans Monsoon Silver Bullet
      • Monitor:
      • 3 x Asus VS247H-P 23.6"
      • OS:
      • Linux Mint 18.1
      • Misc:
      • System Name: Dark Matter Build: http://pcpartpicker.com/b/rrccCJ BIOS Overclock to 4GHZ. Memory @ Stock Speed. Purely an amateur, built for HandBrake.
    Thanks
    111
    Thanked 112 Times in 103 Posts
    Points: 8,632, Level: 27
    Points: 8,632, Level: 27
    Level completed: 81%,
    Points required for next Level: 118
    Level completed: 81%, Points required for next Level: 118
    Overall activity: 0%
    Overall activity: 0%

    Default Re: Mobo Power Phase Opinions

    Josh,

    I'd have to find a EE to get a definitive answer, but my reading indicates that basically it _should_ help with stability while overclocking. Essentially, by adding more phases, the MB is splitting current draw accross more VRM's. Each VRM pulls a lower percentage of the current, and runs cooler under load (essentially, they have more headroom, or are operating closer to their optimal range).

    So, whether you are running LN2 or Air, it seems like more phases = better/more stable under load.

    About VRMs & MOSFETs / Motherboard Safety with high-TDP processors - Overclock.net Community has a good article on VRM's, as does Everything You Need to Know About The Motherboard Voltage Regulator Circuit | Hardware Secrets

    I'm sure there is a law of diminishing returns, but I'd guess that would depend a lot on the amount of TDP on the processor (Higher TDP > Phases = Better) and the amount you're overclocking (which yields >TDP in any case).

    Just my .02 though!

    S.

  3. The following user thanks Gu3 For this above post:

    joshjaks (10-06-2015)

  4. #3
    Regular Member

    Status
    joshjaks is offline

    Last Online
    02-07-2020 @ 09:42
    Join Date
    Nov 2012
    Location
    Rangely, CO
    Posts
    1,126
    CPU: AMD / Ryzen / 1700X / 3850 MHz
    M/B: Asrock X370 Taichi
    RAM: 16gb / Geil / EvoX / 16-16-16-36 / 3200 MHz
    GPU: Sapphire / R9 290 Vapor-X / 4gb / x 2 Crossfire
    • joshjaks's Full Spec's
      • Case:
      • Thermaltake Core V71
      • PSU:
      • Rosewill / Lightning / 1000w
      • Cooling:
      • Proc / Swiftech Apogee II Block, Enermax NEOllusion Res Fans / 4x NZXT 200mm Front and Top / 2 x Corsair AF140mm Purple LED Bottom and Back GPU / Stock (Vapor-X)
      • Monitor:
      • Viewsonic 27" LED FreeSync
      • OS:
      • Windows 10
      • Misc:
      • NZXT Grid+ Fan Controller
    Thanks
    248
    Thanked 132 Times in 101 Posts
    Points: 24,551, Level: 48
    Points: 24,551, Level: 48
    Level completed: 1%,
    Points required for next Level: 999
    Level completed: 1%, Points required for next Level: 999
    Overall activity: 0%
    Overall activity: 0%

    Default Re: Mobo Power Phase Opinions

    Quote Originally Posted by Gu3 View Post
    Josh,

    I'd have to find a EE to get a definitive answer, but my reading indicates that basically it _should_ help with stability while overclocking. Essentially, by adding more phases, the MB is splitting current draw accross more VRM's. Each VRM pulls a lower percentage of the current, and runs cooler under load (essentially, they have more headroom, or are operating closer to their optimal range).

    So, whether you are running LN2 or Air, it seems like more phases = better/more stable under load.

    About VRMs & MOSFETs / Motherboard Safety with high-TDP processors - Overclock.net Community has a good article on VRM's, as does Everything You Need to Know About The Motherboard Voltage Regulator Circuit | Hardware Secrets

    I'm sure there is a law of diminishing returns, but I'd guess that would depend a lot on the amount of TDP on the processor (Higher TDP > Phases = Better) and the amount you're overclocking (which yields >TDP in any case).

    Just my .02 though!

    S.
    I think I see a little more why some 8 phase boards are still better that 12 phase ones. I just found out that the phases used in those counts are just for the Vcore. That means any additional power phases aren't counted and cheaper boards could be using less phases for other board components. My Asrock board definitely runs hotter than usual with the 2 290s, but an Asus board could run a bit cooler overall if they use more phases throughout the board, not just on the Vcore, and it could make absolutely no difference. Course, the Asus board would have to work at all first! Thanks for the articles, they were helpful.

  5. #4
    Core Member

    Status
    realneil is offline

    Last Online
    31-12-2019 @ 16:17
    Join Date
    Sep 2011
    Location
    Virginia, USA
    Posts
    8,433
    CPU: i7-2600K and FX-8350
    M/B: Gigabyte on both
    RAM: 32GB DDR4-3200 and 64GB DDR4-3000
    GPU: 980Ti SLI and RX480 Crossfire
    • realneil's Full Spec's
      • Case:
      • Rosewill Blackhawk Ultra & Rosewill Blackhawk
      • PSU:
      • SeaSonic & Rosewill
      • Cooling:
      • Corsair H80 and Corsair H60, Both with dual high flow, low noise fans added.
      • Sound:
      • both onboard
      • Monitor:
      • ASUS 27" & Acer 28" 4K screen
      • OS:
      • Win-7 64Bit on both
      • Misc:
      • Klipsch Speakers, Plextor DVD Burners on all systems. Third System: Z170 Stinger W/i5-6600K, 16GB DDR4-3000, GTX-980 ViewSonic 27" Screen
    Thanks
    1,451
    Thanked 888 Times in 779 Posts
    Points: 99,207, Level: 98
    Points: 99,207, Level: 98
    Level completed: 8%,
    Points required for next Level: 1,843
    Level completed: 8%, Points required for next Level: 1,843
    Overall activity: 0%
    Overall activity: 0%

    Default Re: Mobo Power Phase Opinions

    Every gaming mainboard that you read about is advertising their 'High-Quality Caps' (solid caps), 'Stable Power Control', and phrases like 'Digital VRM'. (they seem to have replaced capacitors with digital equivalents)

    So going by that, in the most unscientific manner, It seems to go towards better mainboard power control for system stability (fewer power spikes), and more longevity while overclocking the system. They all claim that the board will last much longer. They add more of them in anticipation of us OC fools.

    This only carries out properly if you have a high-quality power supply that provides stable and clean power to begin with.

  6. #5
    Core Member

    Status
    Ciarlatano is offline

    Last Online
    08-09-2017 @ 13:12
    Join Date
    Dec 2011
    Location
    NYC Metro Area
    Posts
    816
    CPU: Intel 4790K @ 4.6GHz
    M/B: ASUS Z97 Sabertooth
    RAM: 16GB Patriot Viper Xtreme D4 2133
    GPU: nVidia GTX 780 Reference
    • Ciarlatano's Full Spec's
      • Case:
      • Phanteks Evolv ATX
      • PSU:
      • be quiet! DPP 10 1000W
      • Cooling:
      • EKWB Supremacy EVO, Swiftech Komodo NV-LE, D5 PWM Monsoon MMRS HWL Nemesis 360GTS 3 Phanteks F120MP, 3 Phanteks F140SP
      • Sound:
      • ASUS Essence STX
      • Monitor:
      • ASUS 24"
      • OS:
      • Windows 7 64
    Thanks
    3
    Thanked 122 Times in 105 Posts
    Points: 20,344, Level: 43
    Points: 20,344, Level: 43
    Level completed: 55%,
    Points required for next Level: 406
    Level completed: 55%, Points required for next Level: 406
    Overall activity: 0%
    Overall activity: 0%

    Default Re: Mobo Power Phase Opinions

    VRM is Voltage Regulation Module, and that is exactly what it does. It regulates the voltage to the CPU. A Digital VRM uses a dedicated microprocessor to control its output (this has been the standard for a couple of years), while older designs used hard switching and then analog PWM. Digital VRMs are able to smoothly transition voltages efficiently and provide far cleaner power. However, the odds on you running into a VRM that isn't digital on a midline and up board in this day and age is slim to none. While this does affect the capacity of the caps necessary for proper operation, it does not replace the caps in any way - think of the caps as little inline batteries used for line conditioning to prevent voltage drops and spikes.

    Think of the phases as steps in power delivery. The more steps you have, the smoother the delivery and the better the transient response. However, like all other numbered tech things, there comes a point where more becomes a moot point. Except in extreme OC, most consider 8 phases to be that point - anything above that will not give any gain in normal usage.

    In a conversation with a board designer at ASUS, I posed the question regarding the Sabertooth only having 8 phases. I was then treated to a very lengthy explanation which could be summed up with "because anything over 8 phases coupled with a good digital controller provides absolutely no benefit unless you are breaking out the LN2".

  7. The following users thank 3 For this above post:

    joshjaks (11-06-2015), rrplay (13-06-2015), Solara2xb (11-06-2015)

Remove Ads

Sponsored Links

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Similar Threads

  1. Primochill 240mm CTR Phase II
    By TeeBlack in forum Cooling
    Replies: 9
    Last Post: 04-01-2014, 09:41
  2. mobo power
    By aryan51 in forum General Hardware
    Replies: 9
    Last Post: 11-09-2012, 19:15
  3. Replies: 5
    Last Post: 06-06-2012, 09:45
  4. Phase Change
    By Jon in forum Cooling
    Replies: 1
    Last Post: 17-10-2008, 12:54
  5. Help Needed!- Mobo doesn't seem to have power
    By russell16688 in forum Memory Overclocking
    Replies: 1
    Last Post: 11-10-2007, 15:18

Search tags for this page

There are currently no search tags.
Click on a term to search for related topics.

Tags for this Thread