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VRM on the new AM4 motherboards - Page 272

post #2711 of 2898
Quote:
Originally Posted by monitorhero View Post

Yeah I can wait til tomorrow. let me know then, thanks in advance

Can somebody tell me the difference in VRMs between X370-Pro and Strix 370-F

What is better CSD 87350 or IR3555?
The IR powerstages are by no means better.
They have more features (vs NexFETs) and are stronger.
They will run at similiar values, i did a lil comparison with the included graphs from the datasheets.
Both of them are approx. at 2W/stage, so both 12W in total.
post #2712 of 2898
Quote:
Originally Posted by VRMfreak View Post

The IR powerstages are by no means better.
They have more features (vs NexFETs) and are stronger.
They will run at similiar values, i did a lil comparison with the included graphs from the datasheets.
Both of them are approx. at 2W/stage, so both 12W in total.

I think this goes beyond what I can comprehend biggrin.gif. But I can tell that the difference is minimal.
I guess I'll give the Prime X370-Pro a chance since my budget doesn't do for a Taichi.
Edited by monitorhero - 9/25/17 at 11:17am
post #2713 of 2898
Quote:
Originally Posted by monitorhero View Post

I think this goes beyond what I can comprehend biggrin.gif. But I can tell that the difference is minimal.
I guess I'll give the Prime X370-Pro a chance since my budget doesn't do for a Taichi.

Yep, the most important thing to know is that in practical application neither set of components will hold you back from 3.9GHz.
     
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AMD Ryzen 7 1700X @ 4.0 GHz 1.37v o/s  Biostar X370 GT7 Sapphire Radeon RX Vega 64 8GB HBM2 G.SKILL TridentZ RGB Series 16GB (2 x 8GB) @ 32... 
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CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700X @ 4.0 GHz 1.37v o/s  Biostar X370 GT7 Sapphire Radeon RX Vega 64 8GB HBM2 G.SKILL TridentZ RGB Series 16GB (2 x 8GB) @ 32... 
Hard DriveHard DriveHard DriveHard Drive
Biostar M200-240 240GB m.2 SATA SSD (Win) Samsung 850 Pro 256GB SSD (Linux) SanDisk Ultra II 480GB SSD (Games) Seagate 2TB SSHD (Storage) 
Optical DriveCoolingCoolingCooling
LG DVD RW Swiftech H220-X2 Swiftech Komodo RX-ECO Vega Water Block XSPC EX240 Rad 
CoolingOSOSMonitor
Gentle Typhoon 120mm x4 Ubuntu 17.10 w/ custom kernel Windows 10 Pro Pixio PX277 27" 1440p 144Hz DP-Adaptive Sync w... 
KeyboardPowerCaseMouse
JAR-OWL J1 Rainbow LED Mechanical SeaSonic X-Series 1050w Gold+ Corsair 760T Zowie FK1 
Mouse PadAudioAudioAudio
Razer Firefly Plantronics Rig 500e Gaming Headset Marantz Pro MPH-1 Monitoring Headphones S.M.S.L SD-793II Audio DAC + Headphone Amplifier 
Other
Xbox One Controller 
CPUMotherboardGraphicsRAM
Intel Core i7-4790k @ 4.6GHz Asrock Z97 Extreme6 EVGA GTX 1070 SC Corsair Vengeance 16GB (2x8GB) @ 2133 10-10-10-... 
Hard DriveHard DriveOptical DriveCooling
Intel 530 Series 480GB SSD Seagate 2TB SSHD LG DVD RW Cooler Master Hyper 212 Plus 
OSMonitorKeyboardPower
Windows 10 40" Vizio HDTV HP Generic EVGA SuperNOVA NEX 650w 
CaseMouseAudio
Corsair Carbide 300R Logitech Generic HyperX Cloud 
CPUMotherboardGraphicsRAM
AMD FX-6300 @ 4.3GHz 1.35v Biostar TA970 v5.3 MSI HD 6950 2GB G.Skill Ripjaws Z 16GB (4x4GB) 1600 
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Cryorig H5 Ultimate Corsair AF120 (White LED) x3 Corsair AF140 (White LED) x2 Windows 10 Pro 
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post #2714 of 2898
Keep in mind that those temps I recorded were with IBT AVX which is about as heavy of a load as you can possibly have. I did the same test in Prime 95 w/ 12k FFT size and I was seeing "only" 100°C on the chokes. Also keep in mind those were choke temps not VRM temps. Although I only had VCore set to 1.32, I was using LLC 4 and you can see the VRM was putting out over 1.46V (VDDCR CPU) @ ~120 amps. My ambient was around 27 or 28°C for those tests.

Since I wasn't able to measure the VRMs from the back of the board I'm not really sure how hot they are getting. Some ppl have reported that temps 3 - 6 in HWiNFO matches their VRM temp, but I've also seen @chew*'s video showing that those sensors match up better with PCH temp rather than VRM. He also reports that the same RAM kit and chip will clock the RAM higher when they are used in a different board. Personally I can't seem to get 3066 stable with dual rank E-die...although it is close and I might be able to get there with more tweaking.


Edited by bardacuda - 9/25/17 at 11:32am
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post #2715 of 2898
Quote:
Originally Posted by bardacuda View Post

Keep in mind that those temps I recorded were with IBT AVX which is about as heavy of a load as you can possibly have. I did the same test in Prime 95 w/ 12k FFT size and I was seeing "only" 100°C on the chokes. Also keep in mind those were choke temps not VRM temps. Although I only had VCore set to 1.32, I was using LLC 4 and you can see the VRM was putting out over 1.46V (VDDCR CPU) @ ~120 amps. My ambient was around 27 or 28°C for those tests.

Since I wasn't able to measure the VRMs from the back of the board I'm not really sure how hot they are getting. Some ppl have reported that temps 3 - 6 in HWiNFO matches their VRM temp, but I've also seen @chew*'s video showing that those sensors match up better with PCH temp rather than VRM. He also reports that the same RAM kit and chip will clock the RAM higher when they are used in a different board. Personally I can't seem to get 3066 stable with dual rank E-die...although it is close and I might be able to get there with more tweaking.

Holy moly, so many VRM settings.
And i thought that the 5 i have on B350-F Strix is premium
@chew* I did not expect the B350-F to turn out so bad frown.gif
Could you recommend a decent thermal pads to upgrade?
Or should i sell the Strix and get X370-F Strix or Prime or something ?
I am quite sad frown.gif
I could get used Prime X370 Pro for really cheapo :/
post #2716 of 2898
I have to admit I am a noob when it comes to overclocking and it seems really tricky on Ryzen.
Also the more reviews on the X370-Pro I read the less I want to buy it...so much negative reviews and bricked boards that it doesn't seem like a coincidence. On the strix it seems a little better but there are less reviews of it. So it's hard to tell. Maybe I go for the Taichi and save me some trouble even though its out of my budget. I can't deal with another bricked board and the hassle that comes along with it.

Or can I expect the same problems with the Taichi?
post #2717 of 2898
I think I would have rather had the Taichi myself. It's too bad that all the boards are pricey for what you get. If you could get the Taichi at the price of the Prime Pro and/or if the Prime Pro was cheaper it would be an easier choice. I think the Prime Pro is probably the best in its price range though.
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post #2718 of 2898
Yeah that would help a lot. But if I can spare me some frustration I'd go for the Taichi. What do the others think?
post #2719 of 2898
Quote:
Originally Posted by monitorhero View Post

Yeah that would help a lot. But if I can spare me some frustration I'd go for the Taichi. What do the others think?
Taichi is great
post #2720 of 2898
Can somebody tell me about Asrock support? And ram support on their boards?
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