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Motherboard importance when overclocking

post #1 of 32
Thread Starter 
I am just kind of curious, how important is the motherboard when overclocking (I think I know the answer, but you know what happens when you assume...)

Basically I wonder if you take x cpu and put it in one mb and you can get to x speed at x voltage, could you put the same cpu in a different mb and get higher speeds off of less or the same voltage? Or is speed speed, regardless of the motherboard? If there is a thread discussing this feel free to point me that way. I did a little looking around but couldn't find exactly what I was looking for.

Thanks

D
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post #2 of 32
Oh, the motherboard is extremely important. I don't know AMD systems so I have to generalize here, but the quality of the motherboard and the components on the motherboard (for example: the capacitors) make a big difference. Another difference can be whether or not the board has an 8-pin EPS12V connector for the CPU's power. Some boards only have a 4-pin connector which ends up being a limiting factor for quad cores (or hexacores).

Then, of course, there are the BIOS options.

Although, why do you ask?
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post #3 of 32
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Oh, the motherboard is extremely important. I don't know AMD systems so I have to generalize here, but the quality of the motherboard and the components on the motherboard (for example: the capacitors) make a big difference. Another difference can be whether or not the board has an 8-pin EPS12V connector for the CPU's power. Some boards only have a 4-pin connector which ends up being a limiting factor for quad cores (or hexacores).

Then, of course, there are the BIOS options.

Although, why do you ask?
Well just curious. I have got my cpu to 4.3ghz at 1.57v which is obviously too high for my cpu. But I run a t 4.2 at 1.46v all day long. So .09 volts for 100mhz. I just wondered would a different motherboard allow for a higher overclock with less or same volts? Not necessarily looking to upgrade right now, but I might later so that I can run SLI. But my mobo has a 8 pin power connector. And VRM heatsinks.

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post #4 of 32
I think it's possible, but I don't know for sure.

A lame (old) example is that I got significantly better and easier overclocking when I upgraded from the EVGA 680i SLI (top-of-the-line 680i board too) to the GA-EP45-UD3P. I had the exact same E8400 and everything else was the same too, but yet the difference was amazing. Although, that's the EP45-UD3P: it blows away all other socket 775 motherboards for overclocking.

So, I don't know how the M4A88TD-V EVO is, but I have a feeling you'll find out soon now that you have this thread.
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post #5 of 32
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I think it's possible, but I don't know for sure.

A lame (old) example is that I got significantly better and easier overclocking when I upgraded from the EVGA 680i SLI (top-of-the-line 680i board too) to the GA-EP45-UD3P. I had the exact same E8400 and everything else was the same too, but yet the difference was amazing. Although, that's the EP45-UD3P: it blows away all other socket 775 motherboards for overclocking.

So, I don't know how the M4A88TD-V EVO is, but I have a feeling you'll find out soon now that you have this thread.
True, hopefully some of the AMD gurus will pop in here and let me know...here in about 2 weeks, I will have enough money to buy a new video card and upgrade my mobo (if I decide to), and even water cool my rig (even though it isn't needed and I would basically only be doing it for the cool factor, if I so decide to.)

Or I may just throw a 580 in and be done.

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post #6 of 32
Is there any chance I can convince you to replace that "TR2" power supply?

http://www.overclock.net/power-suppl...take-psus.html

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post #7 of 32
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Is there any chance I can convince you to replace that "TR2" power supply?

http://www.overclock.net/power-suppl...take-psus.html

Well as it may so happen I have a Silverstone 750w http://www.silverstonetek.com/produc...d=286&area=usa psu sitting on my desk as we speak, I just haven't installed it. I plan on moving the TR2 to my gf's very plain budget pc. Its running perfectly fine on a 380w 20$ psu now, so even a crappy TR2 is an upgrade.

Matter of fact I may just install is tomorrow while I have nothing to do.

D
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post #8 of 32
Well, I think it really depends.

On LGA 1155, I think it's relatively unimportant since everything is tied to the CPU rather than the motherboard. Consequently, the CPU determines how high of an overclock can be achieved, and the overclocking headroom of a motherboard sits as a minor roll in the potential overclock. Keep in mind that just about every board has potential overclocking headroom when it comes to this socket because of this though.

On LGA 1366, I would say the motherboard is significantly more important in comparison because while unlocked multipliers do exist, it isn't to the extent of LGA 1155 CPUs. Instead, a lot of the overclocking headroom comes down to what extent the BCLK will go up to, and this is heavily dependent on the quality of the motherboard rather than the CPU (at least from my understanding).

I would wager that AM3 is similar to 1366 in terms of how a CPU is overclocked, but I can't say for sure as the only AMD board in my house is in my brother's computer, and I don't bother toying around with it.
Edited by jivenjune - 8/2/11 at 1:01am
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post #9 of 32
Thread Starter 
Quote:
Originally Posted by jivenjune View Post
Well, I think it really depends.

On LGA 1155, I think it's relatively unimportant since everything is tied to the CPU rather than the motherboard. Consequently, the CPU determines how high of an overclock can be achieved, and the overclocking headroom of a motherboard sits as a minor roll in the potential overclock. Keep in mind that just about every board has potential overclocking headroom when it comes to this socket because of this though.

On LGA 1366, I would say the motherboard is significantly more important in comparison because while unlocked multipliers do exist, it isn't to the extent of LGA 1155 CPUs. Instead, a lot of the overclocking headroom comes down to what extent the BCLK will go up to, and this is heavily dependent on the quality of the motherboard rather than the CPU (at least from my understanding).

I would wager that AM3 is similar to 1366 in terms of how a CPU is overclocked, but I can't say for sure as the only AMD board in my house is in my brother's computer, and I don't bother toying around with it.

Hmmm ok. I guess until someone answers with for sure experience or I get a better board I will not know.

Thanks for your input.

D
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post #10 of 32
Quote:
Originally Posted by Ihasfip View Post
Well as it may so happen I have a Silverstone 750w http://www.silverstonetek.com/produc...d=286&area=usa psu sitting on my desk as we speak, I just haven't installed it. I plan on moving the TR2 to my gf's very plain budget pc. Its running perfectly fine on a 380w 20$ psu now, so even a crappy TR2 is an upgrade.

Matter of fact I may just install is tomorrow while I have nothing to do.

D
Oh nice. That's certainly an upgrade from the TR2!!


Quote:
Originally Posted by jivenjune View Post
Well, I think it really depends.

On LGA 1155, I think it's relatively unimportant since everything is tied to the CPU rather than the motherboard. Consequently, the CPU determines how high of an overclock can be achieved, and the overclocking headroom of a motherboard sits as a minor roll in the potential overclock. Keep in mind that just about every board has potential overclocking headroom when it comes to this socket because of this though.

On LGA 1366, I would say the motherboard is significantly more important in comparison because while unlocked multipliers do exist, it isn't to the extent of LGA 1155 CPUs. Instead, a lot of the overclocking headroom comes down to what extent the BCLK will go up to, and this is heavily dependent on the quality of the motherboard rather than the CPU (at least from my understanding).

I would wager that AM3 is similar to 1366 in terms of how a CPU is overclocked, but I can't say for sure as the only AMD board in my house is in my brother's computer, and I don't bother toying around with it.
@Ihasfip:

I should have said something, but what jivenjune said here is exactly why I said everything that I have said. However, I have a feeling that Bulldozer could be similar to Sandy Bridge (current socket 1155) in that the overclocking experience depends mostly on the physical CPU you end up with. Until Sandy Bridge came out, the motherboard was always the main determining factor. So it feels like things are changing a little bit, almost as though CPUs and motherboards (especially motherboards, actually) are being developed for overclockers.

So of course with Bulldozer, time will tell. For now, I'll just say that the motherboard is still the main determining factor for every single AMD system (the PSU goes without saying). This isn't to say that the CPU has nothing to do with it, but it's that the motherboard plays a bigger role.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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