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Intel Xeon E5 CPU Overclock?

T

TechJeff

Limp Gawd
Joined
Mar 25, 2009
Messages
185
I have read where the new Intel Xeon E5 processors can't be overclocked and are hard coded that way on purpose. The prior version did not have this issue and worked great with an eVGA SR-2 Classified MoBo for overclocking with water cooling.

My question is, I saw eVGA has a model for the new Xeon E5 processors, the SR-X, and wanted to know what advantage if any this has over say the Asus MoBo that is duel E5 capable as well. If they are hard coded to not overclock, I don't see how a MoBo like the SR-X could do that.

Thanks for any info.
 
TechJeff said:
I have read where the new Intel Xeon E5 processors can't be overclocked and are hard coded that way on purpose. The prior version did not have this issue and worked great with an eVGA SR-2 Classified MoBo for overclocking with water cooling.

My question is, I saw eVGA has a model for the new Xeon E5 processors, the SR-X, and wanted to know what advantage if any this has over say the Asus MoBo that is duel E5 capable as well. If they are hard coded to not overclock, I don't see how a MoBo like the SR-X could do that.

Thanks for any info.
Click to expand...

Nearly all of the prior generation Xeons are also locked at multiplier level, for that matter. They can only be overclocked via the BCLK or FSB. Same thing with the Xeon E5.
 
TechJeff said:
I have read where the new Intel Xeon E5 processors can't be overclocked and are hard coded that way on purpose. The prior version did not have this issue and worked great with an eVGA SR-2 Classified MoBo for overclocking with water cooling.

My question is, I saw eVGA has a model for the new Xeon E5 processors, the SR-X, and wanted to know what advantage if any this has over say the Asus MoBo that is duel E5 capable as well. If they are hard coded to not overclock, I don't see how a MoBo like the SR-X could do that.

Thanks for any info.
Click to expand...


From the reviews, if you need a dual xeon board the Asus is the way to go. EVGA apparently realized it wasn't going to be the "second SR2" because of the lack of overclocking and gave up on the board halfway through development.
 
The gains on my Z9PE-D8 WS board has been abysmal, but having said that, the overall performance of the system is just immense. I use the system for F@H. This system actually brought me to the realization that I needed to retire my SR-2 setup.

As for the actual overclock achieved, not even 3%. :(
 
Wyluliraven said:
The gains on my Z9PE-D8 WS board has been abysmal, but having said that, the overall performance of the system is just immense. I use the system for F@H. This system actually brought me to the realization that I needed to retire my SR-2 setup.

As for the actual overclock achieved, not even 3%. :(
Click to expand...

Yeah, BCLK only will do that on a SB based rig. How much PPD are you getting out of it? I had seen some people getting around 115k when it first came out.
 
Wyluliraven said:
They are ES chips. They are running at 3.0-3.1ghz with turbo on though.
Click to expand...

I've been interested in building a dedicated folding rig so I was eyeballing some of the ES chips on fleabay. I don't know if I'll spare the money to do it, but this board seems like the best of both worlds as it can do other things as well where the straight server boards really can't.
 
Exactly why I went with the Asus D8, versus their D16 offering, or waiting for that atrocious EVGA SR-X.

If and when I get my hands on another GTX 690, I am going to migrate to the D8 system for gaming, and when not in use, Fold.
 
Wyluliraven said:
Exactly why I went with the Asus D8, versus their D16 offering, or waiting for that atrocious EVGA SR-X.

If and when I get my hands on another GTX 690, I am going to migrate to the D8 system for gaming, and when not in use, Fold.
Click to expand...

My thoughts exactly, I only game on the weekend a little bit any more, no more than 4 hours or so over the whole weekend. It can fold away happily while I browse the internet during the week though. Do you have any idea the power usage while folding?
 
According to my killawatt, 360w consistently. Only during boot does it spike to 420w. These are total system numbers.

~$15 a month so far, however entering summer it may double. I am ok with that.
 
Wyluliraven said:
According to my killawatt, 360w consistently. Only during boot does it spike to 420w. These are total system numbers.

~$15 a month so far, however entering summer it may double. I am ok with that.
Click to expand...

Wow, thats a lot better than I was thinking. Those Xeons are binned for best power use though, so I guess it makes sense. I may have to go ahead with this later on in the summer.
 
Useful to know the power consumption, eying up the asus board myself for use as a daily driver/folder and allow me to retire my daily use dual L5640 setup
 
I am building a workstation for 3D rendering and some video production. Most of the cores will be at or near 100% under heavy load for this.

My question is,something like the Corsair H100 good to use on each CPU? I really don't want to mess with anything but closed loop type cooling and want a kit for less hassle. Those processors can get pretty hot when working that hard and that is why I want to protect them the best I can.
 
TechJeff, let me allay your feelings that you'd need to go the pre-rolled water cooling route. I have my setup doing F@H 24/7, with never any issues with heat or noise with Cooler Master 212+ EVO coolers. What I spent for $40 (with a small discount) is absolutely comparable to what you'd spend $200 in comparable cooling. The main reason is this, the platform CAN OC, however the chips can not. So why invest in a cooling solution for overclocking when it is not possible.

Having said all that, the Corsair H100 or the Antec Kuhler 920 are amazing for what they do, and would install easily. Just.... why spend the extra cash for the same end result?

My system is also in the deep south (Atlanta) in a barely air conditioned room, so when I say I have had zero issues with heat, I mean it. Feel free to reach out to me via PM if you want more statistics.

Nathan_P, yeah, I JUST got rid of my SR2 and chips. Best decision I've made in a while.
 
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