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Xeon 2011 v3

post #1 of 4
Thread Starter 
Has anybody considered picking up a Xeon E5 2620 v3 to use with the new X99 chipset? As I see it, here are the major factors:

Cons: locked multiplier, lower frequency, lower standard memory frequency

Pros: Barely over half the TDP (85W vs 140W), 40 PCIe 3.0 lanes for $200 less than the i7 5930k, Xeon's handle loads better, beefier memory controller

The way I see it, it would be like overclocking a processor from before there were unlocked models. Pumping base clock up while tuning memory/uncore and applying a decent thermal solution. I took a look at the ASRock Extreme4 motherboard and it is compatible with the xeons. I don't think it would limit a GTX 980, but would it limit two in SLI if I couldn't push the processor to a certain point? I think there's a good chance I can achieve enough performance for gaming while coming in under the i7 5930's TDP of 140W so that I would even see a savings in my energy bill.

I welcome thoughts, or encouragement if there's community interest in the concept.
Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
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Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
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post #2 of 4
Quote:
Originally Posted by Some Random Guy View Post

Has anybody considered picking up a Xeon E5 2620 v3 to use with the new X99 chipset? As I see it, here are the major factors:

Cons: locked multiplier, lower frequency, lower standard memory frequency

Pros: Barely over half the TDP (85W vs 140W), 40 PCIe 3.0 lanes for $200 less than the i7 5930k, Xeon's handle loads better, beefier memory controller

The way I see it, it would be like overclocking a processor from before there were unlocked models. Pumping base clock up while tuning memory/uncore and applying a decent thermal solution. I took a look at the ASRock Extreme4 motherboard and it is compatible with the xeons. I don't think it would limit a GTX 980, but would it limit two in SLI if I couldn't push the processor to a certain point? I think there's a good chance I can achieve enough performance for gaming while coming in under the i7 5930's TDP of 140W so that I would even see a savings in my energy bill.

I welcome thoughts, or encouragement if there's community interest in the concept.

I am kind of a xeon fan myself. If your rig sig is correct have you considered looking into an x5650/5660/56xx model xeon for x58? Research if yours works with them? You should be able to overclock to around 4ghz or more. The x5650 can be had for around 70$ off ebay, i got one and love it.

In regards to the x99+xeon the stock clocks will limit you in gaming somewhat, however depending on your resolution you can lean on the GPU/'S more in gaming. However that said i am thinking you might want to consider the 5820k instead and overclock it some. The PCIE lanes aren't going to matter much even with 2 way SLI/CF

that's my 2 cents, smile.gif
post #3 of 4
Thread Starter 
Quote:
Originally Posted by DividebyZERO View Post

I am kind of a xeon fan myself. If your rig sig is correct have you considered looking into an x5650/5660/56xx model xeon for x58? Research if yours works with them? You should be able to overclock to around 4ghz or more. The x5650 can be had for around 70$ off ebay, i got one and love it.

In regards to the x99+xeon the stock clocks will limit you in gaming somewhat, however depending on your resolution you can lean on the GPU/'S more in gaming. However that said i am thinking you might want to consider the 5820k instead and overclock it some. The PCIE lanes aren't going to matter much even with 2 way SLI/CF

that's my 2 cents, smile.gif

I was planning on O/C'ing it so it wouldn't limit my gaming. Even at stock, it will be a step up from my 920 that was doing just fine. The RIG in my signature got killed by the corsair leaking all over it, which is why I'm looking to modernize now. What's really attractive to me is the lower TDP. My last machine made a clear impact on my power bill when I had a lot of time at home. This Xeon plus a Maxwell card should thrash my old Rig in everything at my current 1080p easily, while consuming considerably less power with a well paired PSU. When I get a second card and a 4k monitor, that's the only time I'm worried about the processor limiting the cards. If I haven't squeezed enough of an overclock out of it, I'd have to upgrade. The second thing I really like is the attractive price point for 40 PCIe lanes. Right now, 28 wouldn't be a problem for my plans within the next year or two. However, I don't know what's going to be utilizing the PCIe lanes in the next few years. I hope to get 6 years out of this system, so I feel I'm hedging my bet in a good direction by going with the 40 lanes while saving some cash. Has anybody seen any good articles demonstrating at what speeds different CPU's start to bottleneck an SLI system? I seem to recall reading a breakdown at some point, but can't find it now.
Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
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Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
  hide details  
Reply
post #4 of 4
Thread Starter 
I did some research into base clock overclocking, and I didn't realize it had largely been done away with. I'm gathering you can adjust the base clock to 100, 125, and 167 (possibly more?) and then tweak a few megahertz within that base clock. Does anyone know if these base clock adjustments are based on the motherboard/chipset or are they based on the processor? I'm leaning quite heavily towards grabbing a xeon in place of an i7 due to lower TDP, but not at the expense of being able to overclock. If the xeons are locked down, I'd go back to an i7.
Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
  hide details  
Reply
Main Rig
(8 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820k ASRock X99 Extreme 4 ASUS ROG STRIX OC GTX 1080 ti G. Skill Ripjaws 4 
Hard DriveCoolingPowerCase
Crucial MX100 512 Custom Loop XFX Pro 1000W Limited Black Edition Modular Thermaltake Core X9 stacked 
CPUGraphicsRAM
i7 4710HQ NVIDIA GTX 860m 2x 4GB 
  hide details  
Reply
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