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Haswell Xeon Range -- Questions

post #1 of 14
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Intel silently released the new Xeon E3-1200v3 chips with Haswell the other day and I am still pretty unclear about certain things.

According to ark.intel.com, processor graphics (on equipped models) is "Yes." Has anyone found evidence of the specifications of the onboard video? I read somewhere before release that it would be GT2 like the mainstream chips. This is important to me (and maybe to others) who would use the profesional graphics for CAD and throw in a gaming card for folding and gaming.

Another question I have is regarding the BCLK. I have heard a lot of things about the "unlocked chips being able to have some mild overclocking" due to this, but I cannot find any reviews of the mainstream chips where it has been changed. Furthermore, a passage from ASrock's Z87E-ITX manual states, "Increasing the BCLK will increase the internal CPU clock speed but also affect the clock speed of other components." I was under the impression that this would no longer effect the other components based on a press release (or something).

Any more questions or answers are welcome. I would like to clear things up and if it means buying a xeon chip and trying stuff, I might be game smile.gif

Chime in people
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post #2 of 14
I can't comment on the graphics, but the change with Haswell is that the bclock no longer affects the PCIE and SATA buses, only the RAM speed. They gimped it like that with Sandy Bridge so people would have to buy K-series chips to attain significant overclocks. That only applies to unlocked chips with Haswell though, you won't be able to OC using bclk with this Xeon.
post #3 of 14
Bclk overclocking is only enabled on K processors
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post #4 of 14
Quote:
Originally Posted by dizzy4 View Post

According to ark.intel.com, processor graphics (on equipped models) is "Yes." Has anyone found evidence of the specifications of the onboard video? I read somewhere before release that it would be GT2 like the mainstream chips. This is important to me (and maybe to others) who would use the profesional graphics for CAD and throw in a gaming card for folding and gaming.

While I don't have 100% incontrovertible proof, I'm 95% sure that the E3-1245v3 will have HD P4600 graphics.

I looked at the Intel ARK entries for the E3-1245v3 and the i7-4770 (the 1245v3's closest Core-named relative), and the iGPU speeds are identical. Combine that with the fact that all the Ivy Bridge E3-12x5v2 chips had integrated graphics identical to their i7 counterparts (i.e. HD P4000), and that leads me to the logical conclusion that the Haswell E3 Xeons will have HD 4600 graphics.

Obviously if you want 100% certainty you'll have to wait until Intel puts out their Xeon E3 v3 product brief on their site, but that might take a couple days.
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post #5 of 14
EDIT:

OK found a public source: http://www.cpu-world.com/news_2013/2013032701_Details_of_Xeon_E3-1200_v3_Haswell_processors.html

12X5 means GT2
12X0 means no graphics
12X5L means GT1.
Edited by dr/owned - 6/3/13 at 5:37pm
post #6 of 14
Thread Starter 
Quote:
Originally Posted by Stay Puft View Post

Bclk overclocking is only enabled on K processors

no. It's even enabled on old non-k chips, but not really possible.

Here is something I found on Toms' review: http://www.tomshardware.com/reviews/core-i7-4770k-haswell-review,3521-10.html

It looks like the dividers that keep things in check on the K versions are not enabled on the non-k. Even if they say it doesn't effect it, it may still.

Oh and the cpuworld chart is old (March 27)
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post #7 of 14
In terms of the graphics GT2/1/0 I can tell you it's accurate.
post #8 of 14
Thread Starter 
Quote:
Originally Posted by dr/owned View Post

In terms of the graphics GT2/1/0 I can tell you it's accurate.

Sweet! I may have to get myself that E3-1245 v3 now. I'm sure that even without an overclock that it would be a decent upgrade from my i7-2600. Still, a 3930k is faster when it can use it's extra cores and with the addition of a cheap firepro card better for CAD.

That's just my take, but I am sure that these chips would make an excellent slim mini-itx build
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post #9 of 14
Isn't the only advantage ECC memory on them? My Mini-ITX I'm just running a 3220T.
post #10 of 14
It's also pretty cheap compared to i7. i5 to i7 has that $100 jump in price, but those Xeons have a much more gradual increase for their price. The 1230 is already with HyperThreading, so comparable to i7. The top Xeon is of course very pricey, but that 1230 could make sense to choose over an i5. I didn't look up the price for 1235 etc., so I apologize if the Xeons with integrated graphics are still pricey.
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