i7-4771 vs E3-1275 v3

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codrut

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Nov 18, 2013
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I am going to buy an i7-4771 to be used on a DQ87PG board. I need the virtualization features (I think) and not interested a bit in overclocking. But then I had seen the Xeon E3-1275 v3 whuch has some features like TSX-NI, VT-x with Extended Page Tables, Fast/Flex Memory Access
What are these features? Are they important?

Thanks
 
Solution
k1114


None of this is really true. The e3 xeons use the same dies as their i3/i5/i7 equivalents. The i series are not more powerful and can run 24/7. Although the cpus themselves aren't rated for 24/7 but...
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I think the most important thing about the Xeon is many cores (for intel) and it rated to run 24/7. so like servers and things that are constantly running will benefit from that. For gaming, and 3d or editing, you will benefit from an i5 or i7 since it has less cores, but less MORE POWERFUL cores (compared to the Xeon) . games and programs like that prefer less strong cores. servers since they handle a bunch of clients at the same time really benefit from the Xeon..those features you mentioned specifically I have not a clue about.
 
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None of this is really true. The e3 xeons use the same dies as their i3/i5/i7 equivalents. The i series are not more powerful and can run 24/7. Although the cpus themselves aren't rated for 24/7 but rather the whole server including all components, especially in this case since the e3 can use non ecc. Xeons do not have more cores and there is even an i3 equivalent e3 so it has "less cores." There are also versions with higher speeds than some i series so have "more powerful" cores. I don't even know why you grouped 3d and editing with gaming saying they want less cores. Games don't prefer less cores, they just won't use extra threads that they were not programmed for. Having more performance per core is irrelevant of core count. But with more cores, they add more cache which would actually improve performance.

Specifically talking about the cpus he asked about, there is no performance difference besides the 50mhz igpu speed (in favor of the xeon I might add) which is hardly anything and probably not relevant. Both the i7 and e3 support TSX-NI, VT-x with Extended Page Tables, Fast/Flex Memory Access. You can click the names of the features on the intel site and it'll say what it is. I don't know what you are using your pc for so I can't say if the other differences are going to matter.
 
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Solution
If you want an i7 and are not interested in overclocking, the Xeon e3-1230v3 is hands down the best value. Of course you would need a discrete video card. If you want the igpu, the e3-1245v3 is a better value than the e3-1275v3. It's usually a tad cheaper than the regular 4770.
 
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Hi, thanks for the answer. Maybe I have just one last question. Likely I'll take the i7-4771 (E3-1230 v3 being considered), but I know that in the past it was discovered that the thermal paste used by Intel was cheap and people where deliding it and replaced the thermal paste. As i7-4771 is newer, is it possible that maybe this problem was resolved by Intel?

Thanks
 
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The E3-1230 v3 runs at 3.3 GHz and 3.7 in turbo, while i7-4771 runs at 3.5 and in turbo at 3.9 GHz. The i7 is about 50 EUR more, but it comes with a game coupon as part of a promotion. I just want the best processor for the 1150 socket I can buy. I don't overclock.
 
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Just get I7-4770, it's cheaper and both I7-4770 and I7-4771 reach absolutely the same turbo-boost level, which makes I7-4771 kinda pointless, since you end up with same frequency anyway. Buying I7-4771 over I7-4770 is basically throwing a 25$ into a window for absolutely nothing.
 
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