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How many cores are in IB i3/5/7

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February 10, 2013 4:22:55 PM

In the ivy bridge mainstream cpus how many cpu cores are there before intel laser cuts some off, ie do the flawless cream of the crop become i5s and i7s while the worse ones get laser cutted and become pentiums or i3s, or are there like 8 or 10 cores on each die and the good ones become ivy xeons?

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February 10, 2013 5:45:06 PM

Opaz1ka said:
In the ivy bridge mainstream cpus how many cpu cores are there before intel laser cuts some off, ie do the flawless cream of the crop become i5s and i7s while the worse ones get laser cutted and become pentiums or i3s, or are there like 8 or 10 cores on each die and the good ones become ivy xeons?


The i3 chips are manufactured as 2-core chips, and the i5/i7 chips are manufactured as 4-core chips. There are no laser-cut disabled cores in the "Ivy Bridge" Core series.
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February 10, 2013 6:03:28 PM

nothing can tell. i mean only time will tell until theres a maximum of cores that can run on one mobo, theres in theory and whats possible today.

im not a eletronic engineer or cpu manufacturer so couldnt tell u exactly.

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February 10, 2013 6:51:51 PM

i3 = 2 cores
i5 = 4 cores
i7 = 4 cores, more threads
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February 10, 2013 7:26:37 PM

Core i3 = Designed with 2 cores + Hyper Threading
Core i5 = Designed with 4 cores
Core i7 = Designed with 4 cores + Hyper Threading

To the best of my knowledge there are no:

1. "Failed" Core i7 CPUs marketed as Core i5 CPUs with Hyper Threading disabled.
2. "Failed" Core i7 CPUs marketed as Core i5 CPUs with 2 cores disabled and Hyper Threading disabled.
3. "Failed" Core i5 CPUs marketed as Core i3 CPUs with 2 cores disabled. Especially since Core i5 CPUs do not have Hyper Threading to begin with.
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February 10, 2013 8:12:07 PM

im on u with that jag

i3=2cores+ht

some i3s dont have ht.

i5 4cores.

i7. 4physical cores+ 4 ht cores.

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February 10, 2013 9:40:30 PM

Well there are no IB 8 or 10 cores. IB only goes up to 4 cores. SBE goes to 8 cores and do have disabled cores for the 6 core i7/xeon. The SBE 4 core i7/xeon is a different die.
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February 10, 2013 9:51:51 PM

iceclock said:


some i3s dont have ht.




All Core i3 CPUs have Hyper Threading.

I suppose you can say the ones that don't are called Pentium G series. But Pentium G CPUs do not have the Intel HD 2000 or HD 2500 graphic core. They simply have an Intel HD graphic core (or call it the "HD 1000").
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February 10, 2013 9:54:43 PM

i was speaking about the pentium gs for me lower quality i3s.

February 12, 2013 3:05:54 PM

OK, the only reason I asked is because Intel does this with xeons and AMD with FX-.
February 12, 2013 3:10:38 PM

k1114 said:
Well there are no IB 8 or 10 cores. IB only goes up to 4 cores. SBE goes to 8 cores and do have disabled cores for the 6 core i7/xeon. The SBE 4 core i7/xeon is a different die.

Sorry, thought the deca xeon was 22 not 32
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February 12, 2013 4:33:17 PM

interesting. 2 different companies. and technologies

!