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[ WCCF Tech ] Intel Haswell Core i3 and Core i7-4771 Processors To Launch on 1st September - Page 5

post #41 of 46
Quote:
Originally Posted by sdlvx View Post

I don't know what 4771 is nor can I speculate, it looks to have the same specs as 4770, even same iGPU clocks. Perhaps it's a bug-fix release or something.

I believe that the 4771 is supposed to put to put the non-K i7 at parity in stock clocks with the 4770K. Currently, there is a 100MHz difference in non-Turbo speeds between the 4770 and 4770K as seen below:

i7-4770: 3.4 / 3.9 Turbo
i7-4770K: 3.5 / 3.9 Turbo

The i5 line doesn't have the same problem (as seen below), so it wouldn't need a i5-4671 model to begin with.

i5-4670: 3.4 / 3.8 Turbo
i5-4670K: 3.4 / 3.8 Turbo
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post #42 of 46
Quote:
Originally Posted by ladcrooks View Post

I never knew that - something I have learned today. So big first person shooters are more and likey use them threads and even more so in the future?

Ok I can't tell if you are being sarcastic or not. But on the off chance you aren't the engines that run big FPS games like crysis 3 and BF4 (cryengine 3 and Frostbite 3 respectively) are fairly new engines that are coded to take advantage of up to 8 CPU threads weather it be an 8 core AMD piledriver or an i7's 4 cores and 4 virtual hyper threaded cores. RTS games for some reason use older engines made back when dual core CPU's were the norm so the engines were coded to use at most 2 cores. If someone made an RTS like the new total war with the Frostbite engine it would use 8 cores. Hey I just think I had an idea...rolleyes.gif
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post #43 of 46
I was not being sarcastic . And yes that's interesting. thanks thumb.gif
post #44 of 46
Quote:
Originally Posted by Deadboy90 View Post

Ok I can't tell if you are being sarcastic or not. But on the off chance you aren't the engines that run big FPS games like crysis 3 and BF4 (cryengine 3 and Frostbite 3 respectively) are fairly new engines that are coded to take advantage of up to 8 CPU threads weather it be an 8 core AMD piledriver or an i7's 4 cores and 4 virtual hyper threaded cores. RTS games for some reason use older engines made back when dual core CPU's were the norm so the engines were coded to use at most 2 cores. If someone made an RTS like the new total war with the Frostbite engine it would use 8 cores. Hey I just think I had an idea...rolleyes.gif

Games are getting better at utilizing multiple cores, but I've yet to see a cpu core-scaling review on a game that didn't show at least 75% of the performance came from the 1st 2 cores, 90% from the first 3 cores, and at least 95% from 4 cores.

And many games, even the newest ones, are higher %'s than that.

I believe that as long as you have at least 2 cores, there will likely never be a time when IPC isn't overall more important than core count when gaming. The nature of games is such that you can only do so much parallel processing. There has to be one 'main' game thread that's handling 'sequential' operations, and the performance on that one thread is always going to be the primary 'limiting factor' to performance ... at least insofar as you are being CPU-limited in the game.

IOW, you can only 'make up for' so much by throwing cores at a game. It's not like a video editing operation, where all the 'work' can be analyzed in advance, and farmed out to separate cores, in a situation where 'timing of completion of each task' isn't relevant. The nature of 'what happens' is a game is too unpredictable, and too reliant on proper timing, to ever fully 'scale out' to fully equally use like 8 cores. IPC will always be of paramount importance, IMHO.

This is especially true in strategy-type games ... it's not so much the engine as it is the simple nature of the workload. In these games, you have 100's or even 1000's of units for which processing must take place, and everything has to happen in the exact proper order.

BTW, I cleaned the thread of all the OT nonsense. Let's stick to the topic at hand going forward please thumb.gif
Edited by brettjv - 6/25/13 at 11:43am
    
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post #45 of 46
Quote:
Originally Posted by svenge View Post

Quote:
Originally Posted by sdlvx View Post

I don't know what 4771 is nor can I speculate, it looks to have the same specs as 4770, even same iGPU clocks. Perhaps it's a bug-fix release or something.

I believe that the 4771 is supposed to put to put the non-K i7 at parity in stock clocks with the 4770K. Currently, there is a 100MHz difference in non-Turbo speeds between the 4770 and 4770K as seen below:

i7-4770: 3.4 / 3.9 Turbo
i7-4770K: 3.5 / 3.9 Turbo

The i5 line doesn't have the same problem (as seen below), so it wouldn't need a i5-4671 model to begin with.

i5-4670: 3.4 / 3.8 Turbo
i5-4670K: 3.4 / 3.8 Turbo

Ah, that makes a lot of sense. I expected 4770 and 4770k to share the same default clock speeds since they have the same model numbers, only a single letter which implies it is unlocked is different. These model numbers are a mess, it's like the unlocked Intel quad without HT just keeps getting random number changes each generation: 2500k -> 3570k -> 4670k. What a mess.
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post #46 of 46
Quote:
Originally Posted by ladcrooks View Post

I was not being sarcastic . And yes that's interesting. thanks thumb.gif

Ah ok, sorry for seeming cynical but earnestness is rare on the internet LOL!tongue.gif
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