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[Tom's Hardware] Core i7-4770K: Haswell's Performance, Previewed - Page 48

post #471 of 571
Quote:
Originally Posted by amstech View Post

As you can see, the 3470K loses to a 3930k with the same clock speed, the 3770k loses to a 3960X with even while having a faster clockspeed. Yes architecture and threading make a difference etc etc, but my next gaming CPU will be 6 real cores atleast, maybe a HT 4 as the extra power is needed to push multi-GPU's as well.

I dunno, just my take.

http://www.overclock.net/content/type/61/id/1363545/

Techspot.com

I remember around two years ago there was a lot of banter about which CPU to get. The 2600k Sandy Bridgecame VERY close the the hex-core Gulftown CPUs in multithreaded apps(though it was generally slower) and beat it in single threaded. The 2500k came pretty close too.

Here's a relatively quick search I got off of google. The pictures look pretty though I didn't thoroughly go over things.
http://cpuboss.com/cpus/Intel-Core-i7-970-vs-Intel-Core-i7-3770K


I will say that when you have LIMITED information that the way to go about things isn't to compare as you had. You want to do apples to apples comparisons when you can. Compare the i7 930 to the i7 970 and figure out the percentage difference in how things change from increasing the core count. Compare the quad core Xeon E5-16xx chips to the 3930. From there use that scaling factor as your reference mark from which to base your comparisons.
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post #472 of 571
Quote:
Originally Posted by amstech View Post

HT has benefited gaming and system performance for years but now games/apps are grabbing threads however they can get them, the 6 core CPU's put good distance on the 4 core/4 thread CPU's in many games, not as much on the 4 core/8 thread CPUs.

Besides those games that lose performance or crash with it on. =P
Edited by OwnedINC - 3/21/13 at 2:40pm
post #473 of 571
I tell ya, I would love to see the 920 @ 3.5Ghz or so, to see how it faires against the 3770k at the same clock speed.
Quote:
Originally Posted by OwnedINC View Post

Besides those games that lose performance or crash with it on. =P
I've never had it hinder or cause any type of problem in any game I have ever played.
i7's rule the gaming charts, they are king.
-
Edited by amstech - 3/21/13 at 2:42pm
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post #474 of 571
Quote:
Originally Posted by amstech View Post

I tell ya, I would love to see the 920 @ 3.5Ghz or so, to see how it faires against the 3770k at the same clock speed.
I've never had it hinder or cause any type of problem in any game I have ever played.
i7's rule the gaming charts, they are king.
-
There are times where a 2500k outperforms a 2600k despite it having lower clocks, less cache and no HT.
Any explanations?

I understand that you might not have had issues. That's probably because your performance was so high that it didn't matter. There are also cases where you ARE ahead with HT, but end up in a situation where the next best thing also has performance so good you can't notice.

At the end of the day, we're all still human and our own senses are often the slowest part. My goal with computing is to leave myself as the least capable component in the system at any given time.
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post #475 of 571
Quote:
Originally Posted by xlink View Post

There are times where a 2500k outperforms a 2600k despite it having lower clocks, less cache and no HT.
Any explanations?

I understand that you might not have had issues. That's probably because your performance was so high that it didn't matter. There are also cases where you ARE ahead with HT, but end up in a situation where the next best thing also has performance so good you can't notice.

At the end of the day, we're all still human and our own senses are often the slowest part. My goal with computing is to leave myself as the least capable component in the system at any given time.
the explanation is very very simple the HT slow down the i7 2600k in less threaded apps as it will for example use 2 threads which will be one real core and one virtual one.
The i5 will always put in 2 real ones in such a situation.

Therefore we do never measure with benches that are non highly multi threaded it would be a miss. (I have HT dissabled on my e5520's if I game always most of the time I also have only 2 cores per proc enabled for higher single threaded performance)
post #476 of 571
http://www.anandtech.com/show/4083/the-sandy-bridge-review-intel-core-i7-2600k-i5-2500k-core-i3-2100-tested/17

In anything properly multithreaded, the 2600k can't even touch the 980x, and the 3770k isn't that much faster than the 2600k.
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post #477 of 571
http://www.anandtech.com/bench/Product/551?vs=142

980x is Only 5.2% faster then the 3770k in multithreaded cinebench
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post #478 of 571
Quote:
Originally Posted by Stay Puft View Post

http://www.anandtech.com/bench/Product/551?vs=142

980x is Only 5.2% faster then the 3770k in multithreaded cinebench

Result could vary depend on how good the threading in multithreaded benchmark is, 980X have a 24% edge in 7Zip.
Edited by sherlock - 3/21/13 at 4:35pm
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post #479 of 571
Well, thats a disappointment a bit.. unless these clock well I might as well just stick with my sandy..
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post #480 of 571
Quote:
Originally Posted by DiGiCiDAL View Post

Intel isn't likely to drop their prices... but all the secondary market prices will drop greatly... that will shortly be followed by a drop in the retail market - maybe not all of them but many retailers that have large inventories will start liquidating at ~$200 I would guess. Heck, Microcenter's had the 3770K at just over $240 for a couple of months and now they're only asking $230 for them. They don't even carry the 2700K any longer. Newegg isn't usually the best place to find deals... they're just the best place to find almost everything (except custom WC stuff at least)... prices are only decent.

Selling your old parts will off-set the cost of the new build. You could easily get $150 for most high-end Z77 boards used, $100 for a medium spec board and $70 for an entry-level board. Combine that with a $249 selling price of a used 3770k and you're looking at spending no more than $150 to upgrade.

Upgrading is always over-stated on these boards. Some make it sound as if you have to fork over your a new kidney that you just had transplanted.
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