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4670k vs 4770k with hyperthreading disabled? - Page 2

post #11 of 22
then Google
post #12 of 22
Quote:
Originally Posted by bonami2 View Post

i dont talk about ht


i talk about these 2 chip without ht if they perform the same or not smile.gif
...And i only mentioned it.
Its 2% difference vs with 4770k HT off.
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post #13 of 22
Thread Starter 
serious benchmark proof
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post #14 of 22
Bonami2 - If you aren't willing to state your needs or reasoning behind requesting the benchmark, don't expect anybody to do the leg work for you.

As stated, the i7 has 2MB more cache and 100 MHz higher clock speed. All other things being equal, it's going to be 2-3% faster on those qualifications alone. If you want proof, buy both and bench them. I doubt anybody here has both and will bench both just because you're curious.

Greg
post #15 of 22
lmgtfy> Post

/s
post #16 of 22
Thread Starter 
Quote:
Originally Posted by hammong View Post

Bonami2 - If you aren't willing to state your needs or reasoning behind requesting the benchmark, don't expect anybody to do the leg work for you.

As stated, the i7 has 2MB more cache and 100 MHz higher clock speed. All other things being equal, it's going to be 2-3% faster on those qualifications alone. If you want proof, buy both and bench them. I doubt anybody here has both and will bench both just because you're curious.

Greg


Im sure someone has both and i asked passmark performance test 8 test....

With the 2mb cache more i suspect an architecture change... if not im seriously laughing at intel with the 150$ price for hyperthreading
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post #17 of 22
Quote:
Originally Posted by bonami2 View Post

Im sure someone has both and i asked passmark performance test 8 test....

With the 2mb cache more i suspect an architecture change... if not im seriously laughing at intel with the 150$ price for hyperthreading

There's no architecture change man. HT can make the cpu 30%+ faster than its non-ht counterpart at times. That said it's not in gaming or the browsing the internet task. Most people that have i7 here including me just do it for the e-peen or whatever. When you regularly use heavy threaded apps, it's well worth the price!
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post #18 of 22
Quote:
Originally Posted by Bartouille View Post

There's no architecture change man.

Only if you grossly oversimplify things.

Hyper-threading functions because the i7 has more refined gating and 1 execution engine per 2 logical cores to allow for it (in addition to other little things).
A side effect of this is that in general an i7 will occasionally be a few percentage points faster in single threaded applications depending on how they are programmed.

And the extra 2MB of L3 will add at most a few percentage points depending on all kinds of stuff.

OP, im seeing if I can track down any direct comparisons, but its not something that has really been thought about since Nehalem/Gulftown and the first gen i series stuff because its a foregone conclusion that the i7 is purchased specifically because it has HT and the i5 doesnt.
Back then disabling HT could lower temps and/or reduce instability in an OC so it was something people thought about.
With the radical Arch changes made in sandy that was no longer an issue and people stopped thinking about it.
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post #19 of 22
http://benchmarkreviews.com/3905/intel-core-i5-4430-cpu-lga1150-haswell-desktop-processor-review/12/

TL;DR 4770 around 8% faster in general in apps that do not use HT vs 4430 (4430 and 4770 are the same core)

For all the rest, if you don't use the extra threads, not worth the 100% mark up.
post #20 of 22
Thread Starter 
Ok good smile.gif


i was looking at 4670k vs 4770k

did not think to check for non k
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