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[X-Bit Labs] Retail Versions of Intel Core i “Haswell” Are “Hotter and Slower” Than Expected – Report. - Page 9

post #81 of 232
Quote:
Originally Posted by Stay Puft View Post

2008 is when amd was defeated. Bloomfield absolutely destroyed deneb.

The 965 was clocked at 3.4 and still couldn't keep up with a 2.66 920

Actually the defeat of AMD was back in 2006 when the core 2 duo/quad series launched.... AMD never came back with a serious competitor after that. The first gen Phenoms were terrible, and by the time the 2nd gen ones came out Intel moved on to their next gen. It has been 7 years, I still hope that AMD can beat intel again. I am an AMD fanboy at heart, before 2006 I always had an AMD CPU.
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post #82 of 232
Quote:
Originally Posted by OutlawII View Post

I will be getting Haswell,it doesnt seem like that big of a let down not sure what every one is whining about.. Clock for clock its faster than previous gen,the heat sucks but with a proper loop i will be fine. If u get 4.5 - 4.7 ghz what are u really gaining by hiiting 5.0 plus? After all what do we expect Intel has the cpu market wrapped up there has been no competition from AMD for years. And i do not forsee any in the future.

4.5 to 4.7?? Most people are having trouble even locking down 4.5

Considering most ivys at least do 4.5 - 4.8 it's a dead even CPU. Sure it's 5-10% faster depending on programs, but that doesn't matter when you loose OC headroom. Keep in mind this is overclock.net, so when we lose OC headroom it's a big deal around here. Lol

For your upgrade its well worth it. But for current ivy and sandy holders its a let dowwn.
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post #83 of 232
Quote:
Originally Posted by pwnzilla61 View Post

People who bought the 2500k during it's heyday sure are getting their money worth.

Yes, for sure! I'm actually on my SECOND 2500K. The first one was a 5.3 GHz beast (on an H100), and this one I'm using now isn't bad at all. It's at 4.7 with PLL OV turned off. I paid $169 for it at Microcenter, and only paid $65 for the P8Z68-V LX board after the bundle discount. Both were brand new in the box. I feel like I robbed someone! wink.gif
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post #84 of 232
Quote:
Originally Posted by metal_gunjee View Post

Are there any immediate advantages to having the new instruction sets? (AVX2, FMA3)

No, the only real way to get anything out of instructions is to install Gentoo or something (seriously, not to sound like a /g/entooman or anything). Look at Skyrim, it came out a little while ago and it used x87 instructions over SSE, and SSE came out a long time ago and Intel has been telling people to flat out stop using x87 for around 10 years.

The Windows ecosystem is horrible for CISC CPUs that are meant to derive their performance from instructions that speed things up as opposed to improving the architecture that only performs a few simple instructions. I do feel though, that this is why Intel is so strong on legacy code. They eschew fancy instructions (ergo throw them out on low end products) for making architectures that can run older code more efficiently. The problem, I feel with this, is that new instructions can see huge speed ups (add an extra 0 as a starting point to Intel's generational gains since Nehalem) and it's more or less holding people back, a lot.

Skyrim isn't the only problem, when I recompiled LAME I saw a 60% speedup after enabling AVX, SSE, etc on my 8350.

All of those instructions are basically useless unless you can, at the very least, compile your own software or you can find a project (like Dolphin) where the devs are smart enough or care enough to take advantage of these things. It'll be at least 5 or 10 years before AVX2 trickles down to consumer applications in Windows, possibly longer because Intel has decided to fragment their CPU lines with which instructions they are allowed to run, so optimizing for an instruction set not only ends up being isolated to the new CPUs, but the new CPUs that have the new instructions (TSX on K series, I'm looking at you).

But don't get me wrong, if you can even simply run something like Ubuntu and compile the demanding programs on your own and optimize the CFLAGS, you'll still see massive gains. Finding a program that yields less than 10% increase in Gentoo is very rare (but I'm limited to testing FOSS software), and finding massive gains (like 60%, 100%) isn't all that rare.

You should really look into Linux if you want to really make your processor scream. Even if you just install ubuntu, compile x264 or whatever on your own, and then just use Linux for encoding, it's fine.

Poorly optimized software hurts all of us, and it's pretty annoying to know that some closed source program uses old instructions and you're not getting the performance you want, so you upgrade and get another 3% to 20% performance, when simply enabling those instructions on your old chip could double the speed.
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post #85 of 232
Well, that sucks!!
post #86 of 232
Can someone explain this?
Quote:
"PCs based on pre-production [speeds] of 4.5GHz have had to be dropped to 4.3GHz because of a lack of stability in retail parts,” said a representative for another PC manufacturer.

Intel doesn't sell 4.3 GHz chips, nor 4.5 GHz, thus nobody should expect these high numbers, nor try to run business on selling chips with these speeds.
post #87 of 232

Re: [X-Bit Labs] Retail Versions of Intel Core i

Quote:
Originally Posted by Raghar View Post

Can someone explain this?
Quote:
"PCs based on pre-production [speeds] of 4.5GHz have had to be dropped to 4.3GHz because of a lack of stability in retail parts,” said a representative for another PC manufacturer.

Intel doesn't sell 4.3 GHz chips, nor 4.5 GHz, thus nobody should expect these high numbers, nor try to run business on selling chips with these speeds.

You do understand that we are talking about K series processors that are advertised as being unlocked and be able to be overclocked. Otherwise this whole website wouldn't make sense if everyone was to be expected to run every piece of hardware at stock speeds.

Sent from my SCH-I605 using Tapatalk 2
post #88 of 232
Quote:
Originally Posted by Raghar View Post

Can someone explain this?
Intel doesn't sell 4.3 GHz chips, nor 4.5 GHz, thus nobody should expect these high numbers, nor try to run business on selling chips with these speeds.
Some resellers sell pre-overclocked systems.
post #89 of 232
trying......to resist.....urge to.........sidegrade to a 2600k or 3770k that OCs well unlike my chip
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post #90 of 232
Quote:
Originally Posted by Kaltenbrunner View Post

trying......to resist.....urge to.........sidegrade to a 2600k or 3770k that OCs well unlike my chip
You can get a used 2600k for pretty cheap these days.
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Overclock.net › Forums › Industry News › Hardware News › [X-Bit Labs] Retail Versions of Intel Core i “Haswell” Are “Hotter and Slower” Than Expected – Report.