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  #51  
Old 12-06-14, 09:25 AM
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lol, try putting 1.4v through a 4770k and not having it melt. The 4790k has 1.4v going through it and temps are still ok.

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  #52  
Old 12-06-14, 10:08 AM
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Originally Posted by SieB View Post
lol, try putting 1.4v through a 4770k and not having it melt. The 4790k has 1.4v going through it and temps are still ok.

A conventional thermal paste on a delidded 4770K can lower overall load temperatures by ~10 degrees and with CLU/CLP you can hit 20 degrees less peak temp.
Tomshw test with both cpus @ 4.2 GHz and 1.275V shows that there's just 6C of deltaT between 4770k and 4790k load temps

Moreover I'd never advise someone to keep a 22nm cpu at 1.4V for a daily OC.
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  #53  
Old 12-06-14, 10:19 AM
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Originally Posted by Agost View Post
A conventional thermal paste on a delidded 4770K can lower overall load temperatures by ~10 degrees and with CLU/CLP you can hit 20 degrees less peak temp.
This is with a delidded CPU though, i'm not saying the thermal paste Intel use is better than other thermal paste you can buy. Just that the stuff they are using on the 4790k is better than what they were using on the 4770k.

Quote:
Originally Posted by Agost View Post
Toms test with both cpus @ 4.2 GHz and 1.275V shows that there's just 6C of deltaT between 4770k and 4790k load temps

Moreover I'd never advise someone to keep a 22nm cpu at 1.4V for a daily OC.
This is at a relatively average voltage though, as you increase the voltage the difference in delta would be larger. Although 1.4v isn't a safe 24/7 voltage it shows how much cooler the 4790k runs at higher voltages compared to the 4770k. If you put 1.4v through a 4770k it wouldn't stay under 85*c and would go into the 90's.
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  #54  
Old 12-06-14, 12:38 PM
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Originally Posted by Dicehunter View Post
Either way I don't really see the point in this release, Would of been better to just put those resources towards the next REAL performance jump.
Im now of the belief that this release was done just to sale some backstock 4770K's. They're the exact same die and a guy on HardOCP identified the date code on the ES as being built in August of last year! I think they slapped some extra caps on the back and maybe tinkered with the TIM a little and called it "next generation", built in a lot of hype and hoped they'd clear out some slow moving inventory. Makes me think they don't pay attention to this community at all and forgot about all these review sites and how the truth would get out about these things before they were released.

Still, as a refresh, and that's all DC is, it's still a great chip. So it won't hit 5.0, that does suck but a 4790K running at a stable 4.7 GHz is still a whole lot of CPU horsepower and still worth buying if you're in the market for a Haswell level upgrade. And considering it's not supposed to cost any more than a few dollars more than a 4770K, I see no real harm done other than to Intel's marketing department.
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  #55  
Old 12-06-14, 06:28 PM
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Quote:
Originally Posted by MacLeod View Post
Im now of the belief that this release was done just to sale some backstock 4770K's. They're the exact same die and a guy on HardOCP identified the date code on the ES as being built in August of last year!
I'd be surprized if they weren't.

In the industry you don't tape-out new die if you don't have to. New mask-sets aren't cheap. Intel's in a much better position since they don't have to pay TSMC's margins but it still is a high cost for them. It's the reason you've the same Haswell die in everything to low end entry level laptop right up to the flagship desktop 4770k. AMD is the same too.
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