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[BSN] Intel Core i7 3770K @ 7.06GHz

D

dma0991

Platinum Member
Intel "Ivy Bridge" Core i7-3770K is Capable of 100% Overclock
7GHz_Edited_Logo.jpg
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7.06GHz (63 x 112.11) @ 1.889V
 
BrightCandle said:
Only a mere 1.88 volts, why that will last at least 15 seconds.
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It's a suicide run to prove that it can do such overclocks, it is never meant to be feasible for long terms use. It is still impressive since it was done with all 4 cores unlike the Bulldozer world record with only 1 module.
 
Voltage doesnt kill chips, current does.

The sandy bridge chips can take alot of voltage, as long as you arent running prime 95 24/7.

Ivy bridge chips are even more efficient so that 1.9 volts isnt drawing as many amps as you might think, and thats what makes the voltage "safe" for dice runs.

Im willing to bet that the max "safe" voltage for ivy isnt much less than sandy, so 1.4 should be "safe" 24/7
 
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I would be happy if a 3770k + Z77 GD65 can make to 5.3-5.5 on air cooling with 10-15% extra volts with load temps of sub 70C 🙂
 
Nice to see that HT is enabled. If you disable HT you could probably run about 1.78v at that speed. Can't wait until these chips are released. All my buddies at work and I are going on a road trip to Microcenter.
 
I realize this only 1 data point but can we use Idontcare's curves to extrapolate voltages (very rough approximation of course) at lower frequencies?
 
Lex Luger said:
Voltage doesnt kill chips, current does.

The sandy bridge chips can take alot of voltage, as long as you arent running prime 95 24/7.

Ivy bridge chips are even more efficient so that 1.9 volts isnt drawing as many amps as you might think, and thats what makes the voltage "safe" for dice runs.

Im willing to bet that the max "safe" voltage for ivy isnt much less than sandy, so 1.4 should be "safe" 24/7
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http://en.wikipedia.org/wiki/Ohm's_law
The more potential applied to a given amount of resistance in a circuit, the more current can run through it.
 
Lex Luger said:
Voltage doesnt kill chips, current does.

The sandy bridge chips can take alot of voltage, as long as you arent running prime 95 24/7.

Ivy bridge chips are even more efficient so that 1.9 volts isnt drawing as many amps as you might think, and thats what makes the voltage "safe" for dice runs.

Im willing to bet that the max "safe" voltage for ivy isnt much less than sandy, so 1.4 should be "safe" 24/7
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I can understand why you would have come to develop this perception based on the anecdotal data that tends to accumulate and go unscrutinized in the laymen domain of enthusiast forums, but it is fundamentally wrong when you get right down to the physics involved in reliability and failure mechanisms of integrated circuits.

Voltage and current both play a critical role in different failure mechanisms of integrated circuits, as does temperature.

For example, voltage lowers the activation energy of any thermally activated process in which space-charge is involved or polarization of the electron cloud (fermi levels, etc) is a factor.

This manifests in dominant failure mechanisms relating the time-dependent dielectric breakdown (TDDB) for gate oxides and dielectrics in both the FEOL and BEOL.

Reducing temperatures can reduce the rate of voltage-induced degradation but that is not the same as saying voltage does not matter (the physics of the cause and effect are not properly accounted for in such a statement).

Hulk said:
I realize this only 1 data point but can we use Idontcare's curves to extrapolate voltages (very rough approximation of course) at lower frequencies?
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I can draw a curve through any datum point, unfortunately there are an infinite set of such curves that can be drawn 😉

Nothing meaningful can be extracted from this one data point in terms of voltage or power usage at ordinary clockspeed bins. But it is good to see that there is no fundamental clockspeed limit in IB owing to the use of 3D xtors.

Its a box to check, and now it has been checked, but there isn't much more to go on from here.
 
Yeah I can definitely see some excitement coming this way in April. I find it amazing how Intel keeps pushing themselves. AMD sure isn't pushing them to do it.
 
ketchup79 said:
Yeah I can definitely see some excitement coming this way in April. I find it amazing how Intel keeps pushing themselves. AMD sure isn't pushing them to do it.
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Intel is pushing itself because it wants all the people who went out and bought 2500-2600-2700Ks to go out and buy an ivy chip.
 
Puppies04 said:
Intel is pushing itself because it wants all the people who went out and bought 2500-2600-2700Ks to go out and buy an ivy chip.
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That is it exactly. Intel is in a position where it is competing with itself. Still cozier than competing against someone else.

I do think it's funny that when AMD had a chip that was really competitive for speed, Intel was giving us that P4 crap.
 
This is great news as this chip not only booted at its max multy but also ran at a very high and stressfull bclk and also had hyper on with 4 cores.

This being done on just dry ice means that we will see a lot of max record runs but using colder temps wont help since this guy already booted with a max multy.

using colder temps is not going to help him get much higher on the bclk.I iwsh intel would just raise the max multy to 80 so people can really push these chips with colder runs.

63x115-120 is prolly the most anyone will bench at
 
I thought Ivy Bridge supported another fixed bclk of 133MHz.

We were disappointed to learn that Intel will only offer a single base clock option for Ivy Bridge beyond the 100MHz of Sandy Bridge, name 133MHz.
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That puts the potential max frequency of over 8.3GHz. Are the settings not available for the tested setup? Maybe the 6 series chipset can't support it and needs 7 series chipset? They wouldn't have needed to go through the hassle of overclocking the bclk and achieved same 7GHz with 53x multiplier.
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