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Guru3D.com » News » Intel Haswell to Include Integrated Voltage Regulator

Intel Haswell to Include Integrated Voltage Regulator

by Hilbert Hagedoorn on: 12/28/2012 09:18 AM | source: | 14 comment(s)
Intel Haswell to Include Integrated Voltage Regulator

Intel Corp.’s next-generation code-named Haswell microprocessors will feature a secret weapon: integrated voltage regulator module (VRM). The latter will allow to improve granularity of power supply to central processing units and thus further cut power consumption without compromising performance. At present, voltage regulator modules and various power ICs are located on mainboards. In the recent years, to better regulate voltages of different blocks within central processing units, multi-phase CPU power supply circuitries were implemented. 

Such circuitries are rather costly and take up a lot of space on mainboards. But most importantly, granularity and performance of such VRMs is not as high as Intel wants. In a bid to make its chips even more power efficient than they are today, Intel has developed a special programmable chip with 20 power cells, reports PC Watch web-site. Each power cells is a mini VR with analogue circuits rated for up to 25A electric current and supporting up to 16 phases. Potentially, one 20-cell chip enables 320 power phases per CPU, which allows extreme granularity of power supply. Intel will install the integrated voltage regulator (IVR) chip, which will be made using 22nm process technology onto the same substrate with Haswell microprocessors as xbitlabs reports.

Integrated VRM will allow to independently and very precisely control power consumption of each core, graphics core, system agent as well as well as interconnection buses within Haswell chip. Such fine-grain regulation can decrease power consumption without compromising performance. For example, with Haswell it is possible to halt all CPU cores during video playback without halting ring-bus interconnections, which means that only graphics core will consume power and given the fact that the interconnection will continue to operate at full speed, video playback will be smooth.

Eventually, Intel plans to build in IVR into microprocessor itself, which will further improve granularity of power supply. This will not only be useful for code-named Broadwell chips for notebooks, but also for various system-on-chip solutions for smartphones and tablets. In the latter case this will significantly boost Intel’s competitive positions against various solutions based on ARM technology, which dominates the mobile electronics these days.

 



Intel Haswell to Include Integrated Voltage Regulator Intel Haswell to Include Integrated Voltage Regulator




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Penal Stingray



Posts: 957
Joined: 2010-12-17

#4488631 Posted on: 12/28/2012 09:45 AM
Intel Corp.’s next-generation code-named Haswell microprocessors will feature a secret weapon: integrated voltage regulator module (VRM). The latter will allow to improve granularity of powe...

Intel Haswell to Include Integrated Voltage Regulator really? would be nice if it comes with a hoe lol

deltatux
Senior Member



Posts: 19051
Joined: 2009-01-25

#4488634 Posted on: 12/28/2012 09:49 AM
ummm, now the question would be: what would the effects be on overclocking? Last time Intel integrated more things into the CPU, it made overclocking a bit messy with it requiring an unlocked CPU.

Though, not going to lie, I'm happy about lower CPU power consumption.

deltatux

vidra
Senior Member



Posts: 2625
Joined: 2005-07-16

#4488638 Posted on: 12/28/2012 10:15 AM
Sexytime!

lucidus
Senior Member



Posts: 11825
Joined: 2011-12-31

#4488640 Posted on: 12/28/2012 10:25 AM
Without compromising stock performance I'm sure. As an enthusiast I'd like to know the implications on moderate overclocking though we won't find that out until release.

JohnMaclane
Senior Member



Posts: 4824
Joined: 2004-05-20

#4488661 Posted on: 12/28/2012 11:23 AM
Without compromising stock performance I'm sure. As an enthusiast I'd like to know the implications on moderate overclocking though we won't find that out until release.


I think the implications are actually positive, the article itself tells us how Intels integrated voltage regulators offer much more flexibility in terms of the number of phases available. This means better control of power delivery.

This innovation is not to be under estimated. The implementation of programmable power electronic devices on a 22nm node is not easy; as designing analogue circuits on such an advanced node, next to large digital circuits is hard.

This means Intel has been spending some of that R&D money on power electronics which is a cool field.

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