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Intel announces its “most energy-efficient Intel Core processor” to date

When it comes to processors used in today’s computers (be they laptops, desktops, or servers), Intel remains the king. However, as consumers find themselves increasingly moving away from being tied down to a desktop towards mobile devices, Intel still wants to be at the forefront of innovation when it comes to processor performance and efficiency.
 
With processors based on ARM architecture clearly dominating in the smartphone and tablet space, Intel is looking to push back heavily starting at the convertible PC level and downward. To show its commitment, Intel is introducing a new Core M processor that is based on the 14nm Broadwell architecture. Intel calls the Core M the “most energy-efficient Intel Core processor” to date, and states that the processor will enable a broad range of thin, lightweight, and more importantly, quiet mobile devices.


Intel's Llama Mountain reference design
 
Compared to the previous generation Core offerings, the Core M will have a 60 percent lower TDP, 20 to 40 percent better performance, and a 50 percent smaller package footprint.
 
At Computex, Intel demoed a 2-in-1 device with Core M, codenamed Llama Mountain, which pairs a 12.5” fanless tablet with a detachable keyboard. The tablet itself is just 7.2mm thin, and weighs 1.48 pounds. For comparison’s sake, the recently announced Surface Pro 3 features a 12” display, is 9.1mm thin, and weighs 1.76 pounds.

 Microsoft's Surface Pro 3 is 2.1mm thicker than the Intel reference design

One of the first products to use the new Core M processor is the ASUS Transformer Book T300 Chi which runs Windows 8.1. This convertible PC features a 12.5” IPS display (2560x1440), detachable keyboard, and integrated LTE connectivity.


ASUS Transformer Book T300 Chi
 
There’s no word yet on availability for the Transformer Book T300 Chi, or other devices that will use the Core M.

Sources: Intel, ASUS



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RE: Not much to go on here.
By mik123 on 6/4/2014 3:04:49 PM , Rating: 2
Regarding the heat problem in 3D, I'm wondering why not just slow down the clock?

For example, what if you could get rid of DRAM entirely, and put a couple of GB of SRAM on die (say 20 layers on top of logic)? This way, the program would load from SSD straight into SRAM on the CPU. You would still want to have a couple of levels of cache, but your main memory accesses would speed up dramatically.

To deal with heat from those 20 layers of SRAM and the CPU, slow the clock to, say, 500 MHz. Sure, the CPU becomes slower, but the main memory is now at least 10 times faster, and system design is simplified.

Also, a slower clock allows to have multiple layers of logic too, so a multilayer CPU can have more transistors: cram more cores, more execution units per core, larger graphics accelerator unit, etc.

Finally, a slower clock allows to build larger, more complex systems, because it's much easier to deal with signal integrity issues.

If 500 MHz sounds like an awfully slow speed, just remember that your brain works pretty well at just 100 Hz.


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