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AMD's 35W Elite Performance 'Richland' APU Introduced

AMD's 35W Elite Performance 'Richland' APU Introduced - PCSTATS
Abstract: The four mobile APUs we'll be introducing you to in this article represent the 35W mobile 'Richland' platform as it stands now. Throughout the rest of 2013, AMD has revealed it will release more power efficient 25W TDP and 17W TDP notebook processors.
Filed under: CPU / Processors Published:  Author: 
External Mfg. Website: AMD Mar 12 2013   Max Page  
Home > Reviews > CPU / Processors > AMD A-series APU

Power Management Improved

Power management is rapidly reaching the point of diminishing returns as the majority of power savings are focused on system areas external to the CPU, integrated graphics IGP and chipset power envelopes. The AMD 'Richland' platform incorporates some concrete improvements on the power saving front according to AMD representatives, mostly with respect to improved thermal sensing vis a vis CPU throttling.

The following screenshots from AMDs presentation are fairly technical, in real world terms power management has improved to the point where we can get 6hrs of HD movie playback out of one charge from a 2013 "Elite Performance APU" based notebook.

The majority of power improvements with the AMD 'Richland' platform are straightforward optimizations. These optimizations make better use of existing thermal sensors in the 'Trinity' architecture, boosting available head room by scaling CPU performance where possible. The previous implementation relied on theoretical or averaged results, with 'Richland' real time data is included in the algorithms for a more 'granular' approach to power throttling.

Intelligent Boost essentially balances the thermals between the CPU and GPU regions of the core so the power envelope is never exceeded.

Hybrid Boost is a new feature with the AMD 'Richland' platform which uses pre-existing analog temperature sensors distributed across the silicon CPU die that were previously not incorporated into the performance management software. The performance algorithms now factor in real time temperature sensor data from different regions of the CPU into calculations. Without getting too technical, this optimized approach allows better performance throttling with the CPU and IGP. The end result of Hybrid Boost is improved efficiency without architecture changes, according to AMD.

Next up, a look at the new Brand: AMD.

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Contents of Article: AMD A-series APU
 Pg 1.  AMD's 35W Elite Performance 'Richland' APU Introduced
 Pg 2.  — Power Management Improved
 Pg 3.  Brand: AMD

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