Bapco MobileMark 2012 1.5
Version and / or Patch Used: 2012 1.5
Developer Homepage: http://www.bapco.com
Test Homepage: http://www.bapco.com
MobileMark 2012 1.5 is an application-based benchmark that reflects usage patterns of business users in the areas of office productivity, media creation and media consumption. Unlike benchmarks that only measure battery life, MobileMark 2012 measures battery life and performance simultaneously, showing how well a system design addresses the inherent tradeoffs between performance and power management.
Samsung says the 840 uses very little power and they are correct. In our battery life test the 840 comes very close to the Crucial m4. It's so close, but no cigar, in this capacity. Let's take a look at how Samsung gets there.
PCMark Vantage HDD Test - Power Draw
The Samsung 840 is the black line on the graph and you can easily find it at the very bottom. Samsung uses less power at idle and while reading data. The high spikes are random writes at higher queue depths. The Samsung 840 registers the highest spike on the chart, too.
As you can see the blips are small so under real-world conditions they rarely affect battery power. The low idle power though, that is where you see real savings.