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Patriot Memory for Ultrabook - Scaling SODIMM RAM Density vs. Battery Life (Page 5)

By: Chris Ramseyer from Feb 5, 2013 @ 2:55 CST
Manufacturer: Patriot Memory

Bapco MobileMark 2012 1.5

Version and / or Patch Used: 2012 1.5

Developer Homepage:

Test Homepage:

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.


It really doesn't take a genius to know that the more powered items you add to a notebook, the less battery life you get. The question was always how much of a difference it makes. In our testing, going from one SODIMM stick to two wasn't that big of a deal, we lost between 5 to 6 minutes of battery life.

Moving from two sticks to four sticks had a large impact on battery life, around 20 minutes. That makes the difference between one 8GB stick and four 8GB sticks (32GB total) around 25 minutes.

Final Thoughts


Today's test really answers a lot of questions for me, or at least brings to light something I've observed and not spent a lot of time thinking about.

When I buy a new notebook the first thing is do is slap in the fastest SSD available at the time and fill the system full of RAM. There are usually a couple of days in between getting the notebook from the OEM and then 'making it mine'. Before I really didn't think too much about it, but I could always tell the battery life had dropped off, but I never realized exactly how much until now. These tests tell us that you want to use a few memory sticks in your laptop as possible for optimal battery life. It does make a sizable difference to performance.

I have a few more articles planned in this mini-series dedicated to increasing notebook battery life. All of our SSD reviews include power testing and the MyDigitalSSD BP4 with new 19nm Toshiba Toggle 2 NAND currently leads the battery performance charts in the SSD category. The other articles include notebooks filled with crapware (the software that comes preloaded on your notebook from the factory) versus a clean install. Then we'll look at HDD cache products, small SSDs paired with HDDs.

If you have a battery life related test you would like to see, comment below. We're watching.

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