The tests were performed in a newly installed Windows XP Professional operating system with a necessary minimum of installed programs. The wireless adapters were disabled. We selected the “portable/laptop” power management scheme and prohibited to turn off the hard drive and monitor and to enable the screensaver or standby mode.
The screen brightness was set at 120-130 candelas per sq. m by means of a luxmeter for the battery life tests. This allows for better comparison than if we tested at the maximum screen brightness alone (the battery life measurements at the max and min brightness of the screen are also listed in the table below).
To check the performance in office and multimedia applications we used Business Winstone 2004 and Multimedia Content Creation Winstone 2004. PCMark 2004 was run to give us an overall performance rating as well as ratings of all the main components. 3DMark03 was used to check the performance of the notebooks’ graphics subsystems. Considering the business orientation of the tested models we also tried them in Photoshop CS by measuring the time of execution of a special script.
The battery life was measured with Battery Eater Pro 2.50 in Reader’s and Classic modes. The difference between the two modes is indicative of how well the power-saving management works in a notebook.
We also tested the notebooks on the Intel Core Solo/Duo platform on their batteries in Business Winstone 2004 and Multimedia Content Creation Winstone 2004 to see if our method of using the portable/laptop scheme works with the new platform.
As we wrote in earlier reviews, when the portable/laptop power management scheme is selected, the notebook automatically yields its full processing power when necessary, and the system settings in the Classic mode correspond to the settings of the Always On scheme, and in the Reader’s mode to the Max Battery scheme. So, there’s no need to test these modes independently, but we need to check if this is true for the new platform.
For better comparison we suggest that you take a look at the table of specifications. This table also lists the average price and warranty terms for the tested models.