14. Batterymark Scores

I was surprised and impressed to see the Radeon IGP320M notebook outscore the rest, because it does not have the biggest battery in the test (60 Wh). This score proves two things. AMD's Mobile Athlon XP is indeed a very good product in terms of power saving features. Additionally, Radeon IGP320M seems to play a good role in the power saving, as well.

Dell's Latitude C840 comes in second, even though its battery has 10% more capacity than the prototype notebook. Both laptops have the same screen size and thus the backlight of both should drain similar amounts of power. It might well be that the integrated nature of Radeon IGP320M is the power saver. The extra NVIDIA GeForce4Go graphics chip in the Dell Latitude will certainly have its power requirements.

Dell's Inspirion 8100 clearly suffers from the fact that it's based on the i815 chipset. This chipset is unable to support the full Enhanced SpeedStep of Pentium III-M. Would Dell have used Intel's 830 chipset, the numbers would certainly be a lot better.

Compaq's Presario notebook benefits from its smaller screen of course, but the 141 minutes score is still very respectable, showing that even the 'old' Mobile Athlon 4 processor was already a good power saver.