Pentium M740 1.73GHz was built in HP Compaq nx8220 laptop comparing to Centrino Duo T2300 1.66Ghz in Sony Vaio VGN-FE28B.
HP Compaq nx8220 and Sony Vaio VGN-FE28B have same 15.4" screen size.
Sony Vaio VGN-FE28B model we've tested had more RAM (1GB) than HP Compaq nx8220 (0.5GB).
Video card inside nx8220 is ATI X600 and other laptop has Nvidia Go 7400 inside.
Graphic card is better on HP Compaq nx8220 with embedded 64MB of memory.
More hard disk space were available at Sony Vaio VGN-FE28B (100GB is contast to 60GB).
Bluetooth exists only on HP Compaq nx8220 model and you might need it for managing pictures on your camera or mobile phone.
Infrared isn't available on both models and therefore they cannot communicate with some small devices.
No built-in firewire so you cannot attach some camcorder on these laptops.
Only Sony Vaio VGN-FE28B has PCMCIA.
These laptops have cardreader inside (1 different card types can read).
They don't have DVI for new monitors.
These laptops aren't very suitable for Internet telephony since they haven't web camera.
Operating system is XP Pro on HP Compaq nx8220 and XP Media Center on Sony Vaio VGN-FE28B.
There are additional software only on Sony Vaio VGN-FE28B and it is Adobe Acrobat Elements 7.0.
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