Processor in Sony Vaio VGN-SZ220 is Core Duo T2400 1.83GHz, and in notebook Acer TravelMate 4072NWLMi is Pentium M740 1.73GHz.
We think that TravelMate 4072NWLMi has better screen with its 15.4" inch size than Vaio VGN-SZ220 with its 13.3" large screen.
Sony Vaio VGN-SZ220 came with more RAM memory - 1GB comparing to 0.5GB on Acer TravelMate 4072NWLMi.
Vaio VGN-SZ220 allows maximum 2GB RAM - higher than TravelMate 4072NWLMi (-1GB RAM).
On both laptops in use is DDR2 memory.
Sony Vaio VGN-SZ220 weights 1.86kg, but Acer TravelMate 4072NWLMi is less suitable for travellers with its 2.75kg.
Video card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop has Intel 915GM inside.
We like that graphic card on Sony Vaio VGN-SZ220 have its own video memory (128MB) and therefore its faster since it doesn't use main memory and mainboard controller is less loaded.
Sony Vaio VGN-SZ220 had more capacity of hard drive (120GB, comparing to 80GB).
Disadvantage of Sony Vaio VGN-SZ220 is lack of bluetooth which you need for some mobile phones and cameras.
There are no infrared embedded in Sony Vaio VGN-SZ220.
Only Sony Vaio VGN-SZ220 have firewire.
There are no PCMCIA on Acer TravelMate 4072NWLMi.
Cardreader is inside only Sony Vaio VGN-SZ220.
These notebooks don't have DVI output to allow you to see its screen on bigger modern monitors.
Each laptop has 54Mbit/s wireless
These laptops aren't very good for video conferencing since they haven't web camera built-in.
Operating system is XP Media Center on Sony Vaio VGN-SZ220 and Linux on Acer TravelMate 4072NWLMi.
There are additional software only on Sony Vaio VGN-SZ220 and it is Works 8.5.
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