Sony Vaio VGN-SZ220 went with Core Duo T2400 1.83GHz central processor unit built in, and Acer TravelMate 4652LMi with Pentium M740 1.73GHz.
We prefere more 15" monitor on Acer TravelMate 4652LMi than 13.3" monitor on Sony Vaio VGN-SZ220.
Maximum declared screen resolution on TravelMate 4652LMi (1400x1050) beats Vaio VGN-SZ220 (1280x800).
If you think you will need more memory then you'll known than 1GB on Sony Vaio VGN-SZ220 is better than 0.5GB on Acer TravelMate 4652LMi.
2GB is maximum supportable RAM memory on both notebooks
Both Sony Vaio VGN-SZ220 and Acer TravelMate 4652LMi on our test use same type of RAM memory - DDR2.
Vaio VGN-SZ220 is significantly lighter with its 1.86kg weight, than TravelMate 4652LMi with 3kg.
Graphic card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop uses GMA900.
Gamers might prefer Sony Vaio VGN-SZ220 since it seems it has quite better graphic card with 128MB of its memory.
Sony Vaio VGN-SZ220 laptop is more suitable with its 120GB hard disk for storing bunch of media files like music .
We do not have preference on their hard drive speed - 5400 rpm have both.
For some small devices like phones and cameras, you might need bluetooth communication which is internaly built only in Acer TravelMate 4652LMi.
Sony Vaio VGN-SZ220 have lack of infrared device.
Firewire is available only on Sony Vaio VGN-SZ220.
These laptops have PCMCIA.
1Gbit/s internet connection is supportable only by Acer TravelMate 4652LMi.
Small advantage of Sony Vaio VGN-SZ220 is built-in cardreader which reads 5 card types.
They don't have DVI for new LCD monitors.
Only TravelMate 4652LMi has TV output.
These notebooks aren't very good for video conferencing since they haven't web camera embedded.
Operating system is XP Media Center on Sony Vaio VGN-SZ220 and XP Pro on Acer TravelMate 4652LMi.
Only Sony Vaio VGN-SZ220 has some additional software : Works 8.5.
More
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Acer TravelMate 8204WLMI vs Asus Z 9274 VM.
Gateway MP8708 vs Gateway MX6453.
Acer TravelMate 4202WLMI vs Acer TravelMate 4652LMi.
Asus Z 9266 VA vs Fujitsu-Siemens Amilo M3438G.
Gateway MX6448 vs HP Pavilion dv9056ea.
Acer Travelmate 2312LM vs Panasonic Toughbook CF-29.
Samsung M700-1860 vs Toshiba Satellite A105-S4384.
Gateway MX6912 vs Sony Vaio VGN-FE31Z.
Acer Aspire 5672WLMi vs Fujitsu-Siemens Amilo M3438G.
HP dv9008nr vs Sony Vaio VGN-FE31Z.
Sony Vaio VGN-FE770G vs Acer TravelMate 2414NWLMi.
HP Pavilion dv9056ea vs Microstar 262B.
Sony Vaio VGN-AR230G vs Acer TravelMate 4602WLMI.
Sony Vaio VGN-AR230G vs Panasonic Toughbook CF-74.