Central processor unit in Sony Vaio VGN-SZ220 is Core Duo T2400 1.83GHz and in Gateway MX3414 is Turion X2 Dual 1.6GHz.
We think 14.1 inch screen at MX3414 is better than 13.3 inch screen wide at Vaio VGN-SZ220.
In both laptops we've found 1GB of RAM.
If you think to move your laptop around frequently, Sony Vaio VGN-SZ220 have weight only 1.86kg, but Gateway MX3414 is quite heavier - 2.4kg.
Graphic card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop uses Nvidia Go 6100.
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 disk (120GB, comparing to 100GB).
Sony Vaio VGN-SZ220 should load programs for hard disk faster with its 5400rpm fast drive.
There are firewire built-in only on Sony Vaio VGN-SZ220.
There are internal modem in these models.
These laptops have cardreaders inside them.
None has DVI output so you cannot connect them to some new TFT monitors.
Both came with XP Media Center on them.
Software which came with Gateway MX3414 is Works 8.5, Money 2006 and with Gateway MX3414 is Works 8.5.
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Laptops comparisons:
Acer TravelMate 4652LMi vs Toshiba Satellite P105-S9722.
Sony Vaio VGN-AR190G vs Toshiba Qosmio G35-AV660.
Gateway MX6453 vs Toshiba Satellite L100-1200.
HP Pavilion dv6108nr vs Acer Aspire 3681WXMI.
HP Pavilion dv6108nr vs Toshiba Satellite A105-S4384.
Acer TravelMate 4202WLMI vs Acer TravelMate 4602WLMI.
HP dv8301nr vs Acer TravelMate 4652LMi.
HP Pavilion dv6108nr vs Toshiba Qosmio G35-AV660.
Gateway MX3414 vs HP Pavilion dv6108nr.
Gateway MX6448 vs Gateway MX6912.
Panasonic Toughbook CG-18 vs Toshiba Satellite P105-S9722.
HP Pavilion dv6108nr vs Acer Aspire 3681WXMI.
Sony Vaio VGN-SZ220 vs Gateway MX6448.
Gateway MX3414 vs Panasonic Toughbook CF-29.