The smaller, lighter and sexier Sony PSP Go officially launched on 1st September. Comparison between PSP Go and PSP below.

Features Comparison between PSPgo and PSP

Screen Resolution: 480 x 272 pixels compared to 480 x 272 pixels
Screen Size: 3.78 inch Wide-screen LCD compared to 4.3 inch Wide-screen LCD
Form Factor: 4.8 x 2.6 x 0.6 inches compared to 6.7 x 2.9 x 0.9 inches
Games: Downloadable Only compared to UMD and Downloadable
Online Gaming: Infrastructure and Ad Hoc for both.
Photos: Yes for both.
Music: Yes for both.
Movies: Purchase and rental for both.
Internet Browsing: Yes for both.
Bluetooth: Only for the PSPgo
Memory: 16GB Built-in, expandable Memory Stick Micro compared to Expandable Memory Stick Duo
Connect to Console: Remote Play for both.
Store: PlayStation Store for both.
Skype: Built-in for both.
Parental Controls: Yes for both.

Price: $250 compared to the PSPs $170

via