Slim Browser
RAM : 700-800 MB
Processes : 9
Slim Jet
RAM : 400-450 MB
Processes :12
Palemoon
RAM : 270 MB
Processes :1
K-Meleon Browser
RAM : 200 MB
Processes : 1
Lunascape
RAM : 120-150 MB
Processes : 1
Final Words: Lunascape uses the least RAM but has a nagging screen. K-Meleon Browser consumes a little more RAM but still is a light weight option.
Slim Jet and Slim Browser create several processes and consume more than 400 MB of RAM.
