Productz.com - Crowdsourced products database
Kimovil - Compare price, specs, reviews and benchmarks for smartphones and tablets.
WikiVS - The one stop for up-to-date comparisons. Get up-to-date information.
GSMArena - GSMArena is an online site that offers exhaustive and up and coming cell phone data.
Will my phone work - The site answers the question, will my mobile phone work with a certain mobile carrier?
GPUBoss - Researching the perfect graphics card for your next gaming rig can be a time consuming process.