Recent content by Smartflight

  1. S

    Understanding the screw sizes required for disassembling Lenovo Z510

    I have a Lenovo Z510 bought several years ago. I finally decided to order a new RAM module to install. I found this guide on Lenovo's website. The screw sizes I need to unscrew/screw are: * M2 x 2.5mm (flat head, nylok coated) * M2 x 4.9mm (flat head, nylok coated) * M2.5 x 6mm (flat head...
  2. S

    i5-4200U/840M vs i5-4200M/740M

    I am currently weighing in two laptops, both by Lenovo. $712: i5-4200U + Nvidia 840M (-) Lower clock speed & turbo boost (-) Intel HD 4400 (+) Power efficient (+) Quoted as being 35% faster over 740M (+) 2 GB graphics memory (=) 4 GB system RAM $720: i5-4200M + Nvidia 740M (+) Higher clock...