Memory: On-board 2GB 1600MHz DDR3L 
     SDRAM; 16GB eMMC
Processor: Nvidia T4OS (1.8 GHz),
      4-Plus-1TM Quad
OS: AndroidTM 4.2

Memory: 2 GB 1333 MHz DDR3L SDRAM 
Processor: Intel Atom processor Z3745D,
      (1.33ghz, 2 MB cache, 4 cores)
OS: Windows 8.1 32

Memory: 4 GB 1333 MHz DDR3L SDRAM 
     (1DIMM); 1 DIMM slot
Processor: AMD Dual-Core A4-1250 APU 
      with, Radeon HD 8210 
      Graphics (1 GHz, 1 MB cache)
OS: Windows 8.1 (64bit)

Memory: 4 GB DDR4-2133 SDRAM 
    (1 x 4 GB)
Processor: Intel® Core™ i3-6006U 
      (2 GHz(2b), 3 MB cache, 2 cores) 
OS: Windows 10

Memory: 4 GB DDR4-2400 SDRAM 
    (1 x 4 GB)
Processor: Intel® Core™ i5-8250U 
       (1.6 GHz base frequency(2b) 
OS: Windows 10