Net weight

•  1.29 kg (2)
•  1.61 kg (1)
•  1.65 kg (2)
•  1.74 kg (1)
•  1.82 kg (2)
•  1.99 kg (1)
•  2.00 kg (1)

RAM speed

•  400 MHz (1)
•  4800 MHz (1)

Fingerprint reader

•  No (2)
•  Yes (1)
•  Yes, Touch Style, on Palm Rest (2)