For Sony Z11 VPCZ11Z9E:
$ sudo dmidecode -s system-product-name && sudo dmidecode -s system-version && lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
VPCZ11Z9E J0044RR3 01:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:0a2b] (rev a2)
For Sony Z11 VPCZ11Z9E:
$ sudo dmidecode -s system-product-name && sudo dmidecode -s system-version && lspci -vnnn | perl -lne 'print if /^\d+\: .+(\[\S+ \:\S+\] )/' | grep VGA
VPCZ11Z9E
J0044RR3
01:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:0a2b] (rev a2)