How to check which Graphics card is available and driver in use?

Check #

lspci -k | grep -A 2 -i "VGA"

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV730 GL [FirePro V3750] Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] RV730 GL [FirePro V3750] Kernel driver in use: radeon