how to find which video card is installed on linux

lspci -v
look for VGA

01:00.0 VGA compatible controller: nVidia Corporation NV41GL [Quadro FX 1400] (rev a2) (prog-if 00 [VGA controller])
Subsystem: nVidia Corporation Unknown device 0243
Flags: bus master, fast devsel, latency 0, IRQ 10
Memory at f1000000 (32-bit, non-prefetchable) [size=16M]
Memory at d8000000 (64-bit, prefetchable) [size=128M]
Memory at f2000000 (64-bit, non-prefetchable) [size=16M]
[virtual] Expansion ROM at d7e00000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [68] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
Capabilities: [78] Express Endpoint IRQ 0
Capabilities: [100] Virtual Channel
Capabilities: [128] Power Budgeting