You can quickly see which graphics card is installed in your system in multiple ways.
Checking with DXDIAG
-Type "DXDIAG" into the search field in Windows, and check the Display tab
-Check the name of the device.
If you already have an NVIDIA driver installed, you can check in the NVIDIA Control Panel
-Select Help from the top navigation bar.
-Select System Information.
-The model of GPU will show in the Items section.