There is no GT 920. Nvidia no longer make low end desktop GPU!
http://www.geforce.com/hardware/desktop-gpus?keys=&field_gpu_series_value=900&=Apply
The weakest of the 900 series is GTX 950
The GT 920M is a rebrand of Kepler GT 730M which is pretty old and weak but it should be fine as long as you stick at 720p
http://www.notebookcheck.net/NVIDIA-GeForce-920M.138763.0.html
http://www.geforce.com/hardware/desktop-gpus?keys=&field_gpu_series_value=900&=Apply
The weakest of the 900 series is GTX 950
The GT 920M is a rebrand of Kepler GT 730M which is pretty old and weak but it should be fine as long as you stick at 720p
http://www.notebookcheck.net/NVIDIA-GeForce-920M.138763.0.html
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