Help Me Choose: Graphics

 
GraphicsIntel® HD Graphics 520Intel® HD Graphics 4600Intel® HD Graphics 515Intel® HD Graphics 620Intel® HD Graphics 530 2GB GDDR5 Nvidia® GeForce GT 750MNVIDIA GeForce® GTX™ 960M 2GB GDDR5 Graphics
Systems SupportedXPS 13XPS 15NEW! XPS 12 NEW! XPS 13NEW! XPS 15 XPS 15 NEW! XPS 15 
Discrete/Integrated integratedintegratedintegratedintegratedintegrateddiscrete discrete 
Discrete Memory N/AN/AN/AN/AN/A2GB 2GB 
Graphics Memory Interface 128 bit 128 bit128 bit128 bit128 bit 128 bit 128 bit 
Memory Type LPDDR3DDR4 LPDDR3LPDDR3DDR4GDDR5 GDDR5 
DirectX 1212121212 12 12
Dual Display Support YesYes YesYesYesYes Yes 
NVIDIA Optimus™ Technology N/AN/AN/AN/AN/AYes Yes 
NVIDIA PhysX® capable N/AN/A N/AN/AN/AYes Yes