Help Me Choose: Graphics

 
GraphicsIntel® HD Graphics 615Intel® HD Graphics 620Intel® ® Iris™ Plus Graphics 640Intel® HD Graphics 630NVIDIA GeForce® GTX 1050 with 4GB GDDR5 graphics
Systems SupportedXPS 13 2in-1XPS 13XPS 13 XPS 15XPS 15
Discrete/Integrated integratedintegratedintegratedintegrateddiscrete
Discrete Memory N/AN/AN/AN/A4GB
Graphics Memory Interface 128 bit 128 bit128 bit128 bit128 bit
Memory Type LPDDR3LPDDR3 LPDDR3LPDDR3GDDR5
DirectX 1212121212
Dual Display Support YesYes YesYesYes
NVIDIA Optimus™ Technology N/AN/AN/AN/AYes
NVIDIA PhysX® capable N/AN/A N/AN/AYes