Dell Alienware 15 (Early 2015) - Manual (Page 12)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touch Pad Power Adapter Camera
Communications
Battery
Video Audio
Display
Media-Card
Reader
Keyboard
Video
Controller Memory
Integrated Intel HD Graphics 4600 Shared system memory
Discrete • NVIDIA GeForce GTX 965M
• NVIDIA GeForce GTX 970M
• NVIDIA GeForce GTX 980M
• AMD Radeon R9 M295X • 2 GB GDDR5
• 3 GB GDDR5
• 4 GB GDDR5
• 4 GB GDDR5