The three flavors will have a single chip - this includes the GeForce 7050, 7100 and 7150 IGPs.
nForce 610i GeForce 7050
nForce 630i GeForce 7100Socket 775 800MHz/1066MHz FSB 4GB DDR2 667MHz single-channel memory support NVIDIA GeForce 7050 DirectX 9 GPU PCI Express x16, PCI Express x1 LAN 10/100 5.1 Audio HD 4 USB ports Mini ITX
nForce 630i GeForce 7150Socket 775 1333MHz/1066MHz/800MHz FSB 4GB DDR2 800MHz single-channel memory support NVIDIA GeForce 7100 DirectX 9 GPU HDMI/DVI and HDPC support PCI Express x16, PCI Express x1 4 Serial ATA II ports + RAID 0, 1, 0+1 and 5 support LAN 10/100/1000 7.1 Audio HD 4 USB ports Micro ITX
Socket 775 1333MHz/1066MHz/800MHz FSB 4GB DDR2 800MHz single-channel memory support NVIDIA GeForce 7150 DirectX 9 GPU HDMI/DVI and HDPC support PCI Express x16, PCI Express x1 4 Serial ATA II ports + RAID 0, 1, 0+1 and 5 support LAN 10/100/1000 7.1 Audio HD 4 USB ports Micro ITX