nVidia Geforce 6150 VS ATi Radeon Xpress 200G
 

Link: http://www.hkepc.com/hwdb/c51-firstlook-1.htm

Brief:
nVidia has recently launched the K8 IGP Chipset - C51G and C51PV, they have integrated NV44 Graphic Core and Support DirectX 9.0c and SM3.0. We have got the C51PV and C51G samples from Albatron , AsRock and MSI to compare with ATi Xpress 200G

benchmarks here: http://www.hkepc.com/hwdb/c51-firstlook-test.htm