I think you are right on par. My old 5950 Ultra used to score 1503 on High Performance settings. Is your score with max settings in the control panel or is everything turned down/off? My scores are in my signature.
AMD FX-8320 Vishera 8-Core 3.5GHz (4.0GHz Turbo)
G.SKILL Ripjaws X Series 16GB (4x4GB)
EVGA SuperClocked GeForce GTX 760 2GB w/ EVGA ACX Cooler
MSI GTX 460 (Dedicated PhysX)