Well for vertcoin its even worse sub 200.  But for LTC the best I can get is around 450 which is around 200 less than the old cudaminer could do.

cudaminer -d gtx780ti -H 1 -l t15x20 -C 2 -i 0

15x20 got me around 479.  Anything else starts to go low weather the number goes up or down.