I have a 6800u on the way for my old rig.
It's a evga with stock 425/1100 clocks.
I would say 90% of the 6800u's would hit 440 core
and 1200 memory. I'll let u know soon as I get mine. "lol"
Since I'm using a LCD monitor at only 1280/1024 res this 6800U
should do just fine for gaming. It needs to do me for 12 to 18 months