Which CPU is better?

I am looking at 2 identically priced CPU's and I am wondering which one would be hands down better. (for gaming, & fsx)
A Pentium D dual core 960, 3.6GHz, with 800mhz fsb
or
Intel Core 2 Duo E6420, 2.13GHz, with 1066 MHz fsb
Thanks!
A Pentium D dual core 960, 3.6GHz, with 800mhz fsb
or
Intel Core 2 Duo E6420, 2.13GHz, with 1066 MHz fsb
Thanks!