Quake 3 Arena
Quake 3 Arena is definitely able to benefit from DDR SDRAM quite nicely. 177.6 fps is the highest score I have ever seen at 640x480x16. The Athlon 1000/100 in Gigabyte's GA-7DX is looking good too and so is the P3 933 in VIA's VT8633 reference platform.
More about dram
