You're ignoring that we don't want the same thing. I don't want a processor that allows me to play games "smooth". I want a processor that allows me to play at 120fps
constant with all the eye candy turned on. PhenomII is unable to do that at sane frequencies. It's freaking hard for an AMD CPU to do that, specially in "old" games that only use 1 core because of the low perfomance per core. With a 120Hz each single fps until you reach 120 is noticeable, plain and simple. 40 vs 60, 60 vs 80 is a
huge difference. If PhenomII is
enough for you then good for you and good for AMD, but here it just doesn't cut it. I will give you an example: playing TF2 with C2Q and i5, both at 4GHz. The C2Q is unable to provide constant 120fps, with minFPS in the 80-90's. The i5 is playing at 120fps constant.
Big difference in gameplay, in a CPU limited game. There are
loads of them out there if you use a fast GPU, and for 1680x1050 with AA the 5850 is a fast GPU. Is TF2 an old game?

Of course you won't notice this with a 60Hz monitor, but I do notice it. I don't buy the the typical "(insert low random number of fps here) is enough for smooth gameplay" BS, sorry.
In your Anand link you can see it clearly: AMD CPUs need a much higher frequency to reach Intel.
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