http://www.techpowerup.com/65649/R700_Supports_4-way_Crossfire_X.html

R700 Supports 4-way Crossfire X

“AMD has already built a computer that has four 4870X2s in it. So it has eight GPUs; drivers will not be supporting eight GPUs at this point of time.”

前面講得很帥，後面那句就漏氣了….XDa

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http://www.theregister.co.uk/2008/07/11/ibm_power7_ncsa/

IBM’s eight-core Power7 chip to clock in at 4.0GHz

NCSA的系統有10PetaFLOPS、620TB memory和5PB/s的記憶體頻寬….結果記憶體頻寬看起來和Power6(75GB/s)相比小了一半，而且考慮39800個CPU來分5PB/s，128GB/s的頻寬又和4ch DDR3-1600很像，看來那個Socket-G34好像開始真的可疑起來了。

….單位記憶體頻寬幾乎是變成1/4，老實說看起來是不太漂亮。orz