VMWare installation in Mac OS, the need for virtualization technology?

VMWare installation in Mac OS, whether the CPU supports virtualization technology?

My CPU is a Core 2 Duo T5800, supporting 64 operating system, but does not support virtualization technology. Some people say can not be installed in a virtual machine, the only physical machines equipped.
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If a virtual machine, it looks like can hold, but the giant slow. .

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Can be installed, but the speed boast ...
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Why is slow?

reference to the second floor xiao_e1 reply:

can hold but the speed flattered ...

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Need to open the virtual CPU
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Cpu does not support virtualization is installed can not. Installed three black Apple passing. .
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Require virtualization.