The Intel EM64T architecture was previously known as
IA-32e, Clackamas Technology (CT), and Yamhill.</p>
<p>The AMD Opteron™ and AMD Athlon™ 64 processors
<p>The AMD Opteron™, AMD Athlon™ 64, AMD Turion™ 64
use the AMD64 architecture.</p>
and newer AMD Sempron processors use the AMD64 architecture.</p>
<h3>Status:</h3>