AMD Athlon 64 X2 Dual-Core 4600+ 2.4 GHz Processor with 89-Watt Power Socket AM2 by AMD. $21.99. From the Manufacturer                 The AMD Athlon 64 X2 Dual-Core processor puts the power of dual-core technology on the desktop. Dual-core processors contain two processing cores, residing on one chip, that perform calculations on two streams of data, thereby increasing efficiency and speed while running multiple programs and the new generation of multi-threaded soft...