Yes. You could also use a propus quad core such as this one: http://www.ebay.com/itm/New-AMD-Athlon-II-X4-Quad-Core-Processor-640-3-0GHz-AM3-95-W-ADX640WFGMBOX-/160822537166?_trksid=p2047675.m1850&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D14874%26meid%3D6467097120550263408%26pid%3D100011%26prg%3D1005%26rk%3D1%26sd%3D290875987343%26. Phenom II's have too much wattage to work on your emachines motherboard. About 95w is the limit for any cpus on your motherboard.