BARGAIN AMD CPU - "Does AMD FX 4300 have what it takes to beat AMD Athlon II x2 240? AMD FX 4300 has 1000Mhz higher clock speed than AMD Athlon II x2 240 and AMD FX 4300 has 4 Cores while AMD Athlon II x2 240 has 2 Cores. Another advantage for AMD FX 4300 is that it has 4MB Level3 Cache while AMD Athlon II x2 240 has none. It would appear that AMD FX 4300 has all of advantages but AMD Athlon II x2 240 has some because it is 35% more Power Efficent compared to AMD FX 4300. In this Bargain CPU Review we have decided that for AMD FX 4300 to win then result must be by more than 35%."