AMD Phenom II X2 555 BE processor
The dual core Phenom ii 555 processor is clocked at 3.2 GHz and is the highest clocked dual core phenom ii processor available for purchase in the market at the time of writing (The Phenom ii X2 560 is about to be released and will supersede Phenon ii 555 as the highest clocked Phenom ii dual core processor).
The Phenom ii 555 will fit in the motherboards supporting AM3 socket. Besides 2 x 128K L1 cache and 2 x 512 KB L2 cache, the Phenom ii 555 also has 6 MB of L3 cache. The L3 Cache leads to somewhat better performance as compared to the similarly clocked L3 Cacheless Athlon ii processors.
The Phenom ii 555 has integrated DDR3 memory controller and high speed differential HyperTransport Bus at 4000 MT/s to communicate with the chipset. The TDP rating of just 80 Watts means that there is a room for the overclocking.
The drawback of the 555 is that it has just 2 cores and this is just not good enough for environment needing multiple threads at a time. The Phenom ii dual core 555 is, for example, slower as well as more expensive than the triple core Athlon II X3 440. So what is the logic of buying the Phenom ii 555 instead. The answer is – its ability to overclock.
The Phenom ii 555 can be easily be overclocked by changing its multiplier in the BIOS of your choice. This ability makes this this CPU favorite for overclocking fans. The CPU is priced at less than $100, you get the overclocking advantage at a budget price.