The Reviewed CPUs

In the tables below, we compare the main features of the CPUs we included in this review. The Core i7-3770K and the Core i7-2600K support Hyper-Threading technology, which simulates a processing core in each physical core available. Therefore, these processors are recognized as eight-core CPUs by the operating system.

CPU Cores HT Internal Clock Turbo Clock Max Turbo Core Technology TDP Socket Price*
AMD FX-8150 8 No 3.6 GHz 3.9 GHz 4.2 GHz Zambezi 32 nm 125 W AM3+ USD 250
Core i7-2600K 4 Yes 3.4 GHz 3.8 GHz 3.8 GHz Sandy Bridge 32 nm 95 W 1155 USD 310
Core i7-3770K 4 Yes 3.5 GHz 3.9 GHz 3.9 GHz Ivy Bridge 22 nm 77 W 1155 USD 313

* The prices were researched at on the day we published this review, except for the Core i7-3770K, which is the price provided by Intel.

TDP stands for Thermal Design Power which advises the user of the maximum amount of heat the CPU can dissipate. The CPU cooler must be capable of dissipating at least this amount of heat. It is important to see how the Thermal Dissipation Power (TDP) of the new Core i7-3770K dropped to 77 W, thanks to the new manufacturing process. (Usually, the smaller the manufacturing process is, the less heat is generated.)

Below we compare the memory cache configuration of the reviewed CPUs. The L2 memory cache of the AMD FX-8150 is shared by each pair of cores, thus it has four L2 caches instead of eight.

CPU L1 Cache (I + D) L2 Cache L3 Cache Memory Support Memory Channels
AMD FX-8150 64 kB per module + 16 kB per core 8 MB x 4 8 MB total Up to DDR3-1866 Two
Core i7-2600K 32 KB + 32 KB per core 256 KB per core 8 MB total Up to DDR3-1333 Two
Core i7-3770K 32 KB + 32 KB per core 256 KB per core 8 MB total Up to DDR3-1600 Two

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.