Intel i3 VS i5 VS CORE 2 DOU

Comparatia am facut-o direct intre Core2Duo si Core i3, nu intre Core2Duo si diverse alte procesoare cu Hyper-Threading, dintr-un motiv clar: i3-ul a aparut pe piata ca inlocuitor direct al lui Core2Duo, cu alta arhitectura, cu alte caracteristici/capabilitati (HT, grafica integrata etc).

Nu;
i3 au apărut ca înlocuitoare ale Pentium Dual Core - low end,
i5 ca înlocuitoare ale Core 2 Duo - mainsteram,
i7 ca înlocuitoare ale Core 2 Quad - high end.

The first Nehalem based Core i3 was Clarkdale-based, with an integrated GPU and two cores. The same processor is also available as Core i5 and Pentium, with slightly different configurations.

Core 2 Duo processors typically use the full L2 cache of 2, 3, 4 or 6 MB available in the specific stepping of the chip, while versions with the amount of cache reduced during manufacturing are sold for the low-end consumer market as Celeron or Pentium Dual-Core processors. Like those processors, some low-end Core 2 Duo models disable features such as Intel Virtualization Technology.

The first model in this series is the Pentium G6950. The Clarkdale chip is also used in the Core i3-5xx and Core i5-6xx series and features a 32 nm process (as it is based on the Westmere microarchitecture), integrated memory controller and 45 nm graphics controller and a third-level cache. In the Pentium series, some features of Clarkdale are disabled. Compared to Core i3, it lacks Hyper-Threading and the graphics controller in the Pentium runs at 533 MHz, while in the Core i3 i3-5xx series they run at 733 MHz.

With the Nehalem microarchitecture, Intel introduced a new naming scheme for its Core processors. There are three variants, Core i3, Core i5, and Core i7, but the names no longer correspond to specific technical features like the number of cores. Instead, the brand is now divided from low-level (i3), through mid-range (i5) to high-end performance (i7), which correspond to three to five stars in Intel's Intel Processor Rating as opposed to the entry-level Celeron (one star) and Pentium (two stars) processors. Common features of all Nehalem based processors include an integrated DDR3 memory controller as well as QuickPath Interconnect or PCI Express and Direct Media Interface on the processor replacing the aging quad-pumped Front Side Bus used in all earlier Core processors. Also, all these processors have 256 KB L2 cache per core, plus up to 12 MB shared level 3 cache. Because of the new I/O interconnect, chipsets and mainboards from previous generations can no longer be used with Nehalem based processors.

i3 e pe socket mai nou decat core 2 duo

am vazut ca ai mentionat i5---- pai i5-ul are 4 core-uri