Intel Core i3, Core i5, Core i7 processors appeared on the market and are widely used because they are durable and are composed of original circuits.
CPU power to influence the reaction speed of the device's controls, and ability to work quickly in conditions which must fulfill several tasks. For example, if the computer copies the data from the internet and at the same time you want to watch an HD movie and send a mail with attachments high, then a good processor will help you accomplish these tasks quickly and without any problems (without lock computer and having to go into task manager).
Much of ultrabooks, laptops and desktops run on Intel processors. The latest generation of processors called "Ivy Bridge", keeping the entire suite of its predecessor names "Sandy Bridge", marketed under the name Intel Core i5 and Intel Core i7. Intel Core i3 is available with Sandy Bridge architecture. What is important to know is that, including within the category i3 for example, found several variants of processors, even if the same name.
Ivy Bridge and Sandy Bridge architecture uses all its related technologies, and changes will be observed GPU, which now has 16 stream processors and texture units version 2 performance - HD 4000. Thus, each Stream Processor is nearly twice faster than the previous version, increasing performance considerably. Hyper-Threading is improved and has a low power consumption. Memory controller supports DDR3L (with voltages up to 1.35V) and 1600 MHz frequencies to achieve the 2800 MHz in overclocking.
If you want a simplified response to address the differences between the three types of processors listed, Core i7s out perform Core i5s, and both are better than Core, 3S. And no, not seven core Core i7 and Core i3 or not three. The numbers are only indicative indicative of processing power. Evaluation of processing power is done by Intel Processor Star rating. This standard evaluation takes into account both the number of cores, clock speed (measured in GHz), the size of caches, but the presence or absence of new technologies like Turbo Boost and Hyper-Threading. As the number of cores increases, can be met while many tasks.
It is considered an entry-level processor in Sandy Bridge that category not found even in the Ivy Bridge family. While not the fastest and powerful family Intel can juggle well with most applications.
Intel Core i5
All processors Ivy Bridge Core i5 quad-core type are with Turbo Boost, Hyper-Threading, 2500 IGP integrated graphics processor and a clock speed of 1150 MHz for.
Intel Core i7
Intel Core i7 series currently offers four types of processors for desktop Ivy Bridge Core i7. This processor is aimed especially those using advanced video editing applications, 3D or photo editing programs.