pentium mmx
As with any electronic product be it software or hardware, one can find the latest Pentium-core processor available at the Christmas season. Pentium-core processors are associated with the Dell company.
The low-end Pentium processor that targeted the low-end PC multimedia and home market segments was the Pentium MMX. This processor is however obsolete.
No. No processor is, or ever has been, marketed as a "Pentium 5."
Intel i7 processor
There are no "ports" on a Pentium processor.
Nobody, since there is no Pentium 5 processor.
There is no "Pentium R" processor. Knowing this, the biggest difference is that the Pentium III exists and the other does not.
The latest processor made by AMD is the AMD A10-7850K. It is used in desktops and laptops. The latest processor from Intel is the Intel Core M processor.
The first Pentium processors (Pentium 60 - 66). A Pentium OverDrive processor is also available for it.
A Pentium 4 processor, and a motherboard that supports it.
Probably the Pentium Dual-Core, as it is the most recent processor to bear the Pentium name.
No get yourself a pentium 2 jackass.