The RAM of an Intel Pentium 4 processor was as high as 1GB or 2GB. The chips were made between 2000 and 2008 before being replaced by dual core chips.
Intel Pentium processor
The Intel Pentium 4 3.0 GHz processor is a single core processor, but if you'd like to upgrade to dual core, have a look at the Intel Pentium 4 531 3.0GHz Processor Upgrade RH008AV.
Yes.
That would require purchasing a new motherboard, processor, and power supply.
All Pentium 4 processors support SSE2.
If you are actually able to see the processor die, you should be able to read the text written on the top of the processor.
It is equivalent to Pentium III- and early Pentium 4-based Celerons.
No. The Intel Core 2 Duo is much faster than the older Pentium 4.
No Intel Pentium 4 processor was ever manufactured running at a clock speed of 500MHz. However, the previous product line, the Pentium III, had several variants running at that clock speed.
yes
Socket 478.
The processor is capable of addressing up to 4 GB of RAM. Chipset / motherboard limitations may make the possible max for a system less than that.