physical difference between K and non-K

[ckooii]

is there any real physical difference between k and non-k intel processors? talking about 3570 for example. Please answer if you really know, dont just guess

 

[madmatt30]

A trace on the chip die is physically severed on the non -k chips , this is what disables overclocking options

 

[ko888]

The i5-3570K has Intel HD Graphics 4000.

The i5-3570 has Intel HD Graphics 2500 as well as Intel vPro Technology and Intel Virtualization Technology for Directed I/O (VT-d).