Solved what does the letters mean in i core series

[nfsworldpinoy]

for example intel core i7-2500K <--- K ????
there are others
K
M
P
T
E
S
QM
C
QE
U
LE
UE
ME
XM
X

what does they mean, pls tell me what are they for
for example K is for gaming, X is for extreme gaming, M for mobiles like that i dont know the others

 

[Dwarf]

Here you go: http://www.intel.com/content/www/us/en/processors/processor-numbers.html

 

[nfsworldpinoy]

pls arrange them to top to bottom (the highest peak/top is the best)
example:
X- 1st fastest
K- 2nd fastest
QM- 3rd fastest
pls arrange them who is the best

 

[Dwarf]

The letters indicate features and/or properties of specific processors (note that not all processors will utilise the same number of letters in their identification). For example, K indicates an unlocked core.

For actual processor capabilities, see: Intel Processor Comparison

 

[Zepher]

The letters indicate features and/or properties of specific processors (note that not all processors will utilise the same number of letters in their identification). For example, K indicates an unlocked core.

For actual processor capabilities, see: Intel Processor Comparison

X and K mean unlocked multiplier