What's the difference between these two 2GB kits?

[Vageetasjn]

http://www.newegg.com/Product/Product.asp?Item=N82E16820231032

and

http://www.newegg.com/Product/Product.asp?Item=N82E16820231034

So... what is the difference between these?

Thanks

 

[Ricemarine]

One uses Infineon B chips while the other ones are Infineon Winbond UTT chips.

 

[Vageetasjn]

So the more expensive one will likely overclock better?