MSI Radeon HD 7770 vs xfx HD 7770 ?

[motella]

MSI Radeon HD 7770 vs xfx HD 7770 ?

What's the difference? I bought the xfx cuz its cheaper but what makes the msi edition of the 7770 more expensive?

Thanks in advance

 

[bigcyco1]

The MSI is factory overclocked higher