Two variants of Tablet Z2 Wifi?

[Giorgetti]

I would buy Xperia Z2 tablet wifi, but I found two variants: 

Z2 "SGP511" and Z2 "SGP511E2"

What are the differences? 

Thanks

[Uliwooly · Accepted solution]

They seemed to be the same tablet but perhaps for a different region

http://www.sony.co.uk/electronics/xperia-tablet-z/sgp511-sgp512-sgp521/specifications

http://www.sony.es/electronics/xperia-tablet-z/sgp511-sgp512-sgp521/specifications

[Giorgetti]

Thank you 

[Uliwooly]

Anytime