R7 250 2GB vs HD 7770

Which one should I choose?

R7 250

http://www.newegg.com/Product/Product.aspx?Item=N82E16814202052

 

HD 7770

http://www.newegg.com/Product/Product.aspx?Item=N82E16814202011

IMO: 7770 - only 1GB but more stream processors and much faster memory (GDDR5 not 3).

Save up for a 7850, that is what I would do if it was my money. Prices will probably drop soon on those too.