According to the documents, Intel Core i7-3770 (4 cores with HyperThreading, 3.40GHz, 8MB cache) will deliver the following advantages compared its predecessor Core i7-2600 (4 cores with HyperThreading, 3.40GHz, 8MB cache):
•+7% higher overall SYSmark 2012 score;
•+14% higher overall HDXPRT 2011 score;
•+15% higher Cinebench 11.5 score;
•+13% better ProShow Gold 4.5 result;
•+25% faster performance in Excel 2010;
•+56% faster performance in ArcSoft Media Expresso;
•+192% higher overall 3DMark Vantage score;
•+17% faster performance in 3DMark Vantage CPU benchmark;
•+199% faster performance in 3DMark Vantage GPU benchmark;
SOURCE