2.7GHz dual-core Intel Core i7 processor with 4MB shared L3 cache/ DDR-3 4G/ HDD 500GB/ Intel HD Graphics 3000 processor with 384MB of DDR3 SDRAM shared with main memory/ Display 13.3” LED-backlit Glossy WXGA (1280 x 800).
2.2GHz quad-core Intel Core i7 processor with 6MB shared L3 cache/ DDR-3 4G/ HDD 750GB/ Intel HD Graphics 3000 and AMD Radeon HD 6750M with automatic graphics switching (1GB GDDR5)/ Display 17” LED-backlit Glossy WXGA (1920 x 1200).
2.2GHz quad-core Intel Core i7 processor with 6MB shared L3 cache/ DDR-3 4G/ HDD 750GB/ Intel HD Graphics 3000 and AMD Radeon HD 6750M with automatic graphics switching (1GB GDDR5)/ Display 15.4” LED-backlit Glossy WXGA (1440 x 900).
2.0GHz quad-core Intel Core i7 processor with 6MB shared L3 cache/ DDR-3 4G/ HDD 500GB/ Intel HD Graphics 3000 and AMD Radeon HD 6490M with automatic graphics switching (256MB GDDR5)/ Display 15.4” LED-backlit Glossy WXGA (1440 x 900).
2.3GHz dual-core Intel Core i5 processor with 3MB shared L3 cache/ DDR-3 4G/ HDD 320GB/ Intel HD Graphics 3000 processor with 384MB of DDR3 SDRAM shared with main memory/ Display 13.3” LED-backlit Glossy WXGA (1280 x 800).