The 2.3GHz model has a 2.3GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache, 2GB of 1333MHz DDR3 memory, a 500GB (5400-rpm) hard drive, Intel HD Graphics 3000 processor with 288MB of DDR3 SDRAM shared with main memory and it is Configurable to 4GB or 8GB of RAM and a 750GB (7200-rpm) hard drive.
The 2.5GHz Model has a 2.5GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache, 4GB of 1333MHz DDR3 memory, a 500GB (5400-rpm) hard drive, AMD Radeon HD 6630M graphics processor with 256MB of GDDR5 memory and it is Configurable to a 2.7GHz dual-core Intel Core i7, 8GB of RAM and 256GB solid-state drive or 256GB solid-state drive and 750GB (7200-rpm) hard drive.