Intel Core i7-720QM SLBLY 1.6GHz 6MB Quad-core Mobile CPU Processor Socket G1 988-pin Frequency: 1600 MHz, Bus speed: 2.5 GT/s DMI Clock multiplier: 12 , Socket G1 L2 cache: 4 x 256 KB , L3 cache: 6MB 4 cores, 8 threads, Power: 45 Watt Warranty:3 month