The company reported net income of US$3.2 billion on a GAAP (generally accepted accounting principles) basis for the quarter ended on April 2, up 29 percent compared to the same quarter a year ago. The company reported earnings per share of $0.56.

Intel reported revenue of $12.8 billion for the first quarter, growing by 25 percent compared to the year-ago quarter. Analysts polled by Thomson Reuters estimated revenue to be $11.6 billion.

Intel earlier this year completed the acquisitions of security company McAfee and Infineon's wireless division, which contributed around $500 million to the first-quarter revenue, said Stacy Smith, Intel's chief financial officer, in a statement. The company announced new Sandy Bridge processors and also fixed the Cougar Point chipset design issue associated with new processors without any revenue impact.

The chip maker on Jan. 31 by approximately $300 million during the first quarter.

Revenue for the Intel Architecture Group during the quarter was $12.2 billion, which was up 23 percent year over year. Revenue for the PC Client Group, which offers laptop and desktop chips, was $8.6 billion, up 17 percent year over year. Revenue for the Data Center Group, which offers products for servers, storage and workstations, was $2.5 billion, up 32 percent year over year.