Intel quarterly revenue rises 25 percent

SAN FRANCISCO (Reuters) - Intel Corp <INTC.O> posted a 25 percent jump in first-quarter revenue to $12.8 billion, beating estimates even as the PC chip heavyweight struggles to find its footing with smartphones and tablets.

Intel's first-quarter net income was $3.2 billion, up 29 percent over the year-ago period. Earnings per share were 56 cents.

Analysts had expected first-quarter revenue of $11.59 billion, according to Thomson Reuters I/B/E/S.

Shares of Intel rose 3.5 percent in extended trading after closing up 1.22 percent on Nasdaq.

(Reporting by Noel Randewich; Editing by Richard Chang)