Apple has reported revenue of $13.5bn in the second quarter of fiscal 2010, an increase of 49% compared to $9.08bn in the same period last year. International sales accounted for 58% of the revenue.

During the quarter, Apple sold 8.75 million iPhones, representing 131% unit growth over the year-ago quarter. Macintosh computer unit shipments rose by 33% to 2.94 million, while iPod shipments were down by 1% to 10.89 million compared to same period a year-ago.

Gross margin was 41.7%, up from 39.9% in the year-ago quarter. The company posted an operating income of $3.98bn, compared to $2.32bn in the same period last year.

For the quarter ended March 27, 2010, the company posted net profit of $3.07bn, up 90% compared to $1.62bn in the same period a year ago. Earnings per share was $3.33 compared to $1.79 per diluted share, in the year-ago quarter.

Steve Jobs, CEO of Apple, said: “We’re thrilled to report our best non-holiday quarter ever, with revenues up 49% and profits up 90%. We’ve launched our revolutionary new iPad and users are loving it, and we have several more extraordinary products in the pipeline for this year.

Looking ahead, the company expects revenue to be in the range of about $13bn to $13.4bn and diluted earnings per share in the range of about $2.28 to $2.39 in the third fiscal quarter of 2010.