The net loss at Tokyo-based Sony may have widened to 75.8 billion yen ($630 million) in the fiscal fourth quarter ended March 31, from 66.5 billion yen a year earlier, according to the median estimate of 11 analysts surveyed by Bloomberg. Sales probably rose 9.5 percent to 2.02 trillion yen, the survey showed.

PlayStation 3 is being outsold by Wii by about two to one, causing Sony' s game division, its second-largest by revenue, to post a fourth-quarter loss of 121 billion yen (US$1 billion) and a record 245 billion yen deficit for the fiscal year, according to five of the 11 analysts. The loss may exceed profits from electronics such as Bravia televisions, and the movie unit, whose ``Spider-Man 3' ' generated record box-office sales when it opened this month.

Sony sold 501,000 PlayStation 3 consoles in the U.S. from January to March, compared with Wii sales of 1.03 million, according to market researcher NPD Group Inc., based in Port Washington, New York. Microsoft sold 721,000 Xbox 360 players.