Sony it slowly closing the gap between its PS3 console and Nintendo's Wii in Japan according to new sales figures announced.

Although Nintendo's Wii games console outsold Sony's PS3 console by a ratio of 4 to 1 in Japan, according to games magazine publisher Enterbrain, sales have fallen from 6 to 1 in favour of the Wii in June.

According to the mag, Nintendo sold 396,752 units of the Wii in the five weeks ended July 29, compared with 91,987 units of the PS3.

However both consoles were streets ahead of Microsoft's Xbox 360. It managed sales of 17,970 units in July in Japan, Enterbrain data showed.