Noon News: Nvidia Revises GTX590, Amazon Kindle Is Top Selling E-reader, iPhone 4 In Guinness World Records

Chip maker Nvidia is planning to launch a revised model of their problematic dual-chip GeForce GTX 590 graphics card, according to a new media report. The report, published on the VR-Zone website, also claimed that the new version of the GTX590 is likely to be more “overclockable" than the previous one.

Microsoft’s Windows 7 OS is five times more secure than the aging Windows XP operating system, the company has reported. According to a threat report released by the software giant, the Windows 7 malware infection rate has risen by more than 30 percent in the second half 2010.

Amazon’s new ad supported Kindle e-reader has become the top selling electronic device on its online retail platform. As usual, the company did not divulge the exact sales figures of the $114 e-reader, but it is now on top of Amazon’s list of best-selling electronics. The ad-supported Kindle is followed by the Kindle Wi-Fi graphite, which is available for $139, in second place.

Hackers used the cheap but powerful computational resources offered by Amazon’s EC2 cloud computing service to launch their attack on Sony’s PlayStation Network servers. People familiar with the matter have told Bloomberg that a hacker used the EC2 service to hack into the servers, resulting in what is being termed as the largest data breach in a long time.

Apple’s iPhone 4 and App Store have been awarded records in the Guinness World Records 2011 Gamer’s Edition. The iPhone 4 was awarded the title of the fastest selling portable gaming device in the world, selling 1.5 million units on June 24, 2010, the first day of its launch. In comparison, the PSP sold 200,000 units on its launch date while the DS took a week to sell 500,000 units.