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" Sony&amp;#039;s PlayStation 4 will run at a significantly cooler temperature than the PlayStation 3, making it less likely to overheat. Extensive testing by US government agency the FCC has revealed that the console will run at between 5 and 35 degrees Celsius, compared to its predecessor&amp;#039;s average of between 45 and 55.  The system will weigh in lighter than the original model of the PS3 at 2.8kg, with the older console weighing 5kg, Engadget reports. However, it weighs slightly more than the latest slimline model of the PS3, which ranks at 2.1kg. The FCC&amp;#039;s consumer arm also measured the PS4&amp;#039;s maximum clock efficiency at 2.75GHz. The PS4 will launch this holiday for $399 in North America and \u00A3349 in the UK. The console will launch alongside titles including Killzone: Shadow Fall, Drive Club and Knack. &amp;amp;gt; Xbox One, PS4: Hands-on impressions of the new controllers - E3 2013 Watch Mark Cerny talking to Digital Spy about the PlayStation 4 below:      Gallery - PS4 images:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/gaming/ps4/news/a500626/ps4-cooler-lighter-than-ps3-fcc-test-confirms/>