MSI is updating its X-Slim line with a new The review concluded that while the AMD chip's slightly lower performance shouldn't be noticeable to most, the X610 managed less than two hours of battery life under heavy load. Less than two hours is a bit rough, being a low-powered ultra-portable device. Hopefully MSI will make up for the X-Slim X610's lackluster offer by substantially undercutting the X600's $800 asking price.