Dell Latitude E7440: Performance: The Core i7 chip inside this machine is a low-power processor, so its specs are a mix of high-end performance and inevitable compromises. The regular 2.1GHz clock speed is decent, and Turbo Boosts up to 3.3GHz, but the chip only has two hyperthreaded cores – the full-power mobile Core i7 has four cores. The chip is paired with Intel HD Graphics 4400, and comes with a generous 8GB of memory The keyboard and trackpad stay cool, Dell Latitude E7440 Laptop Battery
Life The Latitude comes with a removable 47Wh Dell Latitude Battery, but this machine doesn’t have the option of fitting a larger one. At least you can buy a spare 47Wh Dell Latitude E7440 laptop battery for £107. If that’s a bit too much, a 34Wh battery is available for £90. In our PowerMark test, theDellLatitude E7440 Laptop Battery
lasted 6 hours and 4 minutes. That’s a reasonable score, and better than the Lenovo’s. We plug the laptop back in and measure the laptop battery after 30 minutes of charging. During this time
Dell Latitude E7440 Laptop Battery
charged to 31%, which is not far behind the Sony, but still far behind the Lenovo, which has a fast charging system and can charge to 77% in just 30 minutes.
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