![]() If you *did* attach internal components directly to the bottom, then you would want it to be plastic. Apple refuses to put ventilation holes in the bottom. That's actually why the Macbook Pro 15 has heating problems despite using a 37W TDP CPU (the lowest power quad core Intel makes). For any heat to dissipate through the bottom case material, it has to first transfer through the air, which is an almost negligible amount.Īll the base needs is sufficient ventilation holes so this airflow from the fans is unimpeded. Consequently, the vast majority of cooling comes from the fans venting the interior air outside. There's a thick layer of air in between, and air is a much better insulator than, well, just about anything except vacuum. The internal components aren't connected directly to the bottom. Solandri - Monday, Februlink Plastic or aluminum for the bottom is mostly irrelevant.But regardless combined with the decent battery life offered by this notebook, it should be fairly good for travel. That’s not unexpected, with such a large power adapter and a relatively small battery. With a charge time of just 120 minutes, the Y700 is one of the quickest notebooks to go from 0-100% charge. Lenovo ships the Y700 with a 135-Watt power adapter, which is significantly larger than you’d get on a smaller notebook. ![]() The other half of the battery life equation is how long it takes to charge the device. ![]() ![]() The overall battery life and efficiency is nothing like the latest Ultrabooks, but its still a big step forward. This is a good result for a gaming notebook, and the overall run times are now moving devices like the Y700 into the realm of being useful unplugged from power. Without being able to measure individual components, the backlight is likely a major factor here, but the newest CPU and wireless card from Intel are also both in play too. Normalizedįor the normalized results, we divide the runtime by the battery capacity to get an overall platform efficiency result. But still an almost four-hour runtime on the heavy test is a good result for a gaming notebook. On the heavy test, the results are much more in the range of what I was expecting. Clearly Skylake is much better at idle power, and the backlight has a bigger impact on the light test too. Here things come back down to earth a bit. This is a much better result than I would have expected with the 60 Wh battery though. The same narrow-band backlight which caused so much grief on the display testing, likely uses less power since its not covering the entire sRGB color space. The combination of Skylake’s power enhancements along with a new network card have certainly helped. Most gaming laptops struggle to get even six hours of battery life, but the Y700 does very well at around 7.5 hours. ![]() The light results kind of took me by surprise. The heavy test increases the numbers of pages loaded, adds in a movie playback, and a 1 MB/s file download to keep the network card active. The light test is just web browsing, and with Windows 10 we’ve moved from Internet Explorer to Edge for this test, since it’s the default browser. To test battery life, we run the devices through two tests, both with the display set to 200 nits to keep the test as comparable as possible. Otherwise the more hardcore gaming laptops can struggle to get only a few hours, but then other devices like the Razer Blade achieve pretty reasonable runtimes. With that said, the Lenovo Y700 only has a 60 Wh battery, which is unfortunately only barely larger than the average Ultrabook. But with Optimus to limit GPU power consumption and a larger chassis to accommodate a big enough battery, it can be acceptable. When you think of a gaming laptop, battery life is generally not something that springs to mind. ![]()
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