the ACHI Link Power Management especially may be beneficial. Try lowering these values (but not to 0ms) and you may see differences in your C7/C8 states. Things especially like shadows behind windows and shadows behind mouse pointer are so useless and I never even knew there were such shadows until I discovered this ‘Performance Options’ window. To do so, go to Control Panel > System and Security > System > Advanced System Settings > Performance Settings and uncheck things you don’t need. Disabling effects like shadows will reduce the amount of rendering done by dwm.exe. But of course, the Photos app is no substitute for Photoshop, for example.ĭesktop Windows Manager (dwm.exe) renders things related to mouse movements, window movements, animations etc. If you don’t need all the features of Office, for example, you can use the mobile, UWP version of it. The latest build of Windows 10 (1803/Redstone 4/Spring Creators Update) supports faster browsing and better battery life.Īvoid replacing UWP programs with win32 programs if you can. When watching a 720p video, Films and TV used 1.4-1.6W of power, whilst VLC used 2.5-3W.Ĭhrome and Firefox both may have improved their battery life, but so has Edge. This video player is far more energy efficient than other alternatives such as VLC. Watching videos? Use the built in Films and TV app in Windows. With the latest Spring Creators Update, Edge is better. I’ve replaced Chrome and Firefox with Edge on quite a few machines (mine and my friends’) and saw quite significant gains in battery life. You may have seen LinusTechTip’s video regarding battery life and Edge, but personally I don’t agree with his testing and his results were far different to mine. As well, Edge used 1.4-1.7W of CPU power when I was streaming a YouTube movie compared to 2W+ on Chrome and Firefox. Example:Įdge, on average, used 1W less power when running a webpage with a few ads. Use Microsoft Edge + Films and TV (Basically use UWP Programs)Ĭhrome is so inefficient I completely ruled it out when I did my battery test. I mean, is Adobe Updater really that important? And it’s not like you need Steam either because you certainly aren’t going to get good battery life whilst gaming. You should be able to disable most of the things here. On idle and a 0% brightness setting with no programs in the background (just windows desktop), modern & optimised:ġ3" laptops with a 5th gen + Y CPU should idle at less than 3W - Aim for 2Wġ5” laptop with a 4th gen + u/Y CPU should use on average Startup.ĭisable all the things you don’t need. To get your battery’s capacity in Whrs, multiply the voltage by the amp-hour rating. In some laptop line-ups, the battery capacity has actually reduced, such as the Aspire E15 series. Manufacturers now think that if new hardware is more efficient then the need for a large battery has reduced. With manufacturers chasing for thin and light systems, we haven’t seen much innovation in battery capacity and soon will have laptops so thin they'll slit our fingers when we touch them. Both can be tailored to your degree of specification, and this guide goes into high detail regarding the running on battery profile, making every single milliwatt count and going to extremes to accomplish it. You can follow this guide step by step, or just partially, but its important to read through it all and understand the basic concept of what is the main goal, which is to create two profiles, one performance and one battery, to maximize what we get from our machines. All credit goes to him, I just figured I'd tailor the post to usage on modern thinkpads and make it available to users of the subreddit. Disclaimer: Based heavily on this post by Che0063 of the Notebookreview forum.
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