Dell has a reputation in the tech world for making quality devices. But the reality is that this also usually means that its laptops are pricier. In my experience, I’ve found Dell to be a very trustworthy brand that makes quality products that I can count on. The same can be said of the performance of the XPS 16 (9640).
Dell XPS 16 (9640) Laptop Battery
: 10 hours 16 minutes
It feels durable, with a sturdy chassis and a smooth-moving hinge that makes the lid easy to open or close. I can’t tell you how much I love the soft-touch feel of the material used around the keyboard The Intel Core Ultra 7 155H can perform local AI functions very quickly, thanks to its NPU.
While the RTX 4070 L is a powerful GPU, the graphics performance of this laptop is below expectations.
This laptop can be used for playing games, but there are many better gaming laptops on the market that will serve you better.
The XPS 16 does a good job of staying relatively cool. When performing daily office tasks at 200 nits of brightness, the laptop can run for more than 10 hours, which is very good.
Dell says the battery XPS 16with FHD+ display can last up to 28 hours.
I left the OLED version idle and then turned its brightness down to minimum. In my idle battery test, it lasted about 10 hours.
Dell XPS 16 (9640) Laptop Battery
Rating: 5/5
To test battery life, I set the XPS 16 (9640) display to about 200 nits (making the display brightness about 60%), and then ran the Modern Office Battery Test in PCMark 10. This test puts the laptop through a workflow similar to daily office work, such as participating in video conferences, browsing the internet, using various programs, etc.
To my surprise, theDell XPS 16 Laptop Battery
lasted 10 hours and 16 minutes before it ran out of power. I also ran Windows Battery Report, which showed that the Dell XPS 16 (9640) Laptop’s battery life was estimated to be between 10 hours and 22 minutes and 10 hours and 24 minutes. So basically, it’s about the same time as the PCMark 10 Battery Test. Whether you’re working on the go or rushing from class to class at school, this should be enough to keep you going.
Dell XPS 16 (9640) charging.
The Dell XPS 16 (9640) charges using a USB-C charging adapter.
Dell explicitly states that the FHD+ display version of the XPS 16 can last up to 28 hours. However, the battery life of the Dell XPS 16 (9640) laptop is not listed for the OLED model. Out of curiosity, I decided to test the OLED version by leaving the laptop idle and setting the screen brightness to minimum. Overall, theDell XPS 16 (9640) laptop batterylasted for more than 10 hours again before it powered down. As for charging, the laptop comes with a USB-C charging adapter that plugs into one of the USB-C ports for power.
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