Is there a significant difference in the speaker sound quality between the two? Verdict. Hi there. The Lenovo Yoga C940 … As I usually charge my laptop to about 80% to strike a balance between day usage and battery preservation, I find that I get to about 20% maybe 5 - 7 hours later which might seem small but I have more or less no problem with that Lenovo C940 * Power-off mode; requires 65W power supply If you need an extra boost, an hour plugged in can power its Rapid Charge battery to 80%. The 15.6-inch version of Lenovo's Yoga C940 convertible flagship is as bulky and heavy as its peers, but it delivers solid performance and battery life in an attractive package. Though the 4K version of the laptop comes with a hit to battery life, the display is a great option for photographers and other graphics professionals. Lenovo Yoga C940 (15-inch) battery life. In our looping video rundown test, the C940 15 lasted just over nine hours. The Lenovo Yoga C940 14 stands out among ultraportable 2-in-1 laptops with its plus-sized screen, snappy keyboard, and all-day battery life. Its diagonal is 14″ (35.56 cm), and the resolution – 1920 х 1080. While battery life is by no means short, it does see a reduction from last year's model. … Combining sleek portability with up to 15 hours of battery life, the ultrathin C940 will help you power through your day. Window's Hello - This is a personal favorite of mine since I can log in three ways, including two ways using biometrics, which adds more security. This package provides Intel Bluetooth Driver and is supported on Yoga C940-15IRH and running the following Operating Systems: Windows 10 (64-bit) Lenovo Inc. View View At up to 500 nits brightness, it’s 50% brighter than standard SDR displays. Full Review Notebookcheck Rating, 4.4 out of 5 4.4 Benjamin Herzig on October 15, 2019 Love to gain some intel from the community, lenova to improve battery, fix the geforce exp issue.. First problem is my battery life, I tested it out with youtube open and some normal windows apps, and got around 2 Hours of Battery life. Tthe Lenovo Yoga C940’s combination of a large 69,000 wHr battery and a 1080p, 60Hz display give it an advantage. * If your lifestyle is on-the-go, check out our Lenovo USB-C Laptop Power Bank. One of the best 2-in-1 laptops around, the 4K Lenovo Yoga C940 2-in-1, sees a wild $400 in an early Black Friday deal. The Lenovo Yoga C940 offers a slightly larger option in the premium 2-in-1 market and represents cracking value. Battery Life - The fact that you can get upwards of 12 hours of battery life on the FHD model and around 8-9 hours on the UHD model is incredible. Display quality. Lenovo Yoga C940 (14) has a Full HD touchscreen display, model number LG LP140WF9-SPE2. The Lenovo Yoga C940 has decent ... it couldn't even get past the Dell XPS 15 (2019), which ran for 8:48 with a 4K display and a GTX 1650 GPU. 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