•  Date Published: 24 Nov 2020
    • Intel Core i7-10510U
    • Intel UHD Graphics
    • 13.3”, Full HD (1920 x 1080), IPS
    • 512GB SSD
    • 16GB DDR4, 2400 MHz
    • 1.25 kg (2.8 lbs)

    Review

    Lenovo Yoga C640 13 in-depth review

    Yet another Yoga has come to the market very recently. It is the Yoga C640 (13), which is a 13-inch convertible that tries to balance on price and versatility while giving you the best performance it cans.What is Lenovo's target? Well, first you got art students, that could really use the features of this notebook, as well as its Pen that comes inside the box, depending on your region. Actually, not only students but all kinds of people dealing with art would be able to appreciate this device. According to the specs sheet and our first look at it. Speaking of specs sheet - Lenovo has given this notebook the fresh Comet Lake processors from Intel. They are still based on a 14nm architecture, yet they are a lot more efficient and reach higher Turbo clock speeds.You can check the pri[...]

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    Pros

    • Great price
    • Insane battery life (27 hours of video playback on battery power)
    • Covers 92% sRGB (AUO B133HAN05.F (AUO5F2D))
    • Average dE value of 1.1 with our Gaming and Web design (AUO B133HAN05.F (AUO5F2D))
    • Doesn't use PWM to adjust screen brightness (AUO B133HAN05.F (AUO5F2D))
    • Has a Pen inside the box and works perfectly fine with it
    • Very comfortable keyboard

    Cons

    • No SD card reader
    • Poor upgradability options
    • Limited I/O
    • Gets a little warm on the outside

    Disassembly, maintenance and upgrade options

    Lenovo Yoga C640 (13) is a 13-inch convertible laptop. It comes with a Lenovo Pen inside the box, which makes it the perfect design or art assistant.Check out all Lenovo Yoga C640 (13) prices and configurations in our Specs System or read more in our In-Depth review.1. Remove the bottom plate Interestingly, there are only 6 Torx-head screws that keep the bottom panel attached to the chassis. Unscrew them and after that pop the plate with a plastic tool.2. Battery For a 13-inch device, 60Wh is the bomb. It is held in place by five Phillips-head screws and if you want to ch[...]

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    DISPLAY: 13.3-inch, 1920x1080, IPS

    • Name
    • AUO B133HAN05.F (AUO5F2D)
    • Diagonal
    • 13.3"
    • Pixel density
    • 165.63 ppi
    • Brightness
    • 302 cd/m2
    • sRGB
    • 92%
    • PWM frequency
    • No PWM (Flicker-Free)
    • Panel Type
    • IPS
    • Resolution
    • 1920x1080
    • Becomes "Retina" from
    • 21 inches (53 cm)
    • Contrast
    • 1670:1
    • dE Color Checker
    • 4.4 1.1
    • PWM Rating
    • 10.0: (safe)

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    In addition to receiving efficient and health-friendly profiles, by buying LaptopMedia's products you also support the development of our labs, where we test devices in order to produce the most objective reviews possible.

    Office Work

    Office Work should be used mostly by users who spend most of the time looking at pieces of text, tables or just surfing. This profile aims to deliver better distinctness and clarity by keeping a flat gamma curve (2.20), native color temperature and perceptually accurate colors.

    Design and Gaming

    This profile is aimed at designers who work with colors professionally, and for games and movies as well. Design and Gaming takes display panels to their limits, making them as accurate as possible in the sRGB IEC61966-2-1 standard for Web and HDTV, at white point D65.

    Health-Guard

    Health-Guard eliminates the harmful Pulse-Width Modulation (PWM) and reduces the negative Blue Light which affects our eyes and body. Since it’s custom tailored for every panel, it manages to keep the colors perceptually accurate. Health-Guard simulates paper so the pressure on the eyes is greatly reduced.

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