{"id":4530,"date":"2020-06-25T10:30:00","date_gmt":"2020-06-25T10:30:00","guid":{"rendered":"https:\/\/aviancetechnologies.com\/blog\/blog\/lenovo-yoga-c640-review-the-battery-life-blows-us-away\/"},"modified":"2020-06-25T10:30:00","modified_gmt":"2020-06-25T10:30:00","slug":"lenovo-yoga-c640-review-the-battery-life-blows-us-away","status":"publish","type":"post","link":"https:\/\/aviancetechnologies.com\/blog\/lenovo-yoga-c640-review-the-battery-life-blows-us-away\/","title":{"rendered":"Lenovo Yoga C640 review: The battery life blows us away"},"content":{"rendered":"<p>\u00a0\u00a0<br \/>\n[responsivevoice_button rate=&#8221;1\u2033 pitch=&#8221;1.2\u2033 volume=&#8221;0.8\u2033 voice=&#8221;US English Female&#8221; buttontext=&#8221;Story in Audio&#8221;]<\/p>\n<h2>Lenovo Yoga C640 review: The battery life blows us away<\/h2>\n<p><\/p>\n<div id=\"drr-container\" itemprop=\"reviewBody\">\n<p dir=\"ltr\">At first glance, it\u2019s easy to dismiss this particular model of Lenovo\u2019s Yoga C640, a Best Buy exclusive with a relatively anemic dual-core i3 Comet Lake CPU, a puny 128GB SSD, and a $600 price tag. That said, this sleek convertible (officially the Yoga C640-13IML) has an ace up its sleeve: a beefy battery that just goes, and goes, and goes.<\/p>\n<p dir=\"ltr\">While this made-for-Best Buy system isn\u2019t a great pick for users looking to process 4K videos or crunch big numbers (there are other Yoga C640 configurations better suited for such CPU-intensive tasks), it could be a great fit for users looking for a versatile 2-in-1 that can go all day long without an AC cord.<\/p>\n<h2 class=\"toc\" dir=\"ltr\" id=\"toc-1\">Lenovo Yoga C640 Specs and Features<\/h2>\n<p dir=\"ltr\">Lenovo offers three versions of the Yoga C640-13IML<a class=\"removelink\" href=\"#\" rel=\"nofollow\"><span class=\"removelink-tooltip\" style=\"display: none;\" data-removeparamvalues=\"three versions of the Yoga C640-13IML|Lenovo|https:\/\/www.lenovo.com\/us\/en\/laptops\/yoga\/yoga-c-series\/Yoga-C640\/p\/88YGC601300|Lenovo|Yoga C640-13IML|2|Add Link\">Remove non-product link<\/span><\/a> (we\u2019ll just call it the Yoga C640 from here on out) on its website, including a $850 version (or $770 after discounts) with a 10th-gen Core i5-10210U processor, 8GB of DDR4 RAM, and a 256GB solid state drive, and a $1,000 model ($910 with rebates) with the same RAM and SSD but an upgraded i7-10510U CPU. There\u2019s also a $1,050 configuration that ups the RAM on the Core i7 version to 16GB. All three models come with the same touch-enabled 13.3-inch Full-HD IPS display.<\/p>\n<p dir=\"ltr\">Our review version (81UE000WUS) of the Yoga C640-13IML isn\u2019t listed on Lenovo\u2019s website; instead, it\u2019s a $600 Best Buy exclusive that\u2019s considerably less expensive (and, consequently, less powerful) than the other three models.<\/p>\n<p dir=\"ltr\">Here are the details:<\/p>\n<ul>\n<li dir=\"ltr\"><strong>CPU:<\/strong> Dual-core Intel Core i3-10110U (Comet Lake)<\/li>\n<li dir=\"ltr\"><strong>Memory:<\/strong> 8GB DDR4<\/li>\n<li dir=\"ltr\"><strong>Graphics:<\/strong> Integrated Intel UHD Graphics<\/li>\n<li dir=\"ltr\"><strong>Storage:<\/strong> 128GB SSD<\/li>\n<li dir=\"ltr\"><strong>Display:<\/strong> 13.3-inch 1920&#215;1080 IPS, touch-enabled<\/li>\n<li dir=\"ltr\"><strong>Webcam:<\/strong> 720p, dual-array microphone, physical camera shutter<\/li>\n<li dir=\"ltr\"><strong>Connectivity:<\/strong> One SuperSpeed USB 5Gbps (formerly known as USB 3.2 Gen 1) Type-C port, two SuperSpeed USB 5Gbps (formerly known as USB 3.2 Gen 1) Type-A ports, combo audio jack<\/li>\n<li dir=\"ltr\"><strong>Networking:<\/strong> Wi-Fi 5 (802.11ac)<\/li>\n<li dir=\"ltr\"><strong>Biometrics:<\/strong> Fingerprint reader<\/li>\n<li dir=\"ltr\"><strong>Battery capacity:<\/strong> 60 Watt-hour<\/li>\n<li dir=\"ltr\"><strong>Dimensions:<\/strong> 12 x 8.1 x 0.7 inches<\/li>\n<li dir=\"ltr\"><strong>Weight:<\/strong> 2.88 pounds (3.22 pounds with AC adapter)<\/li>\n<\/ul>\n<p dir=\"ltr\">Overall, this a typical configuration that we see in budget laptops. The dual-core 10th-gen Comet Lake Core i3 CPU is perfectly capable of everyday computing tasks such as web browsing, Office, and light photo editing, although it\u2019ll start to chug when it comes to demanding multi-core operations like video processing or crunching databases. The 8GB of RAM offers a decent amount of headroom for multitasking or juggling multiple browser tabs.<\/p>\n<p dir=\"ltr\">The 128GB SSD will get cramped awfully fast. Once you take into account Windows 10 and other apps pre-loaded onto the C640, the drive only has about 77GB of free space left. If you store a lot locally, you might want to invest in an external hard drive or cloud storage.<\/p>\n<p dir=\"ltr\">Physically, the 0.7 inch-thick and 2.88-pound C640 is about the same size and weight as other 2-in-1 systems in its class. The fingerprint reader is always a nice bonus. WWhile Wi-Fi 5 networking is standard for laptops in this price range, just remember that you won\u2019t be able to take advantage of the enhanced speed and efficiency features offered by cutting-edge Wi-Fi 6 routers.<\/p>\n<aside class=\"nativo-promo nativo-promo-1 smartphone tablet desktop\" id=\"\"\/>\n<p dir=\"ltr\">We\u2019ve left the best for last, though: namely, the Yoga C640\u2019s 60 Watt-hour battery, which bodes well when it comes to battery life. Later on, we\u2019ll put the battery to the test and see whether it lives up to its promise.<\/p>\n<h2 dir=\"ltr\">Design<\/h2>\n<p dir=\"ltr\">The Lenovo Yoga C640 boasts the same overall design scheme as Lenovo\u2019s other Yoga models, including its angled front edge, flat sides, and the signature Yoga 360-degree hinge. Thanks to the hinge, you can swivel the display all the way around and use the C640 as a tablet, tent it on a desk or tabletop, or sit it keyboard-down with the display angled up for kiosk mode.<\/p>\n<figure class=\"large \"><a class=\"zoom\" href=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-tented-100848597-orig.jpeg\" rel=\"nofollow\"><img border=\"0\" alt=\"lenovo yoga c640 13iml tented\" width=\"1200\" height=\"800\" data-imageid=\"100848597\" data-license=\"IDG\" data-original=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-tented-100848597-large.jpg\" class=\"lazy\" loading=\"lazy\"\/><\/a> <small class=\"credit\">Ben Patterson\/IDG<\/small><figcaption>\n<p>The Lenovo Yoga C640&#8217;s 2-in-1 design lets you swivel the display all the way around for tablet use, tent it on a tabletop, or sit it keyboard-down with the screen tilted up.<\/p>\n<\/figcaption><\/figure>\n<p dir=\"ltr\">The C640\u2019s sandblasted aluminum shell did a nice job of resisting fingerprints, although I could also spot faint greasy hand smudges here and there. While the C640\u2019s flat, nearly featureless lid (save for the Yoga logo) feels smooth to the touch, the bottom half of the chassis has a slight rubberized feel, which helps to keep the laptop from slipping out of your hand.<\/p>\n<p dir=\"ltr\">A couple of other design features worth mentioning include the Yoga C640\u2019s power button, which sits on the right side of the laptop near the hinge, a position that makes it tough to press by accident.<\/p>\n<aside class=\"nativo-promo nativo-promo-2 tablet desktop smartphone\" id=\"\"\/>\n<figure class=\"large \"><a class=\"zoom\" href=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-camera-shutter-100848589-orig.jpeg\" rel=\"nofollow\"><img border=\"0\" alt=\"lenovo yoga c640 13iml camera shutter\" width=\"1200\" height=\"800\" data-imageid=\"100848589\" data-license=\"IDG\" data-original=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-camera-shutter-100848589-large.jpg\" class=\"lazy\" loading=\"lazy\"\/><\/a> <small class=\"credit\">Ben Patterson\/IDG<\/small><figcaption>\n<p>The physical camera shutter on the Yoga C640 is a nice bonus for a $600 laptop.<\/p>\n<\/figcaption><\/figure>\n<p dir=\"ltr\">Also worthy of note is the \u201cTrueBlock\u201d privacy shutter for the 720p webcam sitting in the display\u2019s top bezel. The shutter is so subtle that it\u2019s easy to miss, and it doesn\u2019t offer any visual cues whether it\u2019s open or shut. That said, the shutter is easy to slide (I had a much tougher time dealing with the shutter on the Yoga C640\u2019s pricier cousin, the Yoga C740), and given this laptop\u2019s budget price range, it\u2019s a rare treat to get a webcam shutter at all.<\/p>\n<h2 dir=\"ltr\">Display<\/h2>\n<p dir=\"ltr\">Any budget laptop display whose brightness measures north of 250 nits (or candelas) is a plus in our book. All too often, we see bargain laptops with screens that can\u2019t even hit that low-water mark.<\/p>\n<p dir=\"ltr\">Luckily, the Lenovo Yoga C640\u2019s full-HD display, which is surrounded by slim bezels along the top and sides with a chunkier bezel on the bottom, is reasonably bright for a laptop in its price range, measuring 305 nits according to our readings. Granted, we\u2019ve seen plenty of laptops with displays that measure well north of 300 nits (as in 400 or even 500 nits, in some cases), but they\u2019ll generally cost you hundreds more than the Yoga C640 does.<\/p>\n<p dir=\"ltr\">The Yoga C640\u2019s IPS (in-plane switching) display delivers solid viewing angles. The screen dims only slightly when viewed from the sides or the top or bottom, with no signs of inverse colors. The touch-enabled display also did a nice job of responding to my taps and swipes.<\/p>\n<h2 dir=\"ltr\">Keyboard, touchpad, speakers, and extras<\/h2>\n<p dir=\"ltr\">I\u2019ve been impressed by the feel of the keyboards on other Lenovo Yoga models, and the Yoga C640\u2019s keyboard is no exception. They&#8217;re a pleasure to type on, with a slight concave design, easy discovery, and generous travel (that is, the distance that a key moves when it\u2019s pressed). Each keystroke delivers a crisp, tactile bump, with a refreshingly springy rebound. They keyboard offers two-step backlighting, along with hotkeys for volume, mic mute, airplane mode, Windows lock, and screen brightness. There aren\u2019t any media playback hotkeys, unfortunately.<\/p>\n<figure class=\"large \"><a class=\"zoom\" href=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-keyboard-100848592-orig.jpeg\" rel=\"nofollow\"><img border=\"0\" alt=\"lenovo yoga c640 13iml keyboard\" width=\"1200\" height=\"800\" data-imageid=\"100848592\" data-license=\"IDG\" data-original=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-keyboard-100848592-large.jpg\" class=\"lazy\" loading=\"lazy\"\/><\/a> <small class=\"credit\">Ben Patterson\/IDG<\/small><figcaption>\n<p>The Lenovo Yoga C640&#8217;s backlit keyboard is a pleasure to type on, while the touchpad did a nice job of rejecting false inputs. (And yes, that&#8217;s a Dolby Atmos logo.)<\/p>\n<\/figcaption><\/figure>\n<p dir=\"ltr\">The Yoga C640\u2019s touchpad sits just below the space bar, putting it slightly left of center. I had little trouble swiping and clicking the touchpad, and I never noticed any jitteriness from false inputs. Even when I intentionally brushed my palms against the bottom corners of the trackpad, the cursor remained rock-steady.<\/p>\n<p dir=\"ltr\">The Yoga C640\u2019s upfiring speakers sounded pretty good for laptop speakers, with a fair amount of detail and even some subtle bass response. Even better is the Yoga C640\u2019s support for Dolby Atmos, an object-based sound format that allows for precise sound placement in a 3D soundstage. Dolby Atmos is generally thought of as an audio format designed for theaters and home audio setups with in-ceiling speakers, but Atmos is finding its way into plenty of devices with only stereo speakers, including phones and laptops. Of course, the Yoga C640\u2019s stereo speakers can\u2019t approach the fidelity of a proper home theater or even external computer speakers, but the laptop\u2019s Atmos-enabled drivers manage to deliver solid audio with an impressively wide and detailed soundstage\u2014well, for laptop speakers, anyway.<\/p>\n<h2 dir=\"ltr\">Ports<\/h2>\n<p dir=\"ltr\">The Lenovo Yoga C640 has a middling selection of ports. On the left side, you get the first of two USB SuperSpeed 5Gbps (formerly USB 3.2 Gen 1) Type-A ports, along with a combo audio jack and a barrel-shaped power port.<\/p>\n<figure class=\"large \"><a class=\"zoom\" href=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-left-side-100848591-orig.jpeg\" rel=\"nofollow\"><img border=\"0\" alt=\"lenovo yoga c640 13iml left side\" width=\"1200\" height=\"800\" data-imageid=\"100848591\" data-license=\"IDG\" data-original=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-left-side-100848591-large.jpg\" class=\"lazy\" loading=\"lazy\"\/><\/a> <small class=\"credit\">Ben Patterson\/IDG<\/small><figcaption>\n<p>The left side of the Yoga C640 features a USB SuperSpeed 5Gbps Type-A port and a combo audio jack.<\/p>\n<\/figcaption><\/figure>\n<p dir=\"ltr\">On the right side sits the second USB SuperSpeed 5Gbps Type-A port, along with a USB SuperSpeed 5Gbps Type-C port.<\/p>\n<figure class=\"large \"><a class=\"zoom\" href=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-right-side-100848596-orig.jpeg\" rel=\"nofollow\"><img border=\"0\" alt=\"lenovo yoga c640 13iml right side\" width=\"1200\" height=\"800\" data-imageid=\"100848596\" data-license=\"IDG\" data-original=\"https:\/\/images.idgesg.net\/images\/article\/2020\/06\/lenovo-yoga-c640-13iml-right-side-100848596-large.jpg\" class=\"lazy\" loading=\"lazy\"\/><\/a> <small class=\"credit\">Ben Patterson\/IDG<\/small><figcaption>\n<p>A second USB SuperSpeed 5Gbps Type-A port sits on the right side of the C640, along with a USB SuperSpeed 5Gbps Type-C port. No media card reader, however.<\/p>\n<\/figcaption><\/figure>\n<p dir=\"ltr\">While we\u2019re always happy to see a pair of USB Type-A ports (good for connecting, say, a mouse and a printer), along with a USB-C port (handy for newer external hard drives), we\u2019re disappointed by the lack of a memory card reader or an HDMI port. Also missing is a slot for a laptop security cable. You&#8217;ll likely want to invest in a USB-C hub to extend your connectivity.\u00a0<\/p>\n<p dir=\"ltr\"><em>Keep reading for the performance benchmarks and that crazy battery life.<\/em><\/p>\n<\/p><\/div>\n<div class=\"post-item-metadata entry-meta\">\n<p class=\"has-background has-very-light-gray-background-color\">Disclaimer: Content may be edited for style and length.\u00a0<a class=\"newsium-categories category-color-1\" href=\"https:\/\/www.pcworld.com\/article\/3562370\/lenovo-yoga-c640-13iml-review.html#tk.rss_all\" target=\"_blank\" rel=\"noopener noreferrer\">Story Source<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0 [responsivevoice_button rate=&#8221;1\u2033 pitch=&#8221;1.2\u2033 volume=&#8221;0.8\u2033 voice=&#8221;US English Female&#8221; buttontext=&#8221;Story in Audio&#8221;] Lenovo Yoga C640 review: The battery life blows us away At first glance, it\u2019s easy to dismiss this particular model of Lenovo\u2019s Yoga C640, a Best Buy exclusive with a relatively anemic dual-core i3 Comet Lake CPU, a puny 128GB SSD, and a $600 &#8230; <a title=\"Lenovo Yoga C640 review: The battery life blows us away\" class=\"read-more\" href=\"https:\/\/aviancetechnologies.com\/blog\/lenovo-yoga-c640-review-the-battery-life-blows-us-away\/\" aria-label=\"Read more about Lenovo Yoga C640 review: The battery life blows us away\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":4531,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-4530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pc-laptops"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lenovo Yoga C640 review: The battery life blows us away - Aviance Technologies<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lenovo Yoga C640 review: The battery life blows us away - Aviance Technologies\" \/>\n<meta property=\"og:description\" content=\"\u00a0\u00a0 [responsivevoice_button rate=&#8221;1\u2033 pitch=&#8221;1.2\u2033 volume=&#8221;0.8\u2033 voice=&#8221;US English Female&#8221; buttontext=&#8221;Story in Audio&#8221;] Lenovo Yoga C640 review: The battery life blows us away At first glance, it\u2019s easy to dismiss this particular model of Lenovo\u2019s Yoga C640, a Best Buy exclusive with a relatively anemic dual-core i3 Comet Lake CPU, a puny 128GB SSD, and a $600 ... 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