Lenovo Yoga C640 review: The battery existence blows us away

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Within the origin explore, it’s easy to brush off this particular model of Lenovo’s Yoga C640, a Finest Select queer with a relatively anemic twin-core i3 Comet Lake CPU, a miniature 128GB SSD, and a $600 label mark. That said, this peaceable convertible (formally the Yoga C640-13IML) has an ace up its sleeve: a pudgy battery that real goes, and goes, and goes.

Whereas this made-for-Finest Select system isn’t a grand pick for customers having a explore to job 4K movies or crunch broad numbers (there are other Yoga C640 configurations better suited to such CPU-intensive tasks), it on the entire is a grand fit for customers buying for a versatile 2-in-1 that can dart all day prolonged with out an AC twine.

Lenovo Yoga C640 Specs and Capabilities

Lenovo supplies three versions of the Yoga C640-13IML (we’ll real name it the Yoga C640 from right here on out) on its site, including a $850 version (or $770 after reductions) with a 10th-gen Core i5-10210U processor, 8GB of DDR4 RAM, and a 256GB actual affirm drive, and a $1,000 model ($910 with rebates) with the the same RAM and SSD however an upgraded i7-10510U CPU. There’s moreover a $1,050 configuration that united statesthe RAM on the Core i7 version to 16GB. All three models include the the same touch-enabled 13.3-scuttle Burly-HD IPS affirm.

Our review version (81UE000WUS) of the Yoga C640-13IML isn’t listed on Lenovo’s site; as an different, it’s a $600 Finest Select queer that’s critically less costly (and, in consequence, less highly effective) than the different three models.

Listed below are the foremost substances:

• CPU: Dual-core Intel Core i3-10110U (Comet Lake)
• Reminiscence: 8GB DDR4
• Graphics: Built-in Intel UHD Graphics
• Storage: 128GB SSD
• Show hide: 13.3-scuttle 1920×1080 IPS, touch-enabled
• Webcam: 720p, twin-array microphone, bodily digicam shutter
• Connectivity: One SuperSpeed USB 5Gbps (previously identified as USB 3.2 Gen 1) Form-C port, two SuperSpeed USB 5Gbps (previously identified as USB 3.2 Gen 1) Form-A ports, combo audio jack
• Networking: Wi-Fi 5 (802.11ac)
• Biometrics: Fingerprint reader
• Battery skill: 60 Watt-hour
• Dimensions: 12 x 8.1 x 0.7 inches
• Weight: 2.88 pounds (3.22 pounds with AC adapter)

General, this an extended-established configuration that we explore in worth range laptops. The twin-core 10th-gen Comet Lake Core i3 CPU is perfectly succesful of day to day computing tasks reminiscent of net browsing, Place of job, and mild-weight affirm bettering, even supposing it’ll initiate up to chug when it comes to disturbing multi-core operations adore video processing or crunching databases. The 8GB of RAM supplies a real quantity of headroom for multitasking or juggling lots of browser tabs.

The 128GB SSD will get shrimp awfully fast. While you bought showcase of Home windows 10 and other apps pre-loaded onto the C640, the drive ultimate has about 77GB of free place left. If you retailer plenty in the neighborhood, that you just can even fair desire to spend money on an external spicy drive or cloud storage.

Bodily, the 0.7 scuttle-thick and 2.88-pound C640 is ready the the same size and weight as other 2-in-1 systems in its class. The fingerprint reader is continually a good bonus. WWhile Wi-Fi 5 networking is long-established for laptops in this label fluctuate, real consider that you just won’t be in a affirm to amass excellent thing about the improved velocity and efficiency aspects offered by cutting-edge Wi-Fi 6 routers.

We’ve left the final word for closing, though: namely, the Yoga C640’s 60 Watt-hour battery, which bodes neatly when it comes to battery existence. In a while, we’ll build the battery to the take a look at and explore whether or now not it lives up to its promise.

Plan

The Lenovo Yoga C640 boasts the the same overall diagram diagram as Lenovo’s other Yoga models, including its angled front edge, flat sides, and the signature Yoga 360-level hinge. Due to the the hinge, that you just can even swivel the affirm the total manner around and utilize the C640 as a tablet, tent it on a desk or tabletop, or sit down it keyboard-down with the affirm angled up for kiosk mode.

Ben Patterson/IDG

The C640’s sandblasted aluminum shell did a good job of resisting fingerprints, even supposing I would also moreover field faint greasy hand smudges right here and there. Whereas the C640’s flat, virtually featureless lid (build for the Yoga mark) feels comfortable to the touch, the bottom half of of the chassis has a slight rubberized feel, which helps to retain the computer from slipping out of your hand.

A couple of alternative diagram aspects worth declaring encompass the Yoga C640’s energy button, which sits on the staunch aspect of the computer shut to the hinge, a spot that makes it spicy to press by likelihood.

Ben Patterson/IDG

Moreover grand of showcase is the “TrueBlock” privacy shutter for the 720p webcam sitting in the affirm’s top bezel. The shutter is so refined that it’s easy to miss, and it doesn’t offer any visual cues whether or now not it’s open or shut. That said, the shutter is easy to mosey (I had a grand tougher time facing the shutter on the Yoga C640’s pricier cousin, the Yoga C740), and given this computer’s worth range label fluctuate, it’s a uncommon treat to get a webcam shutter the least bit.

Show hide

Any worth range computer affirm whose brightness measures north of 250 nits (or candelas) is a plus in our book. All too every so usually, we explore bargain laptops with monitors that can’t even hit that low-water worth.

Thankfully, the Lenovo Yoga C640’s corpulent-HD affirm, which is surrounded by slim bezels along the kill and sides with a chunkier bezel on the bottom, is moderately understanding for a computer in its label fluctuate, measuring 305 nits in accordance to our readings. Granted, we’ve seen masses of laptops with shows that measure neatly north of 300 nits (as in 400 and even 500 nits, in some cases), however they’ll on the entire label you quite lots of additional than the Yoga C640 does.

The Yoga C640’s IPS (in-aircraft switching) affirm delivers actual viewing angles. The hide dims ultimate a miniature bit when seen from the perimeters or the kill or bottom, with no signs of inverse colours. The touch-enabled affirm moreover did a good job of responding to my faucets and swipes.

Keyboard, touchpad, speakers, and extras

I’ve been impressed by the feel of the keyboards on other Lenovo Yoga models, and the Yoga C640’s keyboard isn’t any exception. They’re a pleasure to variety on, with a slight concave diagram, easy discovery, and generous recede (that’s, the distance that a key moves when it’s pressed). Each keystroke delivers a crisp, tactile bump, with a refreshingly springy rebound. They keyboard supplies two-step backlighting, along with hotkeys for volume, mic silent, airplane mode, Home windows lock, and conceal brightness. There aren’t any media playback hotkeys, unfortunately.

Ben Patterson/IDG

The Yoga C640’s touchpad sits real below the place bar, placing it a miniature bit left of heart. I had miniature effort swiping and clicking the touchpad, and I by no contrivance seen any jitteriness from flawed inputs. Even after I deliberately brushed my palms in opposition to the bottom corners of the trackpad, the cursor remained rock-regular.

The Yoga C640’s upfiring speakers sounded comparatively real for computer speakers, with an even quantity of detail and even some refined bass response. Even better is the Yoga C640’s strengthen for Dolby Atmos, an object-based mostly fully fully sound format that permits for proper sound placement in a 3D soundstage. Dolby Atmos is every so usually thought of as an audio format designed for theaters and residential audio setups with in-ceiling speakers, however Atmos is discovering its manner into masses of devices with ultimate stereo speakers, including telephones and laptops. Obviously, the Yoga C640’s stereo speakers can’t manner the fidelity of an even home theater and even external computer speakers, however the computer’s Atmos-enabled drivers build up to carry actual audio with an impressively broad and detailed soundstage—neatly, for computer speakers, anyway.

Ports

The Lenovo Yoga C640 has a middling collection of ports. On the left aspect, you get the main of two USB SuperSpeed 5Gbps (previously USB 3.2 Gen 1) Form-A ports, along with a combo audio jack and a barrel-shaped energy port.

Ben Patterson/IDG

On the staunch aspect sits the second USB SuperSpeed 5Gbps Form-A port, along with a USB SuperSpeed 5Gbps Form-C port.

Ben Patterson/IDG

Whereas we’re continually elated to explore a pair of USB Form-A ports (real for connecting, announce, a mouse and a printer), along with a USB-C port (at hand for more fresh external spicy drives), we’re disappointed by the shortage of a memory card reader or an HDMI port. Moreover missing is a slot for a computer safety cable. You are going to doubtless desire to spend money on a USB-C hub to prolong your connectivity. 

Take learning for the efficiency benchmarks and that crazy battery existence.

• Lenovo C640-13IML (81UE000WUS)

  This Finest Select-queer version of the Lenovo Yoga C640-13IML would be saddled with a twin-core i3 processor and shrimp storage, however it absolutely’s blessed with stellar battery existence.

  Professionals

  • Unbelievable battery existence
  • Trusty day to day computing efficiency
  • Bodily digicam shutter
  • Dolby Atmos-enabled sound

  Cons

  • Dual-core processor struggles with CPU-intensive tasks
  • No memory card slot
  • Runt actual-affirm storage drive