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Lenovo Yoga C940 (14in) review: A brilliant 2-in-1 laptop

Our Rating 
Price when reviewed 
1,335
inc VAT

A fine hybrid that outlasts and outperforms the Dell XPS 13 2-in-1

Pros 
Long battery life
Great audio
Bundled stylus
Cons 
Low resolution 1080p display
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Laptops, slowly but surely, beginning to adopt Intel’s 10th generation processors en masse, and the latest to do so is the Lenovo Yoga C940 series. Available in either 14in or 15in sizes (we review the 14in model here), the Yoga C940 is the company’s flagship 2-in-1 ultraportable for 2020 and it gives the best laptops around a very decent run for their money.

READ NEXT: Dell XPS 13 2-in-1 (2019) review

Lenovo Yoga C940 review: What you need to know 

As with previous Lenovo 2-in-1 machines, the Yoga C940 is a multi-talented ultraportable. Open it up and it looks just like a regular Windows 10 laptop, albeit a rather attractive one. It has a 14in touch display available in 1080p or 4K and a full-sized keyboard and touchpad beneath it.

Pick up the laptop and push that screen backwards, however, and you’ll discover that the Yoga C940 is, in fact, a 2-in-1 and can be used in a number of different positions. You can fold the screen all the way around and use the C940 as a giant tablet – like a digital clipboard – and there’s even a stylus so you can take handwritten notes. You can also prop it up in “tent” mode for an easier way to show off your PowerPoint presentations or simply fold the keyboard underneath for a distraction-free way to watch Netflix.

This is no lightweight toy, however. The presence of Intel’s latest generation of CPUs and on-package graphics means its capable of running some seriously demanding applications and even the odd game.

Lenovo Yoga C940 review: Price and competition

As with most premium laptops, the 2020 version of Lenovo’s flagship Yoga is available in several different configurations with prices ranging from £1,100 up to £1,540. The cheapest model comes with a 1080p display, a tenth-gen Intel Core i5-1035G4 CPU, 8GB of RAM and a 256GB SSD. The most expensive model gets you a 4K screen, an Intel Core i7-1065G7 CPU, 16GB of RAM and a 1TB SSD.

We were sent the Core i7 model with 16GB of RAM and a 256GB SSD, topped off with the more basic 1080p touchscreen – a mid-spec configuration that runs to £1,335.

The Yoga C940’s most obvious rival is the Dell XPS 13 2-in-1 (2019), a similar machine that has a slightly smaller 13.4in touchscreen and doesn’t come with a stylus. The Dell will cost you more, however. For instance, you'll pay £1,499 for the tenth-gen Core i7 variant of the Dell with 8GB of RAM and a 256GB SSD, or £1,899 for the same laptop with 16GB of RAM and a 512GB SSD. The cheapest Dell XPS 13 2-in-1 is a tenth-gen Intel Core i5 model with 8GB of RAM and a 256GB SSD for £1,409 inc VAT.

If you can do without the 360-degree hinge, your options are almost limitless, certainly when it comes to Windows 10 machines. Our pick of the bunch again comes from Dell: the XPS 13, which starts at a price of £1,399 and comes with a tenth-gen Core i5, 8GB of RAM and a 512GB SSD. The 13.5in Microsoft Surface Laptop 3 is another good shout, with prices starting at £949 for a tenth-gen Core i5, 8GB RAM and a 128GB SSD.

If you want a cheaper alternative, the 14in Acer Swift 5 is another good option, with prices starting at £900 for the model with a tenth-gen Core i5, 8GB of RAM and a 256GB SSD.

Lenovo Yoga C940 review: Design and features

The essential idea behind the Yoga C940 is the same as the Dell XPS 13 2-in-1. It’s a lightweight laptop with a 360-degree hinge that lets you use the laptop in a number of different configurations.

Where the Lenovo differs from the Dell, however, is that it comes with an active stylus, which is stowed away neatly in a slot in the spine of the machine. The Dell is stylus compatible but doesn’t come with one in the box and doesn’t have a slot in the chassis for it. Another thing the Lenovo has that the Dell does not is an integrated cover for the 720p webcam, which you can slide across for privacy.

Alas, you can’t use the webcam to unlock the machine with your face as it isn’t Windows Hello compatible but there is a fingerprint reader that sits just below the bottom right-hand corner of the keyboard for speedy unlocking.

The other key difference is the screen. You get a slightly larger display on the Lenovo, which measures 14in across the diagonal with an aspect ratio of 16:9, where the Dell’s is 13.4in and has a slightly squarer aspect ratio of 16:10. 

Otherwise, the Lenovo keeps pace with the Dell pretty well; both machines are slim, well made and attractive. The keyboard is pleasant enough to type on; I’d prefer more travel and more positive feedback but it feels solid and robust enough and there’s a good amount of space surrounding each key, ensuring typos are kept to a minimum.

The touchpad is large and responsive without coming close to the size of the pad a MacBook Pro. It’s a diving-board type, which means you can’t click it along its top edge but the clicks otherwise aren’t too heavy or rattly.

Connectivity is limited, as you might expect of an ultraportable machine like this but you do get a little more than you do on the Dell with an old-school USB Type-A (3.1 Gen 2) port sat alongside a pair of Thunderbolt 3-enabled Type-C ports on the left edge of the machine. It’s also good to see a Wi-Fi 6 (aka 802.11ax) wireless.

Lenovo Yoga C940 review: Display and audio

The Lenovo Yoga C940 can be configured with either a 14in 1080p touchscreen or a 4K display. Both have an aspect ratio of 16:9 and both are stylus compatible. I was sent the former and it performed reasonably well in our display testing.

If you’re going to use the display for any kind of photo editing or colour critical design work, however, do seek out the Intel Graphics Control Panel by searching for it in the Windows 10 Start menu (bizarrely this isn’t where you’d expect it to be – on the context menu when you right-click on the desktop). I found that, with the power saving settings enabled, dynamic contrast kicked in, dimming the display noticeably when there was a lot of dark content on the screen.

With the battery saving guff disabled, I found that the display was decent enough without being amazing. Brightness peaks at 369cd/m2, which is good: a fair notch behind the Dell XPS 2-in-1’s 538cd/m2, admittedly but around the same as the 13.5in Microsoft Surface Laptop 3. The screen’s contrast ratio is excellent at 1635:1 while colour accuracy is good but not astonishing. The display’s sRGB coverage is likewise fine but not amazing at 91.4%.

So far, so ordinary. Where the Lenovo Yoga C940 sets itself apart from the crowd is its speakers, which take the form of a Dolby Atmos-branded “soundbar” that stretches across the centre of the machine, in the crease between the screen and keyboard.

These don’t produce much bass but produce audio with a surprising amount of body and volume. I wouldn’t want to listen to much music on the Yoga C940’s speakers but talk radio, podcasts and TV shows? No problem at all.

READ NEXT: Dell XPS 13 2-in-1 (2019) review

Lenovo Yoga C940 review: Performance and battery life

We’ve so far been impressed with Intel’s tenth-gen mobile CPUs and the Core i7-1065G7 in the Lenovo Yoga C940 is no exception. Backed up with 16GB of RAM in this configuration and a 256GB Samsung SSD the C940 performed impressively in our benchmarks.

As expected, our demanding in-house benchmarks put the Yoga C940 around the same level as both of its tenth-gen, Core i7-toting rivals and significantly ahead of the Core i5-equipped Acer Swift 5 (2019):

It was a similar story when it came to graphics performance, with the more advanced Intel Iris Plus graphics delivering a noticeable performance advantage over the less beefy Core i5 in the Acer Swift 5 and a similar performance to the XPS 13 2-in-1 and Surface Laptop 3. The lower onscreen (native resolution) score is due to the Surface Laptop 3 having a much higher pixel count than the Yoga C940 tested here.

The Yoga C940 put in a strong performance in the storage tests, too, its Samsung SSD achieving sustained read and write speeds well in advance of the Dell XPS 13 2-in-1 and 13.5in Microsoft Surface Laptop 3.

As for battery life, that was even more impressive. With the help of a sizeable 60Wh battery the Yoga found itself streets ahead, lasting an immensely impressive 11hrs 13mins in our video rundown test. That’s a good 2hrs longer than the Dell XPS 13 2-in-1 and three hours longer than the similarly specified Surface Laptop 3.

Lenovo Yoga C940 review: Verdict

Whichever way you slice it, then, the Lenovo Yoga C940 is a mighty fine 2-in-1. It’s as fast as all its rivals in all the relevant metrics and outlasts them all when it comes to battery life. It has good levels of connectivity, highly impressive speakers and although the display isn’t outstanding, the quality is still very good overall.

Couple that with a sleek, lightweight chassis, a solid 360 hinge and a bundled stylus and you have a laptop that combines great performance and good looks with a keen sense of value.

If it absolutely has to be a 2-in-1 for you, it has to be either this machine or the Dell XPS 13 2-in-1. For my money, the Lenovo Yoga C940 just about edges it.

Lenovo Yoga C940 (2019) specifications

ProcessorIntel Core i7-1065G7
RAM16GB
Additional memory slotsNo
Max. memory16GB
Graphics adapterIntel Iris Plus Graphics
Graphics memory
Storage256GB
Screen size (in)14
Screen resolution1,920 x 1,080
Pixel density (PPI)157
Screen typeIPS
TouchscreenYes (10-point multitouch)
Pointing devicesTouchpad, active stylus
Optical driveNo
Memory card slotNo
3.5mm audio jackYes
Graphics outputsUSB Type-C
Other ports1 x USB Type-A (USB 3.1 Gen 2), 2 x USB Type-C (Thunderbolt 3, USB 3.1 Gen 2)
Web Cam720p
SpeakersDolby Atmos "soundbar"
Wi-FiWifi 6 (802.11ax 2x2)
BluetoothBluetooth 5
NFCNo
W (mm)320
D (mm)216
H (mm)15.7
Dimensions, mm (WDH)320 x 216 x 15.7mm
Weight (kg) - with keyboard where applicable1.35
Battery size (Wh)60
Operating systemWindows 10

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