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Lenovo ThinkPad X390 Yoga review – security or versatility – why not both?

Lenovo ThinkPad X390 Yoga review – security or versatility – why not both?

A ThinkPad that turns right into a pill – what extra would one need? That may be a really related query if it wasn’t for the $1200+ price ticket. With that stated, allow us to current you the Lenovo ThinkPad X390 Yoga, which is among the costlier 13-inch convertibles available on the market but in addition goals to be some of the versatile and sturdy ones.

Hardware-wise it packs the Whiskey Lake Intel ULVs and tops out with the vPro Intel Core i7-8665U. Moreover, you get a ThinkPad Pen Professional stylus that has its proprietary place contained in the laptop computer’s chassis. Typically producers embrace a devoted stylus with the convertible laptops they promote, however it’s often discovered contained in the field… very not often contained in the pocket book, itself.

You’ll be able to examine the costs and configurations in our Specs System:


Specs Sheet

Lenovo ThinkPad X390 Yoga technical specs desk




13.Three”, Full HD (1920 x 1080), IPS


310 x 219 x 15.95 mm (12.20″ x eight.62″ x Zero.63″)

Ports and connectivity

  • 1x USB Sort-C Three.1 (Three.1 Gen 2), Energy Supply (PD), DisplayPort, HDMI
  • 1x USB Sort-C Three.Zero (Three.1 Gen 1), Energy Supply (PD), DisplayPort, HDMI
  • 1x USB Sort-A Three.Zero (Three.1 Gen 1), Sleep and Cost
  • 1x USB Sort-A Three.Zero (Three.1 Gen 1)
  • HDMI 1.4b
  • Wi-Fi 802.11ac (2×2)
  • Bluetooth 5.Zero
  • Audio jack headphone / microphone combo jack
  • Aspect docking connector


  • Fingerprint reader
  • Net digital camera HD 720p with ThinkShutter
  • Backlit keyboard
  • Microphone Twin-array microphone
  • Audio system 2x 2W
  • Optical drive
  • Safety Lock slot
  • TrackPoint pointing gadget
  • Spill-resistant keyboard
  • 3D accelerometer
  • 3D gyrometer
  • MIL-STD-810G army certification

What’s within the field?

Contained in the field you, aside from the laptop computer your self you will discover some paper manuals and 65Wh energy brick, that in response to Lenovo is able to charging your laptop computer from Zero-80% in simply an hour.

Design and development

ThinkPad X390 Yoga’s physique is made out of metallic and has a matte end to it, vastly decreasing the variety of fingerprints on the fabric. Along with that, the laptop computer is tremendous mild at 1.29 kg (2.85 lbs) and has a profile of slightly below 16mm.

As a convertible, its lid is unimaginable to get opened with a single hand, nevertheless, it might go all the best way to the again of the system. Its touchscreen itself could be very correct and the palm rejection is on level. As we talked about the laptop computer comes with a ThinkPad Pen Professional that expenses immediately from the slot that’s meant for it.

Onto the bottom of the gadget, you’ll be able to see the standard ThinkPad keyboard with U-shaped keys and the purple “nipple” within the center. It has a quite lengthy key journey and clicky suggestions, which makes it tremendous snug to sort on. On the touchpad aspect, we weren’t 100% with the system. Though it’s pretty correct we discovered it to be barely irresponsive. Nevertheless, you continue to have the devoted buttons on prime which might be greatest paired with the “nipple” itself.

Simply on the best of the touchpad, you will see the fingerprint reader. Props to Lenovo for putting in a such, particularly given the truth that it’s blazingly fast – simply faucet it together with your finger and it’s going to learn it.

Lastly, there’s the underside of the laptop computer, the place you’ll see the air flow grills in addition to the speaker cut-outs, whereas scorching air comes out from the again of the system.


ThinkPad X390 Yoga is provided with a USB Sort-C charging plug, adopted by a Thunderbolt Three connector and an Ethernet extension, USB Sort-A Three.1 (Gen. 1) with Sleep and Cost, a headphone jack and an elective Smartcard reader. On the proper, you’ll see an HDMI connector, a USB Sort-A Three.1 (Gen. 1) port, a microSD card reader, the facility On/Off change (that’s fairly exhausting to differentiate on contact) and on the fringe of the laptop computer is the place the stylus resides.

Show high quality

Lenovo ThinkPad X390 Yoga has a Full HD touchscreen IPS panel, AUO B133HAN05.9. Its diagonal is 13.Three-inch (33.78 cm), and the decision – 1920 х 1080p. Moreover, the display ratio is 16:9, the pixel density – 166 ppi, their pitch – Zero.153 х Zero.153 mm. The display could be thought-about Retina when seen from no less than 53 cm (from this distance, the typical human eye can’t see the person pixels).

Viewing angles are wonderful on this system. We provide pictures at totally different angles to guage the standard.

The utmost measured brightness is 317 nits (cd/m2) in the midst of the display and 303 nits (cd/m2) common throughout the floor with a most deviation of 9%. The Correlated Shade Temperature on a white display and at most brightness is 6850Okay – barely colder than the 6500Okay temperature for sRGB. The typical shade temperature by way of the gray scale earlier than profiling is 7040Okay.
Within the illustration under you possibly can see how the show performs from uniformity perspective. The illustration under exhibits how issues are for operational brightness ranges (roughly 140 nits) – on this specific case at 72% Brightness (White degree = 143 cd/m2, Black degree = Zero.Zero86 cd/m2).
Values of dE2000 over four.Zero shouldn’t happen, and this parameter is likely one of the first you must verify when you intend to make use of the laptop computer for colour delicate work (a most tolerance of two.Zero ). The distinction ratio is superb – 1650:1 (1540:1 after profiling).

To ensure we’re on the identical web page, we want to offer you slightly introduction of the sRGB shade gamut and the Adobe RGB. To start out, there’s the CIE 1976 Uniform Chromaticity Diagram that represents the seen specter of colours by the human eye, supplying you with a greater notion of the colour gamut protection and the colour accuracy.

Contained in the black triangle, you will notice the usual colour gamut (sRGB) that’s being utilized by hundreds of thousands of individuals in HDTV and on the internet. As for the Adobe RGB, that is utilized in skilled cameras, screens, and so forth for printing. Principally, colours contained in the black triangle are utilized by everybody and that is the important a part of the colour high quality and shade accuracy of a mainstream pocket book.

Nonetheless, we’ve included different colour areas just like the well-known DCI-P3 commonplace utilized by film studios, in addition to the digital UHD Rec.2020 commonplace. Rec.2020, nevertheless, continues to be a factor of the longer term and it’s troublesome for as we speak’s shows to cowl that properly. We’ve additionally included the so-called Michael Pointer gamut, or Pointer’s gamut, which represents the colours that naturally happen round us day by day.

The yellow dotted line exhibits Lenovo ThinkPad X390 Yoga’s colour gamut protection.

Its show covers 97% of the sRGB/ITU-R BT.709 (net/HDTV commonplace) in CIE1976, which is a prerequisite for a punchy picture.

Our “Design and Gaming” profile delivers optimum shade temperature (6500Okay) at 140 cd/m2 luminance and sRGB gamma mode.

We examined the accuracy of the show with 24 generally used colours like mild and darkish human pores and skin, blue sky, inexperienced grass, orange, and so forth. You’ll be able to take a look at the outcomes at manufacturing unit situation and in addition, with the “Design and Gaming” profile.

Under you possibly can examine the scores of Lenovo ThinkPad X390 Yoga with the default settings (left), and with the “Gaming and Net design” profile (proper).

The subsequent determine exhibits how properly the show is ready to reproduce actually darkish elements of a picture, which is important when watching films or enjoying video games in low ambient mild.

The left aspect of the picture represents the show with inventory settings, whereas the fitting one is with the “Gaming and Net Design” profile activated. On the horizontal axis, you will see the grayscale and on the vertical axis – the luminance of the show. On the 2 graphs under you’ll be able to simply examine for your self how your show handles the darkest nuances however needless to say this additionally is dependent upon the settings of your present show, the calibration, the viewing angle, and the encompassing mild circumstances.

Response time (Gaming capabilities)

We check the response time of the pixels with the standard “black-to-white” and “white-to-black” technique from 10% to 90% and vice versa.

We recorded Fall Time + Rise Time = 25 ms.

Well being impression – PWM / Blue Mild

PWM (Display flickering)

Pulse-width modulation (PWM) is a simple approach to management monitor brightness. Once you decrease the brightness, the sunshine depth of the backlight isn’t lowered, however as an alternative turned on and off by the electronics with a frequency indistinguishable to the human eye. In these mild impulses, the sunshine/no-light time ratio varies, whereas brightness stays unchanged, which is dangerous to your eyes. You possibly can learn extra about that in our devoted article on PWM.

Lenovo ThinkPad X390 Yoga doesn’t use PWM to regulate the brightness of its display at any degree. This makes it notably snug for prolonged durations of use on this facet.

Blue mild emissions

Putting in our Well being-Guard profile not solely eliminates PWM but in addition reduces the dangerous Blue Mild emissions whereas preserving the colours of the display perceptually correct. For those who’re not acquainted with the Blue mild, the TL;DR model is – emissions that negatively have an effect on your eyes, pores and skin and your entire physique. You’ll find extra details about that in our devoted article on Blue Mild.


Lenovo ThinkPad X390 Yoga has a touchscreen panel with a Full HD decision, an excellent distinction ratio, and cozy viewing angles. Furthermore, it has a large colour protection (97% of sRGB) and its backlight doesn’t flicker. Though the colours will not be very correct, as quickly as you apply our Gaming and Net design profile, they get into Net design commonplace territory.

Purchase our profiles

Since our profiles are tailor-made for every particular person show mannequin, this text and its respective profile package deal are meant for Lenovo ThinkPad x390 Yoga configurations with 13.Three″ AUO B133HAN05.9 (FHD, 1920 × 1080) IPS panel.

*Ought to you could have issues with downloading the bought file, attempt utilizing a unique browser to open the hyperlink you’ll obtain by way of e-mail. If the obtain goal is a .php file as an alternative of an archive, change the file extension to .zip or contact us at [email protected]

Learn extra concerning the profiles HERE.

Along with receiving environment friendly and health-friendly profiles, by shopping for LaptopMedia’s merchandise you additionally help the event of our labs, the place we check units to be able to produce probably the most goal critiques attainable.

Office Work - screen profile

Workplace Work

Workplace Work must be used principally by customers who spend more often than not taking a look at items of textual content, tables or simply browsing. This profile goals to ship higher distinctness and readability by protecting a flat gamma curve (2.20), native colour temperature and perceptually correct colours.

Design and Gaming - screen profile

Design and Gaming

This profile is aimed toward designers who work with colours professionally, and for video games and films as nicely. Design and Gaming takes show panels to their limits, making them as correct as attainable within the sRGB IEC61966-2-1 normal for Net and HDTV, at white level D65.

Health-Guard - screen profile

Well being-Guard

THealth-Guard eliminates the dangerous Pulse-Width Modulation (PWM) and reduces the adverse Blue Mild which impacts our eyes and physique. Because it’s customized tailor-made for each panel, it manages to maintain the colours perceptually correct. Well being-Guard simulates paper so the strain on the eyes is drastically lowered.



Lenovo ThinkPad X390 Yoga has a comparatively good high quality, fairly loud sound, coming from its audio system. Its low and mid tones have deviations, whereas the highs are clear.


You possibly can obtain all the drivers and utilities you want on Lenovo’s help web page:


Now, we conduct the battery checks with Home windows Higher efficiency setting turned on, display brightness adjusted to 120 nits and all different packages turned off apart from the one we’re testing the pocket book with. This laptop computer has a 50Wh battery pack.

It was sufficient for 10 hours of net searching and round 11 hours of video playback, which is fairly good – it’s going to final a full work day solely on battery energy.

CPU choices

As of the writing of this evaluation, this laptop computer has a few processor choices. Aside from the quad-core Core i5-8265U and Core i7-8565U, Lenovo is providing the gadget with the vPro model of the latter – the Core i7-8665U.

GPU choices

Intel UHD Graphics 620 is a refresh of the HD Graphics 620 discovered as an built-in answer in lots of ULV Kaby Lake processors. UHD Graphics 620 is codenamed “Kaby Lake R U GT2” and it’s part of the Gen 9.5 era.

Intel UHD Graphics 620 has roughly the identical efficiency as HD Graphics 620, relying on the opposite elements within the system. UHD Graphics 620’s efficiency is just like AMD Radeon R5 M420X and NVIDIA GeForce 910M/920M.

Gaming exams



Temperatures and luxury

Max CPU load

On this check we use 100% on the CPU cores, monitoring their frequencies and chip temperature. The primary column exhibits a pc’s response to a brief load (2-10 seconds), the second column simulates a critical activity (between 15 and 30 seconds), and the third column is an effective indicator of how good the laptop computer is for lengthy masses corresponding to video rendering.

Common core temperature (base frequency + X); CPU temp.

Intel Core i5-8265U (15W TDP) Zero:02 – Zero:10 sec Zero:15 – Zero:30 sec 10:00 – 15:00 min
Lenovo ThinkPad X390 Yoga 2.97 GHz (B+86%)@ 93°C 2.40 GHz (B+50%)@ 97°C 1.71 GHz (B+7%)@ 79°C
ASUS ZenBook Flip 13 UX362 2.92 GHz (B+83%)@ 82°C 2.53 GHz (B+58%)@ 97°C 1.26 GHz @ 63°C
ASUS ZenBook 13 UX333 Three.12 GHz (B+95%)@ 89°C 2.50 GHz (B+56%)@ 95°C 2.27 GHz (B+42%)@ 83°C
HP ProBook 440 G6 2.55 GHz (B+59%)@ 59°C 2.56 GHz (B+60%)@ 67°C 2.09 GHz (B+31%)@ 67°C
Acer Swift Three (SF314-56G) 2.67 GHz (B+67%)@ 93°C 2.16 GHz (B+35%)@ 86°C 1.66 GHz (B+four%)@ 71°C

We aren’t going to cover our frustration with how scorching the CPU was operating in the course of the torture check. Nevertheless, we will forgive the ThinkPad X390 Yoga, since it’s a fairly skinny system and its cooling potential is enormously decreased by that. Actually, the stress check began off nice, with the laptop computer with the ability to obtain 2.97 GHz. Expectedly, within the minutes to comply with, the clock velocity dropped progressively and reached 1.71 GHz (nonetheless above the bottom frequency).

Consolation throughout full load

ThinkPad X390 Yoga will get fairly scorching on the surface. We measured a most temperature of 48C, because the hotspot was between the “R” and “T” keys. On the brilliant aspect, the palm-rest space was comparatively cool.


Regardless of whether or not you’re looking at this gadget as a convertible or as a enterprise answer, in each methods it’s going to fulfill your wants completely. It’s as dependable as a ThinkPad and as versatile as a Yoga. This feels like a sacred mixture and it definitely feels as such – the laptop computer is loopy quick (even when paired with solely a SATA SSD).

One of the crucial spectacular options of the ThinkPad X390 Yoga is its keyboard – regardless of the skinny profile of the laptop computer, Lenovo managed to place a keyboard with an honest quantity of journey and sustaining a clicky sufficient really feel. Nevertheless, in distinction to the ThinkPad Yoga X1 Carbon, the keyboard doesn’t detract contained in the chassis, if you flip the laptop computer in pill mode.

Efficiency-wise there’s nothing to complain about – the Core i5-8265U in our unit was utilized at a adequate degree, though we observed a bit greater than regular temperatures, each in and out. On the brilliant aspect, the environment friendly processor leads to comparatively good battery life – 10 hours of net shopping and slightly bit extra when enjoying movies. Moreover, the 65W charging brick can cost the 50Wh battery pack from Zero to 80%.

As a half-laptop-half-tablet gadget, the ThinkPad X390 Yoga depends most dearly on its show. Being each an enter and an output peripheral, the display must be on a excessive degree. That is precisely what occurs right here because the AUO B133HAN05.9 panel is pretty brilliant, has excellent distinction and covers 97% of sRGB. Its default colour settings are a bit inaccurate, though when our Gaming and Net design profile is utilized, the colour accuracy improves by a ton. Extra particularly, we see a drop within the common dE from 5.7 right down to Zero.eight (the usual for Net design is 2.Zero).

Finally, this is likely one of the greatest choices in case you are eager on making a gift of some huge cash in your hardware – Sort-C charging and Thunderbolt connectivity are simply a number of the options which may persuade you in shopping for this laptop computer. Nevertheless, in the event you favor one thing rather less harsh in your price range – the Lenovo Yoga 730 (13″) is an excellent choice.


  • Industrial sturdy construct
  • Skinny and lightweight
  • Versatile and safe
  • Touchscreen is correct, whereas palm rejection is on level
  • Good battery life
  • Display doesn’t use PWM to regulate brightness ranges
  • Has a really excessive distinction ratio and a reasonably broad colour protection
  • Our Gaming and Net design profile makes the laptop computer good for Net designers
  • Sort-C charging and Thunderbolt connectivity


  • Priced fairly excessive
  • Will get just a little heat underneath the bonnet

You possibly can examine the costs and configurations in our Specs System:

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