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日本Lenovo Yoga Slim 7x Gen 9 (14 Snapdragon) review – Capable Ultraportable for Quiet Workspaces
The 14.5-inch Lenovo Yoga Slim 7x Gen 9 is one of the latest Copilot+ PCs. All devices of this series come as a full package with a few exceptions here and there. This laptop has minimal optional features which is good news. You can choose between a 10-core Snapdragon X Plus X1P-64-100 or a 12-core X Elite X1E-78-100 CPU. We picked a machine with the latter. As you may already know, these chips are pretty powerful when it comes to AI tasks but they are also efficient at the same time. Yes, the battery life is great! You can change the 2242 SSD but the Wi-Fi 7 card is soldered as well as the RAM.
The display is an OLED touchscreen with a 90Hz refresh rate, 2944×1840 resolution, and HDR capabilities. We’ll hint that this screen is suitable for content creation.
The machine offers top-end build quality, four stereo speakers, and a Microsoft Pluton TPM 2.0 chip. A fingerprint reader isn’t available even as an option.
You can check the prices and configurations in our Specs System: https://laptopmedia.com/series/lenovo-yoga-slim-7-14q8x9/
Contents
Specs, Drivers, What’s in the box
Lenovo Yoga Slim 7 (14Q8X9) - Specs
- HDD/SSD
- up to 1000GB SSD
- M.2 Slot
- 1x 2242 PCIe NVMe 4.0 x4 See photo
- RAM
- up to 32GB
- OS
- Windows 11 Home, Windows 11 Pro
- Body material
- Aluminum
- Dimensions
- 325 x 225.15 x 12.9 mm (12.80" x 8.86" x 0.51")
- Weight
- 1.28 kg (2.8 lbs)
- Ports and connectivity
- 3x USB Type-C
- 4.0, Thunderbolt 4, Power Delivery (PD), DisplayPort
- Card reader
- Ethernet LAN
- Wi-Fi
- 802.11be
- Bluetooth
- 5.4
- Audio jack
- Features
- Fingerprint reader
- Web camera
- FHD IR with e-shutter, fixed focus
- Backlit keyboard
- Microphone
- Quad-microphone array
- Speakers
- 2x 2W Tweeters + 2x 2W Woofers, optimized with Dolby Atmos, Smart Amplifier (AMP)
- Optical drive
- Security Lock slot
All Lenovo Yoga Slim 7 (14Q8X9) configurations
Drivers
All drivers and utilities for this notebook can be found here: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/yoga-series/yoga-slim-7-14q8x9/downloads
What’s in the box?
We found a couple of manuals and a 65W Type-C charger in the box. Some machines are bundled with an optional Lenovo USB-C 4-in-1 Hub (USB-C to VGA / HDMI / USB-A / Combo audio jack).
Design and construction
The Yoga Slim 7x Gen 9 looks like a typical premium Lenovo machine – sleek and modern. The all-aluminum build is solid. The keyboard deck doesn’t wobble even during harsh typing. The portability is where this laptop shines bright. It stops the scales at 1.28 kg and the profile thickness is just 12.9 mm!
The lid opens effortlessly with just one hand. However, the bottom feet aren’t grippy, and the device slides with ease on the desk while trying to open it (or at least in our case).
Super thin bezels around a color-accurate OLED display – what a view! The 1080p IR Web camera for Windows Hello is placed on top.
This machine can’t lay fully flat but the max angle of opening isn’t too limited.
Aside from the hard-to-press “Up” and “Down” Arrows, the keyboard is a gem. It features a backlight, large keycaps with long travel, and an MS Copolot hotkey.
The glass touchpad is pretty large (80 x 135 mm) for a 14.5″ laptop. The unit is smooth and tracking feels great. Still, the clicking mechanism is a bit louder than usual on press.
The sizable vent on the bottom almost reveals the whole cooling system. The panel also houses three rubber feet, two speaker cutouts, and a Novo button hole. The heat is being exhausted via a vent on the back. It aims at the hinge cover so not much hot air reaches the screen during heavy loads.
Ports
This device has three 40 Gbps USB4 ports that support USB PowerDelivery 3.1 and DisplayPort 1.4. Two of them are on the left and the other one is on the right accompanied by a Power button and an E-shutter switch.
Display and Sound Quality, Get our Profiles
| Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) | LEN145WQ+ (LEN8AC2) |
| Diagonal | 14.5 inches (36.9 cm) |
| Panel Type | OLED Touch |
| Resolution | 2944 x 1840 pixels |
| Max Refresh Rate | 90 Hz |
| Aspect Ratio | 16:10 |
| Pixel Density | 240 PPI |
| ‘Retina’ Distance | Greater than or equal to 36 cm |
Viewing Angles
Viewing angles are good. We take photos from different angles to evaluate the quality.
Also, a video with locked focus and exposure.
Color Coverage
The whole “sail-shaped” map below (Fig. 1) consists of all the colors we can see, while the black crooked line shows all the colors from real-world scenes and nature around us.
Then, we’ve drawn some of the most important and interesting color spaces, compared to the colors the panel of Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) can show:
Standard/For Web: sRGB – widely used color space for most consumer devices, ideal for Web design and development
For Print: AdobeRGB – used in professional photo editing, graphic design, and print
For Photographers/Video Editors: DCI-P3 – used in high-end film production, post-production, and digital cinema
Premium HDR: Rec.2020 – the widest consumer ITU color standard, covering a massive 75.8% of the visible spectrum, a benchmark for premium HDR content
Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon): the yellow dashed triangle (– – – – – –) represents the range of colors this monitor can display.
In our tests, we calculated the total color coverage of the monitor at 100% of the sRGB color gamut and 100% of the DCI-P3 color gamut.
(Fig.1) Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) covers 100% of the DCI-P3 gamut
The “X-Rite Color Assistant” app emulates Display P3 and sRGB color spaces.
(Fig.2) Display P3
(Fig.3) sRGB
Brightness and Contrast
The maximum brightness in HDR mode is 929 cd/m² at 8% white fill and 714 cd/m² on a full white screen.
The maximum brightness in SDR mode is 502 cd/m² in the center of the screen and 498 cd/m² averaged across the surface with a maximum deviation of 4%.
The Correlated Color Temperature (CCT) on a white screen at maximum brightness is 6230K (“Not Calibrated” mode in “X-Rite Color Assistant” app).
The contrast ratio of OLED panels is excellent because the pixels turn off completely when displaying black.
Uniformity: Luminance, Contrast, and Color Deviation
The figure below shows the results from our uniformity test across different sections of the screen. It’s measured at 185 nits (Windows slider = 68%) — a brightness level we consider typical for standard working conditions.
DeltaE values below 4.0 are acceptable for regular users. For those working with colors, screens with DeltaE values no higher than 2.0 are recommended.
Color Accuracy
Let’s check the difference between real colors and those you’ll see on the Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon). We measure that distance in DeltaE – the higher the number, the more different they look.
Values below 4.0 are acceptable for regular users, while values below 2.0 are suitable for color-sensitive work. A value below 1.0 means the difference is indistinguishable to the naked eye.
For the next graph, we’ve selected 24 common colors, including dark/light skin, blue sky, green grass, etc.
Below are the results of the Yoga Slim 7x Gen 9 (14″ Snapdragon) in its factory condition (HDR off) compared to Display P3 and sRGB color spaces.
(Fig. 4) Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) in Display P3
(Fig. 5) Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) in sRGB
Health Impact: PWM (Screen flickering)
Some use PWM to regulate their brightness, which means that instead of reducing the light intensity, they pulse or flicker. Our brain merges the image, so it appears darker, but this strains both it and our vision, especially when the frequency of the pulses is low. You can read more about that in our dedicated article on PWM.
In the graph below, you see the intensity of light at different brightness levels—on the vertical axis is the brightness of the emitted light, and on the horizontal axis—time.
The luminance of the Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) display is PWM controlled up to about 70 cd/m2. When the brightness is higher, we observe ripples of limited amplitude. Therefore, we consider the display to be sufficiently comfortable for vision in the considered aspect.
Health Impact: Blue light emissions
Installing our Health-Guard profile reduces harmful Blue Light emissions while keeping the colors of the screen perceptually accurate.
If you’re not familiar with the Blue light, the TL;DR version is – emissions that negatively affect your eyes, skin, and your whole body. You can find more information about that in our dedicated article on Blue Light.
Health Impact: Screen Reflectance
Glossy-coated displays can cause eye fatigue in high ambient light conditions due to reflections. We measure the level of screen reflection with the display turned off, at a 60° angle.
The reflectance of the Lenovo Yoga Slim 7x Gen 9’s screen is 127 GU.
High Gloss: >70 GU
Medium Gloss: 30 – 70 GU
Low Gloss: <30 GU
Get our profiles
Since our profiles are tailored for each individual display model, this article and its respective profile package are meant for Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) configurations with LEN145WQ+ (LEN8AC2), 2944 x 1840, OLED panel.
*Should you have problems with downloading the purchased file, try using a different browser to open the link you’ll receive via e-mail. If the download target is a .php file instead of an archive, change the file extension to .zip or contact us at [email protected].
Read more about the profiles HERE.
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.
Get all 3 profiles with 33% discount
Sound
Lenovo Yoga Slim 7x Gen 9’s sound, emitted by 4 x speakers with Dolby Atmos Audio, is of very good quality. The low, mid, and high frequencies are clear.
Performance: CPU, GPU, Storage
All benchmarks and tests were conducted with the “Best performance” preset applied in the Windows “Power & Battery” menu.
CPU options
This machine can be found with Snapdragon X Plus X1P-64-100 or Snapdragon X Elite X1E-78-100.
Our device has an X1E-78-100 chip.
GPU options
All machines of this Lenovo series rely on the Qualcomm Snapdragon X Elite Adreno GPU for graphics tasks.
Gaming tests
| Counter-Strike 2 | HD 1080p, Low (Check settings) | HD 1080p, Medium (Check settings) | HD 1080p, Very High (Check settings) |
| Average FPS | 47 FPS | 45 FPS | 18 FPS |
Storage performance
Our laptop has a 1TB SAMSUNG PM9C1a (MZAL81T0HDLB-00BL2). It’s fast and decently cooled.
[eBook Guide + Tools] How to MAX OUT Your Laptop
You can make your laptop Faster. LaptopMedia has tested thousands of models in the last 15 years, and we have yet to see a notebook that couldn't be made more powerful through modifications.
That's why we decided to bundle everything we know about how to achieve this in an Easy-to-Follow, Step-by-Step, and Laboratory-Tested, all in one project.
Read more about it here:
[eBook Guide + Tools] How to MAX OUT Your Laptop
🛠️ GPU Modifications: vBIOS, Overclocking, Undervolting
⚙️ Building Fast/Reliable RAID configuration
💻 Hardware upgrade tips for best results
🖼 Display enhancing
💾 OS Optimization for best performance
Temperatures and comfort, Battery Life
Max CPU load
In this test we use 100% on the CPU cores, monitoring their frequencies and chip temperature. The first column shows a computer’s reaction to a short load (2-10 seconds), the second column simulates a serious task (between 15 and 30 seconds), and the third column is a good indicator of how good the laptop is for long loads such as video rendering.
Average core frequency
| Qualcomm Snapdragon X Elite X1E-78-100 (35W TDP) | 0:02 – 0:10 sec | 0:15 – 0:30 sec | 10:00 – 15:00 min |
|---|---|---|---|
| Lenovo Yoga Slim 7x Gen 9 (14″ Snapdragon) | 3.42 GHz | 3.42GHz | 2.48 GHz |
| ThinkPad T14s Gen 6 (14″ Snapdragon) | 3.42 GHz | 3.39 GHz | 1.67 GHz |
| ASUS Vivobook S 15 OLED S5507 | 3.40 GHz | 3.40 GHz | 3.40 GHz |
The Yoga Slim 7x and its Snapdragon X Elite X1E-78-100 maintain a rock-solid 3.42 GHz clock in short and medium loads. In the long run, the frequency is hindered to 2.48 GHz which is still a fine result considering the much lower score of the ThinkPad T14s with the same chip.
Comfort during full load
In “Best Performance” mode, the fan duo remains quiet even when the Qualcomm processor is loaded at max.
In this scenario, the hotspot on the keyboard reaches 49°C while the one on the bottom displays bezel is 1°C warmer.
Battery
Now, we conduct the battery tests with the Windows Best Power Efficiency setting turned on, screen brightness adjusted to 180 nits and all other programs turned off except for the one we are testing the notebook with. The 70Wh battery pack lasts for around 16 hours of video playback. Оur test was conducted with the “Energy Saver” preset activated in the Windows “Power & Battery” menu.
Disassembly, Upgrade options, and Maintenance
To open this Copilot+ PC, you have to undo just 4 Torx-head screws. Pop the back close to the top corners with a lever tool. Then fully pry the rear with a thin plastic tool and do the same for the sides and the front. The internal clip in the center is super stiff. To release it, raise the panel on the left or right and wiggle it slightly.
Here’s how the bottom plate looks on the inside.
This machine is equipped with a 70Wh battery. To remove it, unplug the connector from the motherboard by pulling it towards the battery, untangle the Wi-Fi card and speaker cables around the battery housing, and undo the five Phillips-head screws that hold the battery in place. The capacity is enough for around 16 hours of video playback. A great result given the high-res OLED display!
Since that’s a Snapdragon-based laptop, the memory is soldered. You get 16GB or 32GB of LPDDR5x-8448MHz RAM in dual-channel mode. You get just one M.2 slot for 2242 Gen 4 SSDs. The NVMe drive is covered in a Mylar heat shield. We found a decently sized thermal pad below the SSD.
The Wi-Fi 7 card isn’t replaceable and it’s almost entirely hidden under the bottom left side of the thermal system.
The cooling looks good for a device that lacks a dGPU. It comprises two fans, a pair of extra long heat pipes, a sizable top-mounted heat sink, and a hefty metal plate.
Verdict
The Yoga Slim 7x Gen 9 is a thin and portable machine. It feels amazingly responsive for daily tasks thanks to the high clocks of the Snapdragon processor and the fast SAMSUNG PM9C1a SSD. Because of the capable cooling with a dual-fan design, the comfort under load is on point. The keyboard doesn’t get hot during heavy loads and the fans are also quiet. Neat! The keyboard with its long key travel is for the typists out there and the large touchpad is accurate.
That’s a laptop with a Qualcomm SoC and yes, the upgradability isn’t among its advantages. You can change the battery and the SSD, that’s all. The removal of the bottom plate seems easy which is handy when you want to clean the internals.
The thing that impresses us the most regarding this notebook is the superb 90Hz OLED HDR display (LEN145WQ+ (LEN8AC2)). It offers full sRGB and DCI-P3 coverage alongside very good color accuracy. The max brightness in SDR mode is 502 nits and 929 nits while watching HDR content.
The Yoga Slim 7x Gen 9 (14″ Snapdragon) is a thin yet capable machine with a very long battery life, premium build quality, modern port selection, and up-to-date connectivity.
You can check the prices and configurations in our Specs System: https://laptopmedia.com/series/lenovo-yoga-slim-7-14q8x9/
Pros
- Quiet fans during heavy loads in “Best Performance” mode
- Thin and light (12.9 mm / 1.28 kg)
- Solid aluminum build
- Feels super responsive for daily or office tasks
- 90Hz OLED touchscreen with 2944×1840 resolution (LEN8AC2)
- 16:10 aspect ratio and wide viewing angles (LEN8AC2)
- 100% sRGB and DCI-P3 coverage (LEN8AC2)
- Infinite contract ratio (LEN8AC2)
- 502 nits / 929 nits of max brightness in SDR / HDR mode (LEN8AC2)
- HDR and Dolby Vision capabilities (LEN8AC2)
- 1080p IR Web camera
- E-shutter switch
- Comfortable backlit keyboard
- Smooth and accurate touchpad
- Modern port selection 3x USB4 ports
- The Snapdragon X Elite X1E-78-100 sustains a 3.42 GHz / 2.42 GHz frequency in short and long loads
- Very long battery life (~16 hours of videos)
- Fast SSD (SAMSUNG PM9C1a)
- Quality audio
- Wi-Fi 7 + Bluetooth 5.4
Cons
- No Type-A ports
- No fingerprint reader
- PWM usage (LEN8AC2)
- Some apps and games still don’t work at all
- Soldered RAM and Wi-Fi card + just one M.2 slot
- Poor iGPU gaming performance
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Nie wiem, czy to te, nie jest wada – być może nie samego laptopa, co bardziej procesora Snapdragona, a być może Windiwsa 11 na ARM-są trudności w zainstalowaniu sterowników do urządzeń wielofunkcyjnych HP pochodzących od HP. Próba ich instalacji niezależnie od trybu zgodności i poziomu emulacji, nic nie daje. Jakimś remendium na to są sterowniki od Windows, ale wtedy nie panujemy w pełni na urządzeniem