In depth comparison and review of Lenovo ThinkPad X390 Yoga (20NN) and Lenovo Yoga C940-14IIL (Lenovo Yoga C940). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkPad X390 Yoga (20NN) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
robust build quality
excellent keyboard comfort
good battery life
reliable performance
higher price point
limited graphics power
no 4K display option
modest storage capacity
Advantages and disadvantages of Lenovo Yoga C940-14IIL (Lenovo Yoga C940) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
vibrant 4k display
innovative garaged stylus
strong performance
good battery life
pricey for base model
limited port selection
no dedicated graphics
heavier than competitors
DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Product Type | Notebook - flip design | Notebook - flip design |
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Dimensions (WxDxH) | 31.04 cm x 21.9 cm x 1.595 cm | 32.03 cm x 21.56 cm x 1.57 cm |
Weight | 1.29 kg | 1.35 kg |
Case Material | Carbon fibre | Aluminum |
Colour | Black | Iron grey | Mica |
DISPLAY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Screen Size (Type) | 13.3" - IPS | 14" - IPS |
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Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 400 cd/m² |
Colour Gamut | 72% | 72% NTSC |
Features | Glossy, anti-reflective, anti-smudge, 170° viewing angle | Glossy, Dolby Vision, 72% NTSC colour gamut |
PROCESSOR | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz |
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Max Turbo Speed | 3.9 GHz | 3.7 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
Speed | 2400 MHz | 3733 MHz |
Rated Speed | 2666 MHz | 3733 MHz |
STORAGE | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Plus Graphics |
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Camera | Yes - 720p | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | IR camera, ThinkShutter camera privacy | Privacy shutter |
Sound | Stereo speakers, dual array microphone | Four speakers, dual array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Atmos |
COMMUNICATIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | Intel Wireless-AC 9560 | M.2 Card |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Dual stream (2x2) |
WWAN |
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Generation | 4G | - |
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Technology | LTE | - |
Controller | FIBOCOM L830-EB - M.2 Card | - |
BATTERY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Technology | Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 50 Wh | 60 Wh |
Battery Life | Up to 14.5 hours | Up to 17.8 hours |
AC ADAPTER | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, digitizer, touchpad, digital pen |
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Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Slots | 1 x Nano-SIM card (1 free) | - |
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Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Dock Headphone/microphone combo jack Lenovo Ethernet extension connector |
2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.1 Gen 2 Headphone/microphone combo jack |
Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) |
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Dockable | Yes | - |
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Included Accessories | ThinkPad Pen Pro, USB-C power adapter | USB-C power adapter, Lenovo Active Pen |
Integrated Options | 3-axis gyro sensor, 3-axis accelerometer | Accelerometer |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, power-on password |
Compliant Standards | RoHS | RoHS |
SAR Value | 1.696 W/kg (body), 1.696 W/kg (limb) | 1.23 W/kg (body), 1.23 W/kg (limb) |
ENERGY STAR Certified | Yes | Yes |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
Model Number | - | 14IIL 81Q9 |