In depth comparison and review of Lenovo ThinkPad X390 Yoga (20NN) and ASUS BR1402F (PS81XA). 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 ASUS BR1402F (PS81XA) based on its technical characteristics, features, user experience, expert reviews and price level.
compact lightweight design
efficient multitasking performance
affordable price point
decent battery life
solid build quality
average display quality
limited graphics capabilities
fewer connectivity options
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 31.04 cm x 21.9 cm x 1.595 cm | 33.29 cm x 22.89 cm x 2.1 cm |
| Weight | 1.29 kg | 1.69 kg |
| Case Material | Carbon fibre | Plastic |
| Colour | Black | Mineral grey |
| DISPLAY | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes |
| LCD Backlight Technology | 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 | 250 cd/m² |
| Colour Gamut | 72% | 45% NTSC |
| Features | Glossy, anti-reflective, anti-smudge, 170° viewing angle | Glossy, Corning Gorilla glass, WideView |
| PROCESSOR | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel N-series N200 |
|---|---|---|
| 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 | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 128 GB SSD - UFS |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD (front) |
| Resolution | - | 13 Megapixel (rear) |
| Camera Features | IR camera, ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Dual speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| Audio Features | - | Output: Audio by Dirac |
| COMMUNICATIONS | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 50 Wh |
| Battery Life | Up to 14.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 15 V, 3 A |
| INPUT | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, touchpad, stylus |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| 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 |
HDMI 1.4 USB 2.0 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack LAN |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Pro Education |
|---|---|---|
| Software Included | - | Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X390 Yoga (20NN) | ASUS BR1402F (PS81XA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | ThinkPad Pen Pro, USB-C power adapter | USB-C power adapter, MPP 2.0 garaged stylus |
| Integrated Options | 3-axis gyro sensor, 3-axis accelerometer | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Hard drive password, LED indicator, fingerprint-resistant coating, modular design, rubber bumper, MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard |
| Compliant Standards | RoHS | RoHS, REACH, FSC Mix |
| SAR Value | 1.696 W/kg (body), 1.696 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
| Model Number | - | 3Y |
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