In depth comparison and review of ASUS 14 (X409JA) and Lenovo ThinkPad X280 (20KF). 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 ASUS 14 (X409JA) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 360-degree hinge
responsive touchscreen display
solid build quality
efficient Chrome OS
good battery life
limited app compatibility
modest storage capacity
no high-end graphics
fewer ports available
| DESIGN AND DIMENSIONS | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.5 cm x 21.6 cm x 2.29 cm | 30.77 cm x 20.98 cm x 1.78 cm |
| Weight | 1.5 kg | 1.26 kg |
| Case Material | - | Glass-fibre, magnesium-aluminum alloy |
| Colour | Transparent silver | Black |
| DISPLAY | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Screen Size (Type) | 14" | 12.5" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - VGA | Yes - 720p |
| Camera Features | - | ThinkShutter camera privacy |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE |
| Controller | - | FIBOCOM L830-EB - M.2 Card |
| BATTERY | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Technology | 2-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 48 Wh |
| Battery Life | - | Up to 16.6 hours |
| AC ADAPTER | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt, 20 V, 3.25 A |
| INPUT | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Slots | - | Nano-SIM card |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 3.0 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Lenovo Ethernet extension connector Dock Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS 14 (X409JA) | Lenovo ThinkPad X280 (20KF) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington mini 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 |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | RoHS |
| SAR Value | 0.196 W/kg (body), 0.196 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | - | Limited warranty - 3 years - pick-up and return |
| Model Number | EK022T | - |
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