In depth comparison and review of Lenovo ThinkPad X280 (20KE) and ASUS P1511CEA (EJI3X). 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 P1511CEA (EJI3X) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent battery life
fast SSD storage
average display quality
limited graphics performance
no backlit keyboard
fewer USB ports
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.77 cm x 20.98 cm x 1.78 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 1.26 kg | 1.8 kg |
| Case Material | Glass-fibre, magnesium-aluminum alloy | - |
| Colour | Black | Slate grey |
| DISPLAY | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Screen Size (Type) | 12.5" - TN | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| CPU | Intel Core i5 (8th Gen) 8350U / 1.7 GHz | Intel Core i3 (11th Gen) 1115G4 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 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 | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 SATA 6Gb/s - Samsung | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| COMMUNICATIONS | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Technology | 6-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 37 Wh |
| Battery Life | Up to 16.6 hours | - |
| AC ADAPTER | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 15 / 20 V | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Slots | - | 1 x Serial ATA (1 free) 1 x M.2 (PCI Express 3.0 x4) (0 free) |
|---|---|---|
| Interfaces | 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 |
Headphone/microphone combo jack 2 x USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI 1.4 LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X280 (20KE) | ASUS P1511CEA (EJI3X) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter, USB-A to RJ45 gigabit ethernet adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) solution |
| Security Slot Type | Kensington mini 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, MIL-STD-810G tested | System password, anti-shock hard drive |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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