In depth comparison and review of Lenovo ThinkPad X1 Extreme (20MF) and ASUS P540UA (DM1491R). 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 P540UA (DM1491R) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
adequate connectivity options
good keyboard feel
average display quality
limited graphics capabilities
moderate battery life
no touchscreen feature
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm | 38.1 cm x 25.1 cm x 2.72 cm |
| Weight | - | 1.9 kg |
| Case Material | Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic | - |
| Colour | Black | Chocolate black IMR with hairline (LCD cover), gold IMR with hairline (top) |
| DISPLAY | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | - | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 200 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, Ultra Slim Design Bezel |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| CPU | No CPU | Intel Core i5 (7th Gen) 7200U / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.1 GHz |
| Number of Cores | - | Dual-Core |
| Cache | - | 3 MB |
| Chipset | Mobile Intel CM246 | - |
| MEMORY | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| RAM | - | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 2 | - |
| STORAGE | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD 2.5" SATA |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Graphics Processor (GPU) | - | Intel HD Graphics 620 |
|---|---|---|
| Camera | - | Yes - VGA |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3286 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Atmos | - |
| Audio Features | - | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|
| BATTERY | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 33 Wh |
| Battery Life | Up to 14.9 hours | - |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C (supports Thunderbolt 3) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector |
Headphone/microphone combo jack USB 3.0 2 x USB 2.0 HDMI |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (20MF) | ASUS P540UA (DM1491R) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| 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 | System password, hard drive password |
| Compliant Standards | RoHS | - |
| SAR Value | 0.193 W/kg (body), 0.193 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
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