In depth comparison and review of Lenovo ThinkPad X390 (20Q0) and ASUS P509FA (EJ370R). 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 (20Q0) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
compact and portable
strong security features
impressive battery life
responsive keyboard
average display brightness
limited graphics performance
no HDMI port
higher price point
Advantages and disadvantages of ASUS P509FA (EJ370R) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
affordable price point
adequate connectivity options
compact design
average display quality
limited graphics power
moderate battery life
no touchscreen option
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | - | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.22 kg | 1.9 kg |
| Colour | Black | Slate grey |
| DISPLAY | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Screen Size (Type) | 13.3" | 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, Narrow Border Display |
| PROCESSOR | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| CPU | No CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.9 GHz |
| Number of Cores | - | Quad-Core |
| Cache | - | 6 MB |
| 64-bit Computing | - | Yes |
| Features | - | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| RAM | (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 12 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 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Main Storage Size (HDD/SSD) | - | 512 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | - | Yes - VGA |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| Audio Features | - | ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|
| BATTERY | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 32 Wh |
| Battery Life | Up to 17.6 hours | - |
| AC ADAPTER | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| 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 X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| 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 X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| 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 Lenovo Ethernet extension connector Dock Headphone/microphone combo jack |
Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 HDMI USB-C 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Operating System (OS) | - | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X390 (20Q0) | ASUS P509FA (EJ370R) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) 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 | System password |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
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