In depth comparison and review of Lenovo ThinkPad X390 (20Q0) and ASUS A509JA (EJ079T). 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 A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive touchpad
crisp full hd display
adequate connectivity options
competitive pricing
average battery life
modest graphics performance
no backlit keyboard
limited upgradeability
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 | Transparent silver |
| DISPLAY | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 |
| PROCESSOR | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| CPU | No CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.9 GHz |
| Number of Cores | - | Quad-Core |
| Cache | - | 8 MB |
| 64-bit Computing | - | Yes |
| MEMORY | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 A509JA (EJ079T) |
|---|
| Main Storage Size (HDD/SSD) | - | 512 GB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel Iris Plus Graphics |
|---|---|---|
| Camera | - | Yes |
| Sound | Stereo speakers, dual array microphone | Speaker, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| Audio Features | - | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower |
| COMMUNICATIONS | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|
| BATTERY | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 A509JA (EJ079T) |
|---|
| 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 A509JA (EJ079T) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| Operating System (OS) | - | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X390 (20Q0) | ASUS A509JA (EJ079T) |
|---|
| 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 |
| 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 | - | 0.13 W/kg (body), 0.13 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
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