In depth comparison and review of Lenovo ThinkPad X390 (20Q0) and ASUS 15 (X515JA). 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 15 (X515JA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
good connectivity options
average battery life
basic display quality
limited storage capacity
no dedicated graphics
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | - | 35.9 cm x 23.5 cm x 1.99 cm |
| Weight | 1.22 kg | 1.8 kg |
| Case Material | - | Plastic |
| Colour | Black | Silver | Slate grey |
| DISPLAY | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| 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 | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| CPU | No CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.4 GHz |
| Number of Cores | - | Dual-Core |
| Cache | - | 4 MB |
| Features | - | Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| RAM | (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| 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 15 (X515JA) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | - | Yes - HD |
| Sound | Stereo speakers, dual array microphone | Speaker, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| Audio Features | - | ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Technology | Lithium Ion | 3-cell |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 37 Wh |
| Battery Life | Up to 17.6 hours | Up to 7.7 hours |
| AC ADAPTER | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt, 19 V, 3.42 A |
| INPUT | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x2) (0 free) |
|---|---|---|
| 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 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| Operating System (OS) | - | Windows 11 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X390 (20Q0) | ASUS 15 (X515JA) |
|---|
| 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 | 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, RapidCharge, MIL-STD-810G tested | System password |
| Compliant Standards | RoHS | - |
| Repairability Index | - | 6.1 (out of 10) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | - | International warranty - 1 year |
| Model Number | - | EJ2133W |
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