Side by side comparison and review of Lenovo ThinkPad X390 and ASUS A509JA (EJ077T). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad X390 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
compact and portable
reliable performance
average display brightness
limited graphics capability
noisy under load
higher price point
Advantages and disadvantages of ASUS A509JA (EJ077T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
lightweight design
solid state drive included
full hd display
decent processor performance
average battery life
limited graphics capability
no backlit keyboard
fewer connectivity options
DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 31.2 cm x 21.72 cm x 1.69 cm | 36 cm x 23.5 cm x 2.29 cm |
Weight | 1.33 kg | 1.9 kg |
Colour | - | Transparent silver |
DISPLAY | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Screen Size (Type) | 13.3" - TN | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 200 cd/m² |
Colour Gamut | 45% | 45% NTSC |
Features | Anti-glare, 90° viewing angle | Anti-glare |
PROCESSOR | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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CPU | Intel Core i5 (8th Gen) 8365U / 1.6 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
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Max Turbo Speed | 4.1 GHz | 3.6 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
MEMORY | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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RAM | 8 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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Max RAM Supported | - | 12 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Main Storage Size (HDD/SSD) | 256 GB SSD | 512 GB SSD M.2 PCIe - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
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Camera | Yes - 720p | 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 | ASUS A509JA (EJ077T) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Intel Wireless-AC 9560 | - |
Network Interface | Gigabit Ethernet | - |
BATTERY | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Technology | Lithium Ion | 2-cell Lithium Ion |
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Battery Capacity (Size) | - | 32 Wh |
AC ADAPTER | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | - | 45 Watt, 19 V, 2.37 A |
INPUT | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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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 LAN (on supplied cable) |
Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
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Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home 64-bit Edition |
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MISCELLANEOUS | Lenovo ThinkPad X390 | ASUS A509JA (EJ077T) |
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Dockable | Yes | - |
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Included Accessories | - | Power adapter |
Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | - | System password, hard drive password |
Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | - |
SAR Value | - | 0.13 W/kg (body), 0.13 W/kg (limb) |
ENERGY STAR Certified | Yes | - |