Side by side comparison and review of ASUS VivoBook 14 (X420UA) and Lenovo ThinkPad E490 (20N9). 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 E490 (20N9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
decent battery life
solid performance
average display quality
heavier design
no thunderbolt support
limited graphics power
| DESIGN AND DIMENSIONS | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.24 cm x 21 cm x 1.77 cm | 32.9 cm x 24.2 cm x 1.99 cm |
| Weight | 1.4 kg | 1.75 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Transparent silver | Black |
| DISPLAY | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Screen Size (Type) | 14" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, NanoEdge display | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.9 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | 2133 MHz | 2666 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 SATA 6Gb/s | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Conexant CX11880 |
| Compliant Standards | - | High Definition Audio, Dolby Advanced Audio |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 9260 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 38 Wh | 45 Wh |
| Battery Life | - | Up to 13 hours |
| AC ADAPTER | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt |
| INPUT | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.1 Gen 1 USB 3.1 Gen 1 USB 2.0 HDMI |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) USB 2.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook 14 (X420UA) | Lenovo ThinkPad E490 (20N9) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, ASUS Battery Health charging technology | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| SAR Value | 0.286 W/kg (body), 0.286 W/kg (limb) | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Model Number | EK019T | - |
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