Detailed comparison and review of Lenovo ThinkPad T490 (20N2) and ASUS 15 (M509DA). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad T490 (20N2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
mediocre display quality
limited graphics power
noisy under load
heavier than competitors
Advantages and disadvantages of ASUS 15 (M509DA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
decent battery life
average display quality
limited upgrade options
no backlit keyboard
mediocre sound output
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.7 cm x 1.79 cm | 36.02 cm x 23.49 cm x 2.29 cm |
| Weight | 1.55 kg | 1.8 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | - |
| Colour | Black | Transparent silver |
| DISPLAY | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% | 45% NTSC |
| Features | Anti-glare | Anti-glare, NanoEdge display |
| PROCESSOR | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | AMD Athlon Silver 3050U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.2 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | L2 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 x2 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | ThinkShutter camera privacy | - |
| 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 T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 32 Wh |
| Battery Life | Up to 16.11 hours | - |
| AC ADAPTER | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Dock Headphone/microphone combo jack LAN |
Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T490 (20N2) | ASUS 15 (M509DA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | 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, MIL-STD-810G tested | System password |
| Compliant Standards | RoHS | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R |
| SAR Value | - | 0.13 W/kg (body), 0.13 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
| Model Number | - | EJ381 |
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