Detailed comparison and review of Lenovo ThinkPad E585 (20KV) 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 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 E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.9 cm x 25.2 cm x 1.995 cm | 36.02 cm x 23.49 cm x 2.29 cm |
| Weight | 2.1 kg | 1.8 kg |
| Case Material | Aluminum | - |
| Colour | Black | Transparent silver |
| DISPLAY | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Screen Size (Type) | 15.6" - 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% NTSC |
| Features | Anti-glare | Anti-glare, NanoEdge display |
| PROCESSOR | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| CPU | AMD Ryzen 5 2500U / 2 GHz | AMD Athlon Silver 3050U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 3.2 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 4 MB | L2 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 x2 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Sound | Stereo speakers, dual array microphone | Speaker, microphone |
| Codec | CX11852 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | - |
| Audio Features | - | ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Qualcomm 435-AC - M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek R8111GUS | - |
| BATTERY | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 32 Wh |
| Battery Life | Up to 8.63 hours | - |
| AC ADAPTER | Lenovo ThinkPad E585 (20KV) | 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 E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Spill-resistant, multi-touch touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Interfaces | USB 3.1 USB 3.1 (Always On) USB 2.0 HDMI LAN USB-C 3.1 Gen 2 (Power Delivery/data/video) Headphone/microphone combo jack |
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 E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | No operating system |
|---|---|---|
| Software Included | Lenovo Companion, McAfee LiveSafe (30 days trial), PC Manager | - |
| MISCELLANEOUS | Lenovo ThinkPad E585 (20KV) | ASUS 15 (M509DA) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | - | 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 | 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 |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | EJ381 |
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