In depth comparison and review of ASUS 15 (M509DA) and Lenovo ThinkPad L14 Gen 4 (21H5). 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 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
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 4 (21H5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
adequate performance level
reliable security features
average display quality
heavier design
limited graphics power
higher price point
| DESIGN AND DIMENSIONS | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 2.29 cm | 32.54 cm x 21.7 cm x 1.983 cm |
| Weight | 1.8 kg | 1.4 kg |
| Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Transparent silver | Thunder black |
| DISPLAY | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | 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 | 45% NTSC |
| Features | Anti-glare, NanoEdge display | Anti-glare |
| PROCESSOR | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| CPU | AMD Athlon Silver 3050U / 2.3 GHz | AMD Ryzen 5 Pro 7530U / 2 GHz |
|---|---|---|
| Max Turbo Speed | 3.2 GHz | 4.5 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | L2 - 4 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | - | Integrated memory controller |
| MEMORY | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x2 | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes - VGA | Yes - 1080p |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Speaker, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | ASUS SonicMaster | Input: Dolby Voice, far-field |
| COMMUNICATIONS | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | AMD RZ616 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Technology | 2-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 57 Wh |
| AC ADAPTER | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt |
| INPUT | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Operating System (OS) | No operating system | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | ASUS 15 (M509DA) | Lenovo ThinkPad L14 Gen 4 (21H5) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | EJ381 | - |
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