In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS M515DA (EJ1298W). 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 Lenovo ThinkPad E15 Gen 4 (21ED) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
affordable price
average display quality
limited graphics power
moderate battery life
noisy under load
Advantages and disadvantages of ASUS M515DA (EJ1298W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
fast SSD storage
average battery life
mediocre display quality
limited upgrade options
no backlit keyboard.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 1.78 kg | 1.8 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | - |
| Colour | Black | Transparent silver |
| DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| 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 | 300 cd/m² | 200 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, NanoEdge display, 178° viewing angle, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD Ryzen 3 3250U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 3.5 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | L3 - 16 MB | L3 - 4 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - VGA |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Speaker, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman-branded | Output: ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Technology | Lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 37 Wh |
| Battery Life | Up to 16.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Chiclet keyboard, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 Gen 1 |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home in S mode |
|---|---|---|
| Software Included | - | McAfee, MyASUS |
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS M515DA (EJ1298W) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| 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, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password | ASUS Tru2Life Technology |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| 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 |
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