Detailed comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS X515MA (EJ539W). 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 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 X515MA (EJ539W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate connectivity options
efficient daily performance
average battery life
basic display quality
limited graphics performance
slower HDD storage
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 36.02 cm x 23.49 cm x 1.99 cm |
Weight | 1.78 kg | 1.8 kg |
Case Material | Aluminium (top), polycarbonate ABS (bottom) | Plastic (top), plastic (bottom), plastic (LCD cover) |
Colour | Black | Transparent silver (LCD cover), transparent silver (top), transparent silver (bottom) |
DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Screen Size (Type) | 15.6" - IPS | 15.6" |
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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, 83% screen-to-body ratio |
PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Celeron N4020 / 1.1 GHz |
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Max Turbo Speed | 4.3 GHz | 2.8 GHz |
Number of Cores | 6-core | Dual-Core |
Cache | L3 - 16 MB | 4 MB |
Features | Integrated memory controller | - |
MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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RAM | 8 GB (provided memory is soldered) | 8 GB |
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Max RAM Supported | 40 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 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB HDD SATA / 5400 rpm |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics 600 |
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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 | Speakers, 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 X515MA (EJ539W) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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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 X515MA (EJ539W) |
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Technology | Lithium polymer | 2-cell Lithium Ion |
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Battery Capacity (Size) | 57 Wh | 37 Wh |
Battery Life | Up to 16.5 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 33 Watt, 19 V, 1.75 A |
INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Slots | 2 x M.2 Card (1 free) | 1 x M.2 (PCI Express 3.0 x2) (1 free) |
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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 USB-C 3.2 Gen 1 HDMI 2 x USB 2.0 |
SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515MA (EJ539W) |
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Included Accessories | USB-C power adapter | Power adapter, backpack, wired USB optical mouse |
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Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) solution |
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 | System password |
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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