Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS E510MA (EJ040WS). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 E510MA (EJ040WS) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
compact design
lightweight for mobility
decent battery life
solid build quality
average performance
limited storage capacity
no backlit keyboard
basic display quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 36.02 cm x 23.64 cm x 1.81 cm |
Weight | 1.78 kg | 1.57 kg |
Case Material | Aluminium (top), polycarbonate ABS (bottom) | - |
Colour | Black | Star black |
DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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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) |
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 |
PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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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 | - |
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 E510MA (EJ040WS) |
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RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
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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 | - |
Slots Qty | 1 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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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) | 64 GB eMMC |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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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 - HD |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | - |
Sound | Stereo speakers, dual array microphone | Dual 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 E510MA (EJ040WS) |
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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 E510MA (EJ040WS) |
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Technology | Lithium polymer | 3-cell Lithium Ion |
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Battery Capacity (Size) | 57 Wh | 42 Wh |
Battery Life | Up to 16.5 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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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 E510MA (EJ040WS) |
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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 E510MA (EJ040WS) |
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Slots | 2 x M.2 Card (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 HDMI 1.4 USB-C 3.2 Gen 1 USB 2.0 |
SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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Operating System (OS) | Windows 11 Pro - English | Windows 11 Home in S mode |
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Software Included | - | McAfee LiveSafe (30 days trial), Microsoft 365 Personal (1 year subscription) |
MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS E510MA (EJ040WS) |
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Included Accessories | USB-C power adapter | Power adapter |
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Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password | Fanless, Cortana support |
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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