Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS X515JA (EJ3358W). 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 X515JA (EJ3358W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
lightweight design
solid build quality
adequate performance
good connectivity options
average battery life
modest display quality
limited graphics power
no backlit keyboard
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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) | - |
Colour | Black | Transparent silver |
DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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 | 220 cd/m² |
Features | Anti-glare, 170° viewing angle | Anti-glare, 83% screen-to-body ratio |
PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
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Max Turbo Speed | 4.3 GHz | 3.6 GHz |
Number of Cores | 6-core | Quad-Core |
Cache | L3 - 16 MB | 6 MB |
Features | Integrated memory controller | Intel Smart Cache |
MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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 | 1 |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics |
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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 | Stereo speakers, microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | - |
Audio Features | Harman-branded | - |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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 X515JA (EJ3358W) |
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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 X515JA (EJ3358W) |
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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 | 45 Watt, 19 V, 2.37 A |
INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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, 1.4mm travel distance |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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 |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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Operating System (OS) | Windows 11 Pro - English | Windows 11 Home in S mode |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS X515JA (EJ3358W) |
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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 | 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) | CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
ENERGY STAR Certified | Yes | 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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