In depth comparison and review of Lenovo ThinkPad X13 Gen 1 (20UF) and ASUS X515JA (EJ3921W). 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 X13 Gen 1 (20UF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
reliable performance
dim display brightness
limited storage capacity
no dedicated GPU
higher price point
Advantages and disadvantages of ASUS X515JA (EJ3921W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
lightweight design
adequate performance
good connectivity options
average battery life
modest display resolution
limited upgrade options
integrated graphics only
DESIGN AND DIMENSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 31.19 cm x 21.72 cm x 1.69 cm | 36.02 cm x 23.49 cm x 1.99 cm |
Weight | 1.29 kg | 1.8 kg |
Case Material | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide | Plastic |
Colour | Black | Slate grey |
DISPLAY | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Screen Size (Type) | 13.3" - IPS | 15.6" |
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Touchscreen | Yes (10-point multi-touch) | - |
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 | 72% NTSC | 45% NTSC |
Features | Anti-glare, 170° viewing angle, 72% NTSC colour gamut | Anti-glare, 83% screen-to-body ratio |
PROCESSOR | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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CPU | AMD Ryzen 5 Pro 4650U / 2.1 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
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Max Turbo Speed | 4 GHz | 3.6 GHz |
Number of Cores | 6-core | Quad-Core |
Cache | L3 - 8 MB | 6 MB |
Features | Integrated memory controller | Intel Smart Cache |
MEMORY | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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Max RAM Supported | - | 16 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 X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 3 external monitor(s) | - |
Camera | Yes - 720p | Yes - VGA |
Camera Features | IR camera, Windows Hello, ThinkShutter camera privacy | - |
Sound | Stereo speakers, dual array microphone | Speakers, microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | - |
Audio Features | - | Output: ASUS SonicMaster |
COMMUNICATIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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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 | Intel Wi-Fi 6 AX 200 - M.2 Card | - |
Ethernet Controller | Realtek RTL8111EPV | - |
Compliant Standards | DASH | - |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | Single stream (1x1) |
WWAN |
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Generation | WWAN upgradable | - |
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BATTERY | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Technology | Lithium polymer | 2-cell Lithium Ion |
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Battery Capacity (Size) | 48 Wh | 37 Wh |
Battery Life | Up to 13.9 hours | - |
AC ADAPTER | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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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 X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | - | 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 X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Dock 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 |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home in S mode |
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MISCELLANEOUS | Lenovo ThinkPad X13 Gen 1 (20UF) | ASUS X515JA (EJ3921W) |
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Dockable | Yes | - |
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Included Accessories | USB-C power adapter | Power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested, self-healing BIOS | System password |
Compliant Standards | RoHS, TCG Certified | - |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 5 °C | - |
Humidity Range Operating | 8 - 95% | - |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - 1 year - pick-up and return |
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