In depth comparison and review of Lenovo ThinkPad X1 Nano Gen 2 (21E9) 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 X1 Nano Gen 2 (21E9) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display quality
powerful intel processor
limited port selection
higher price point
no touchscreen option
average speaker quality
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 X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.33 cm x 20.81 cm x 1.48 cm | 36.02 cm x 23.49 cm x 1.99 cm |
| Weight | 991.5 g | 1.8 kg |
| Case Material | Carbon fibre (top), magnesium alloy (bottom) | Plastic |
| Colour | Black weave | Slate grey |
| DISPLAY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Screen Size (Type) | 13" - IPS | 15.6" |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2160 x 1350 (2K) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 450 cd/m² | 200 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Low Power, Add-on Film Touch | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| CPU | Intel Core i7 (12th Gen) 1270P / 2.2 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 3.6 GHz |
| Number of Cores | 12-core | Quad-Core |
| Cache | 18 MB | 6 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 5200 MHz | - |
| Rated Speed | 6400 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - VGA |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera | - |
| Sound | Stereo speakers, two tweeters, two woofers, four microphones | Speakers, microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos, Dolby Voice | - |
| Audio Features | - | Output: ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Technology | 3-cell lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 49.5 Wh | 37 Wh |
| AC ADAPTER | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| 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 X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Chiclet keyboard, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) LAN (on supplied adapter) 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 |
|---|
| SOFTWARE | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Home in S mode |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS X515JA (EJ3921W) |
|---|
| Included Accessories | Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) solution |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | System password |
| Compliant Standards | RoHS, TCG Certified | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
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