Side by side comparison and review of Lenovo ThinkPad X1 Nano Gen 2 (21E9) and ASUS P1511CEA (EJI5X). 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 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 P1511CEA (EJI5X) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
efficient multitasking
adequate connectivity options
compact design
average display quality
modest battery life
limited graphics performance
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.33 cm x 20.81 cm x 1.48 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 991.5 g | 1.8 kg |
| Case Material | Carbon fibre (top), magnesium alloy (bottom) | - |
| Colour | Black weave | Slate grey |
| DISPLAY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| 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 | 250 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, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| CPU | Intel Core i7 (12th Gen) 1270P / 2.2 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.2 GHz |
| Number of Cores | 12-core | Quad-Core |
| Cache | 18 MB | 8 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| 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 P1511CEA (EJI5X) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| 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 | - |
| COMMUNICATIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| 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 P1511CEA (EJI5X) |
|---|
| 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 P1511CEA (EJI5X) |
|---|
| 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 P1511CEA (EJI5X) |
|---|
| Slots | - | 1 x Serial ATA (1 free) 1 x M.2 (PCI Express 3.0 x4) (0 free) |
|---|---|---|
| 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 2 x USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI 1.4 LAN (on supplied adapter) |
| SOFTWARE | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Nano Gen 2 (21E9) | ASUS P1511CEA (EJI5X) |
|---|
| Included Accessories | Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter | Power adapter, USB-A to RJ45 gigabit ethernet 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, anti-shock hard drive |
| Compliant Standards | RoHS, TCG Certified | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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