In depth comparison and review of Lenovo ThinkBook 13x G2 IAP (21AT) 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 ThinkBook 13x G2 IAP (21AT) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
sharp display resolution
fast SSD storage
good battery life
efficient thermal management
limited port selection
higher price point
no dedicated GPU
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 ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.6 cm x 20.9 cm x 1.29 cm | 36.02 cm x 23.49 cm x 1.99 cm |
| Weight | 1.2 kg | 1.8 kg |
| Case Material | Aluminium (top), aluminium (bottom), glass (display cover) | Plastic |
| Colour | Dual tone storm grey | Slate grey |
| DISPLAY | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Screen Size (Type) | 13.3" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQXGA) | 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 | 400 cd/m² | 200 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Glossy, Corning Gorilla glass, anti-fingerprint, 170° viewing angle, Low Power, Dolby Vision, Smart sense panel | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| CPU | Intel Core i7 (12th Gen) 1255U / 1.7 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.6 GHz |
| Number of Cores | 10-core | Quad-Core |
| Cache | 12 MB | 6 MB |
| Platform Technology | Intel Evo | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkBook 13x G2 IAP (21AT) | 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 | 4800 MHz | - |
| Rated Speed | 4800 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus, ToF sensor | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | - |
| Audio Features | Harman/kardon stereo speakers, Smart Amp, AI noise cancelling | Output: ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | 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 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Technology | Lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 37 Wh |
| Battery Life | Up to 11.4 hours | - |
| AC ADAPTER | Lenovo ThinkBook 13x G2 IAP (21AT) | 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 ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight | Chiclet keyboard, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack HDMI (on supplied adapter) VGA (on supplied adapter) LAN (on supplied adapter) USB 3.0 (on supplied adapter) |
Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 Gen 1 |
|---|
| SOFTWARE | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home in S mode |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo ThinkBook 13x G2 IAP (21AT) | ASUS X515JA (EJ3921W) |
|---|
| Included Accessories | USB-C slim power adapter | Power adapter |
|---|---|---|
| Bundled with | ThinkBook USB-C Micro Hub | - |
| Integrated Options | Ambient light sensor | - |
| 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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | System password |
| Compliant Standards | RoHS, FSC, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution) | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| 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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