In depth comparison and review of Lenovo ThinkPad X13 Gen 3 (21BQ) and ASUS BR1402C (i381XA). 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 3 (21BQ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard experience
impressive battery life
strong security features
portable design
average display brightness
limited graphics performance
noisy under load
higher price point
Advantages and disadvantages of ASUS BR1402C (i381XA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
compact design
solid build quality
efficient multitasking
decent battery life
average display quality
limited storage capacity
no backlit keyboard
basic graphics card
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.58 cm x 21.756 cm x 1.81 cm | 33.29 cm x 22.89 cm x 2.1 cm |
| Weight | 1.26 kg | 1.56 kg |
| Case Material | Polyphenylene sulfide (top), aluminium (bottom) | Plastic |
| Colour | Thunder black | Mineral grey |
| DISPLAY | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| CPU | Intel Core i5 (12th Gen) 1245U / 1.6 GHz | Intel Core i3 N305 |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 3.8 GHz |
| Number of Cores | 10-core | 8-core |
| Cache | 12 MB | 6 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | - |
| Rated Speed | 4800 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory | 128 GB |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter, fixed focus | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Dual speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio, Dolby Voice | - |
| Audio Features | - | Output: Audio by Dirac |
| COMMUNICATIONS | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Technology | 4-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 54.7 Wh | 50 Wh |
| AC ADAPTER | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 65 Watt, 20 V, 2.25 A |
| INPUT | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
HDMI USB 2.0 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (Power Delivery) Headphone/microphone combo jack |
|---|
| SOFTWARE | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro Education |
|---|---|---|
| Software Included | - | MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X13 Gen 3 (21BQ) | ASUS BR1402C (i381XA) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano 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, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | System password, LED indicator, rubber bumper, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, REACH |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Model Number | - | 3Y |
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