In depth comparison and review of Lenovo ThinkPad X1 Nano Gen 2 (21E8) and ASUS ExpertBook B5 (B5402CBA). 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 (21E8) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display resolution
efficient performance
limited port selection
higher price point
no touchscreen option
average speaker quality
Advantages and disadvantages of ASUS ExpertBook B5 (B5402CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust security features
efficient performance
long battery life
fast charging support
limited graphics capability
average display quality
higher price point
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.33 cm x 20.81 cm x 1.48 cm | 32.34 cm x 22.31 cm x 1.8 cm |
| Weight | 966.5 g | 1.25 kg |
| Case Material | Carbon fibre (top), magnesium alloy (bottom) | - |
| Colour | Black paint | Star black |
| DISPLAY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Screen Size (Type) | 13" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2160 x 1350 (2K) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 450 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB | 100% sRGB |
| Features | Anti-glare, 170° viewing angle, Low Power | Anti-glare, WideView, 85% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | Intel Core i5 (12th Gen) 1240P / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.4 GHz |
| Number of Cores | 12-core | 12-core |
| Cache | 12 MB | 12 MB |
| Platform Technology | Intel Evo | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | LPDDR5 SDRAM | DDR5 SDRAM |
| Speed | 5200 MHz | - |
| Rated Speed | 5200 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - 720p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, IR camera, Windows Hello |
| Sound | Four speakers, four microphones | Speakers, array microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 49.5 Wh | 63 Wh |
| AC ADAPTER | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
USB 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI 2.0a |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro |
|---|---|---|
| Software Included | Glance by Mirametrix, Intel Connectivity Performance Suite | McAfee, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Included Accessories | USB-C slim 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, Firmware Resiliency 2.0, NVMe password, USB FIDO (Fast Identity Online) device integration | MIL-STD-810H tested, Cortana support |
| Compliant Standards | RoHS, TCG Certified | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Limited warranty - 1 year - pick-up and return |
| Model Number | - | KII5X |
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