In depth comparison and review of ASUS ExpertBook B1 (B1502CG) and Lenovo ThinkPad X1 Carbon Gen 11 (21HM). 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 ASUS ExpertBook B1 (B1502CG) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
efficient multitasking capabilities
comprehensive connectivity options
lightweight and portable design
responsive fingerprint sensor
average battery life
mediocre display quality
limited graphics performance
higher price point
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 11 (21HM) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard comfort
impressive battery life
high-resolution display
higher price point
limited graphics performance
no HDMI port
fewer color options
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.16 cm x 23.3 cm x 1.99 cm | 31.56 cm x 22.25 cm x 1.536 cm |
| Weight | 1.69 kg | 1.12 kg |
| Case Material | Plastic | Aluminium (bottom), carbon fibre (top) |
| Colour | Star black | Deep black paint |
| DISPLAY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, 83% screen-to-body ratio | Anti-glare, Low Power, Eyesafe technology |
| PROCESSOR | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| CPU | Intel Core i3 N305 | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 4.6 GHz |
| Number of Cores | 8-core | 10-core |
| Cache | 6 MB | 12 MB |
| Platform Technology | - | Intel Evo |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 6400 MHz |
| Rated Speed | - | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - UFS | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Speaker, array microphone | Stereo speakers, two tweeters, two woofers, quad array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| Audio Features | Output: Audio by Dirac | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 | NFC, Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G/5G upgradable |
|---|
| BATTERY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 57 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 65 Watt |
| INPUT | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.2 Gen 1 (Power Delivery) HDMI 1.4 Headphone/microphone combo jack LAN |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
|---|
| SOFTWARE | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Operating System (OS) | Windows 11 Pro Education | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft 365 (1 month trial) | Glance by Mirametrix, Intel Connectivity Performance Suite |
| MISCELLANEOUS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
|---|
| Included Accessories | Power adapter | USB-C slim power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, face recognition | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Hard drive password, MIL-STD-810H tested, BIOS protection | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | RoHS, REACH, TCO Certified 9.0, FSC Mix | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| 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 - response time: next business day |
| Model Number | BQI381XA | - |
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