In depth comparison and review of ASUS ExpertBook B1 (B1400CDA) and Lenovo ThinkPad X1 Extreme Gen 4 (20Y5). 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 (B1400CDA) 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
reasonable price point
average battery life
mediocre display quality
limited graphics performance
noisy under load
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processor
robust build quality
high-resolution display
excellent keyboard feel
advanced security features
heavier than competitors
expensive price point
average battery life
limited color accuracy
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.34 cm x 21.56 cm x 1.92 cm | 35.95 cm x 25.38 cm x 1.77 cm |
| Weight | 1.46 kg | 1.81 kg |
| Case Material | Aluminum, plastic | Aluminium alloy, carbon fibre hybrid |
| Colour | Black (bottom), star black (LCD cover), star black (top) | Black weave |
| DISPLAY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Screen Size (Type) | 14" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 600 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB |
| Features | Anti-glare, IPS-level | Anti-glare, Factory Calibration, HDR 400 compatible, Low Blue Light technology, 170° viewing angle, Dolby Vision |
| PROCESSOR | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| CPU | AMD Ryzen 3 3250U / 2.6 GHz | Intel Core i7 (11th Gen) 11800H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4.6 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | 24 MB |
| Chipset | - | Intel WM590 |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce RTX 3050 Ti / Intel UHD Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | - | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Speaker, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6E AX 210 |
| Network Interface | Gigabit Ethernet | - |
| Features | Single stream (1x1) | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 5G |
|---|---|---|
| Controller | - | Qualcomm Snapdragon X55 - M.2 Card |
| BATTERY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 90 Wh |
| Battery Life | - | Up to 12.8 hours |
| AC ADAPTER | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 170 Watt |
| INPUT | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.5mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Slots | - | 2 x M.2 Card (1 free) 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB 2.0 USB-C 3.2 Gen 2 HDMI LAN VGA |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (SD Card) |
| SOFTWARE | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y5) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password, hard drive password, MIL-STD-810H tested | Administrator password, power-on password, RapidCharge, self-healing BIOS, NVMe password |
| Compliant Standards | TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution) | RoHS |
| Repairability Index | 6.7 (out of 10) | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| 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 |
| Model Number | EK0583R | - |
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