In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20TD) and ASUS ExpertBook B1 (B1400CDA). 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 E15 Gen 2 (20TD) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
reasonable price
average display quality
limited graphics power
no thunderbolt support
mediocre battery life
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 32.34 cm x 21.56 cm x 1.92 cm |
| Weight | 1.7 kg | 1.46 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminum, plastic |
| Colour | Black | Black (bottom), star black (LCD cover), star black (top) |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, IPS-level |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | AMD Ryzen 3 3250U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3.5 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 8 MB | 4 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 720p | - |
| Camera Features | IR camera, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Speaker, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman/kardon stereo speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 42 Wh |
| Battery Life | Up to 10.8 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 19 V, 3.42 A |
| INPUT | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Slots | 1 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB 2.0 USB-C 3.2 Gen 2 HDMI LAN VGA |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20TD) | ASUS ExpertBook B1 (B1400CDA) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington 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, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested | System password, hard drive password, MIL-STD-810H tested |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 | TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution) |
| SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | - |
| 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 | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | EK0583R |
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