In depth comparison and review of Lenovo ThinkPad X390 and ASUS ExpertBook B5 (B5402CEA). 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 X390 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
compact and portable
reliable performance
average display brightness
limited graphics capability
noisy under load
higher price point
Advantages and disadvantages of ASUS ExpertBook B5 (B5402CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust security features
efficient multitasking performance
long battery life
fast charging support
average display quality
limited graphics performance
higher price point
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.2 cm x 21.72 cm x 1.69 cm | 32.34 cm x 22.31 cm x 1.8 cm |
| Weight | 1.33 kg | 1.22 kg |
| Case Material | - | Aluminum, magnesium-aluminum alloy |
| Colour | - | Star black |
| DISPLAY | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Screen Size (Type) | 13.3" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | 45% | 100% sRGB |
| Features | Anti-glare, 90° viewing angle | Anti-glare, 85% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8365U / 1.6 GHz | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| RAM | 8 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| COMMUNICATIONS | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 63 Wh |
| AC ADAPTER | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Lenovo Ethernet extension connector Dock Headphone/microphone combo jack LAN (on supplied cable) |
USB 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X390 | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | - | Power adapter |
| Security | - | 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 | - | ErgoLift, MIL-STD-810H tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
| ENERGY STAR Certified | Yes | - |
| Model Number | - | KI0266X |
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