Detailed comparison and review of Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) and ASUS ExpertBook B9 (B9400CEA). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
impressive full hd display
fast intel processors
solid state drive standard
good battery life
average graphics performance
no optical drive
limited port selection
higher price segment
Advantages and disadvantages of ASUS ExpertBook B9 (B9400CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
extremely lightweight design
impressive battery life
robust security features
fast ssd storage
advanced connectivity options
premium price tag
no dedicated gpu
limited color accuracy
smaller display size
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.69 cm | 32 cm x 20.3 cm x 1.49 cm |
| Weight | 1.95 kg | 1.01 kg |
| Case Material | Aluminum, glass | Magnesium-aluminum alloy, magnesium-lithium alloy |
| Colour | Mineral grey | Star black |
| DISPLAY | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| 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 | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 72% | 100% sRGB |
| Features | Glossy | Anti-glare, Wide-View (IPS) |
| PROCESSOR | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.7 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 66 Wh |
| Battery Life | Up to 15 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 19 V, 3.42 A |
| INPUT | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 HDMI Micro-HDMI Headphone/microphone combo jack LAN (on supplied cable) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Included Accessories | Power adapter | Sleeve, USB-C power adapter, Micro HDMI to LAN 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 nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | System password, hard drive password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | 1.81 W/kg (body), 1.81 W/kg (limb) | - |
| Repairability Index | - | 7.1 (out of 10) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | 15IML 81NG | KC0182X |
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