In depth comparison and review of Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) and Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540). 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 ThinkBook 14-IIL (Lenovo ThinkBook 14) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
affordable price point
decent battery life
good processor performance
adequate storage options
average display quality
no thunderbolt support
limited graphics power
mediocre speaker output
Advantages and disadvantages of Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim aluminum design
full hd display
fast ssd storage
good battery life
quiet cooling system
average color accuracy
no thunderbolt support
limited upgrade options
mediocre speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.6 cm x 23 cm x 1.79 cm | 35.8 cm x 24.5 cm x 1.715 cm |
| Weight | 1.5 kg | 1.8 kg |
| Case Material | Aluminum | Aluminum, polycarbonate ABS |
| Colour | Mineral grey | Abyss blue |
| DISPLAY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| 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% |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 70 Wh |
| Battery Life | Up to 9 hours | Up to 15 hours |
| AC ADAPTER | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Interfaces | USB 2.0 (hidden) USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
USB 3.1 Gen 1 USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack USB 3.1 Gen 1 (Always On) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Silver | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | IIL 20SL | 15IWL 81NE |
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