Detailed comparison and review of Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) and Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540). 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 ThinkBook 15-IML (Lenovo ThinkBook 15) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
solid processor performance
adequate port selection
comfortable keyboard
affordable price
average display quality
moderate battery life
heavier design
no thunderbolt support
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
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.4 cm x 24.5 cm x 1.89 cm | 35.8 cm x 24.5 cm x 1.69 cm |
| Weight | 1.8 kg | 1.95 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminum, glass |
| Colour | Mineral grey | Mineral grey |
| DISPLAY | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Screen Size (Type) | 15.6" - 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 | 300 cd/m² |
| Colour Gamut | - | 72% |
| Features | Anti-glare | Glossy |
| PROCESSOR | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.1 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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 24 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 | 1 | 1 |
| STORAGE | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| 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) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| 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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Interfaces | USB 2.0 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 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Operating System (OS) | Windows 10 Pro 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 15-IML (Lenovo ThinkBook 15) | Lenovo IdeaPad S540-15IML (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 |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| 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 |
| SAR Value | 0.6 W/kg (body), 0.6 W/kg (limb) | 1.81 W/kg (body), 1.81 W/kg (limb) |
| 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 | IML 20RW | 15IML 81NG |
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