In depth comparison and review of Lenovo Yoga S940-14IWL (Lenovo Yoga S940) and Lenovo IdeaPad S540-15IML (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.
| DESIGN AND DIMENSIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.93 cm x 19.74 cm x 1.42 cm | 35.8 cm x 24.5 cm x 1.69 cm |
| Weight | 1.2 kg | 1.95 kg |
| Case Material | Aluminum | Aluminum, glass |
| Colour | Iron grey | Mineral grey |
| DISPLAY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (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 | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 72% NTSC | 72% |
| Features | Glossy, One Glass Solution, Dolby Vision | Glossy |
| PROCESSOR | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | 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 Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | IR camera, fixed focus, ToF sensor | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3286 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 52 Wh | 70 Wh |
| Battery Life | Up to 15 hours | Up to 15 hours |
| AC ADAPTER | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Interfaces | 2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) USB-C 3.1 Gen 1 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) |
| SOFTWARE | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 1.81 W/kg (body), 1.81 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | 14IWL 81Q7 | 15IML 81NG |
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