Side by side comparison and review of Microsoft Surface and Lenovo IdeaPad S540-15IML (81NG). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Microsoft Surface based on its technical characteristics, features, user experience, expert reviews and price level.
versatile form factor
high-resolution touchscreen
lightweight design
solid build quality
good battery life
higher price range
limited port selection
moderate storage options
average graphics performance
Advantages and disadvantages of Lenovo IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
sharp full HD display
fast processing speeds
ample storage capacity
good battery life
heavier than competitors
no optical drive
limited port selection
average graphics performance
| DESIGN AND DIMENSIONS | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 27.8 cm x 20.6 cm x 1.57 cm | 35.8 cm x 24.5 cm x 1.69 cm |
| Weight | 1.13 kg | 1.95 kg |
| Case Material | Polycarbonate, anodised aluminium | Aluminum, glass |
| Colour | Platinum | Mineral grey |
| DISPLAY | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Screen Size (Type) | 12.4" | 15.6" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1536 x 1024 | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 148 | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 72% |
| Features | Corning Gorilla glass 3, Color Calibrated, PixelSense, sRGB Mode, enhanced colour | Glossy, glass cover |
| PROCESSOR | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.2 GHz |
| Number of Cores | 10-core | Quad-Core |
| Cache | 12 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| RAM | 8 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, dual far-field studio microphones | Stereo speakers, dual array microphone |
| Compliant Standards | Dolby Audio Premium | High Definition Audio, Dolby Audio |
| Audio Features | Output: Omnisonic speakers | - |
| COMMUNICATIONS | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Features | - | Dual stream (2x2) |
| BATTERY | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 70 Wh |
| Battery Life | Up to 15 hours | Up to 15 hours |
| AC ADAPTER | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 39 Watt | 65 Watt |
| INPUT | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Interfaces | USB-C 3.2/DisplayPort USB 3.1 Headphone output (mini-phone 3.5 mm) SurfaceConnect |
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 | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft 365 Business Standard, Business Premium or Microsoft 365 Apps (30 days trial), Microsoft 365 Apps (requires licence or subscription) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Microsoft Surface | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | Ambient light sensor | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | Fast charging | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 1.81 W/kg (body), 1.81 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 1 year - pick-up and return |
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