Side by side comparison and review of Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) and Lenovo IdeaPad 3 17ADA05 (81W2). 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 Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp, vibrant display
fast SSD storage
good battery life
efficient thermal management
limited port selection
no optical drive
average sound quality
higher price point
Advantages and disadvantages of Lenovo IdeaPad 3 17ADA05 (81W2) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
large display
decent battery life
ample storage options
lightweight design
average build quality
mediocre performance
limited color accuracy
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.69 cm x 20.86 cm x 1.595 cm | 40.2 cm x 28.125 cm x 1.99 cm |
| Weight | 1.25 kg | 2.2 kg |
| Case Material | Aluminum, glass | Polycarbonate ABS |
| Colour | Light silver | Ice blue | Platinum grey |
| DISPLAY | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Screen Size (Type) | 13.3" - IPS | 17.3" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2560 x 1600 (WQXGA) | 1600 x 900 (HD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC | - |
| Features | Glossy, 72% NTSC colour gamut | Anti-glare |
| PROCESSOR | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| CPU | AMD Ryzen 5 3550H / 2.1 GHz | AMD Athlon Gold 3150U / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.3 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | L3 - 4 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | 1 Megapixel | 0.3 Megapixel |
| Camera Features | IR camera, ToF sensor | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 42 Wh |
| Battery Life | Up to 14.7 hours | Up to 8 hours |
| AC ADAPTER | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Interfaces | USB 3.1 Gen 1 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
USB 2.0 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| 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 | 0.599 W/kg (body), 0.599 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 | 13API 81XC | - |
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