In depth comparison and review of Lenovo IdeaPad S540-13API (81XC) and ASUS P1511CEA (EJI3X). 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 IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp, vibrant display
fast processing speed
good battery life
quiet operation
limited port selection
no optical drive
average graphics performance
higher price point
Advantages and disadvantages of ASUS P1511CEA (EJI3X) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent battery life
fast SSD storage
average display quality
limited graphics performance
no backlit keyboard
fewer USB ports
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.69 cm x 20.86 cm x 1.595 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 1.25 kg | 1.8 kg |
| Case Material | Aluminum, glass | - |
| Colour | Light silver | Slate grey |
| DISPLAY | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Screen Size (Type) | 13.3" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQHD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC | 45% NTSC |
| Features | Glossy, 72% NTSC colour gamut | Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | Intel Core i3 (11th Gen) 1115G4 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | L3 - 4 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX Vega 10 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Resolution | 1 Megapixel | - |
| Camera Features | IR camera, fixed focus, ToF sensor | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 37 Wh |
| Battery Life | Up to 14.7 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Slots | - | 1 x Serial ATA (1 free) 1 x M.2 (PCI Express 3.0 x4) (0 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
Headphone/microphone combo jack 2 x USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI 1.4 LAN (on supplied adapter) |
| SOFTWARE | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo IdeaPad S540-13API (81XC) | ASUS P1511CEA (EJI3X) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-A to RJ45 gigabit ethernet adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) solution |
| 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 | System password, anti-shock hard drive |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | 0.599 W/kg (body), 0.599 W/kg (limb) | - |
| Specific Absorption Rate (SAR) | 0.599 W/kg (body) 0.599 W/kg (limb) |
- |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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