Side by side comparison and review of Lenovo IdeaPad S540-13API (81XC) and ASUS R521JA (EJ974T). 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 (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 R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
lightweight design
decent battery life
adequate performance
average display quality
limited storage capacity
no backlit keyboard
basic graphics card
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.69 cm x 20.86 cm x 1.595 cm | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.25 kg | 1.9 kg |
| Case Material | Aluminum, glass | - |
| Colour | Light silver | Transparent silver |
| DISPLAY | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| 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 | 200 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC | 45% NTSC |
| Features | Glossy, 72% NTSC colour gamut | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | L3 - 4 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| STORAGE | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| 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 | Speaker, microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | Output: ASUS SonicMaster |
| COMMUNICATIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 32 Wh |
| Battery Life | Up to 14.7 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| 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 R521JA (EJ974T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| 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 |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S540-13API (81XC) | ASUS R521JA (EJ974T) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | - |
| 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 | - |
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