Side by side comparison and review of ASUS A509JA (EJ079T) and Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540). 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 ASUS A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive touchpad
crisp full hd display
adequate connectivity options
competitive pricing
average battery life
modest graphics performance
no backlit keyboard
limited upgradeability
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
| DESIGN AND DIMENSIONS | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 29.69 cm x 20.86 cm x 1.595 cm |
| Weight | 1.9 kg | 1.25 kg |
| Case Material | - | Aluminum, glass |
| Colour | Transparent silver | Light silver | Ice blue |
| DISPLAY | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Screen Size (Type) | 15.6" | 13.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB, 72% NTSC |
| Features | Anti-glare | Glossy, 72% NTSC colour gamut |
| PROCESSOR | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz | AMD Ryzen 5 3550H / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 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 | 0 | - |
| STORAGE | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Graphics Processor (GPU) | Intel Iris Plus Graphics | AMD Radeon Vega 8 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | IR camera, ToF sensor |
| Sound | Speaker, microphone | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower | - |
| COMMUNICATIONS | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Technology | 2-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 56 Wh |
| Battery Life | - | Up to 14.7 hours |
| AC ADAPTER | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt |
| INPUT | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
USB 3.1 Gen 1 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS A509JA (EJ079T) | Lenovo IdeaPad S540-13API (Lenovo IdeaPad S540) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Features | System password, hard drive password | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | 0.599 W/kg (body), 0.599 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 13API 81XC |
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