In depth comparison and review of ASUS 15 (X515JA) and Lenovo IdeaPad 520-15IKB (81BF). 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 ASUS 15 (X515JA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
good connectivity options
average battery life
basic display quality
limited storage capacity
no dedicated graphics
Advantages and disadvantages of Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
| DESIGN AND DIMENSIONS | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.9 cm x 23.5 cm x 1.99 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 1.8 kg | 2.2 kg |
| Case Material | Plastic | Metal |
| Colour | Silver | Slate grey | Golden |
| DISPLAY | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| AUDIO & VIDEO | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 4 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Fixed focus |
| Sound | Speaker, microphone | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | ASUS SonicMaster | Output: Harman audio technology |
| COMMUNICATIONS | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Technology | 3-cell | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 35 Wh |
| Battery Life | Up to 7.7 hours | Up to 6 hours |
| AC ADAPTER | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
| INPUT | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | - |
| CONNECTIONS & EXPANSIONS | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x2) (0 free) | - |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI |
USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS 15 (X515JA) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password | Administrator password, hard drive password, power-on password |
| Compliant Standards | - | RoHS |
| Repairability Index | 6.1 (out of 10) | - |
| Manufacturer Warranty | International warranty - 1 year | Limited warranty - 1 year - pick-up and return |
| Model Number | EJ2133W | - |
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