In depth comparison and review of Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) and Lenovo 100e (1st Gen) (81CY). 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.
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26 cm x 2.2 cm | 30.05 cm x 21.25 cm x 2.17 cm |
| Weight | 2.2 kg | 1.23 kg |
| Case Material | Metal | Polycarbonate ABS |
| Colour | Gold | Black |
| DISPLAY | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Screen Size (Type) | 15.6" - IPS | 11.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| CPU | Intel Core i5 (7th Gen) 7200U / 2.5 GHz | Intel Celeron N3450 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 2.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 2 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4 SDRAM |
| Speed | 2133 MHz | - |
| Rated Speed | 2133 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD 2.5" SATA 6Gb/s | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce 940MX / Intel HD Graphics 620 | Intel HD Graphics 500 |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - 720p | Yes |
| Resolution | 1 Megapixel | 1 Megapixel |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman audio technology | - |
| COMMUNICATIONS | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 8265 |
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 45 Wh |
| Battery Life | Up to 6 hours | Up to 10 hours |
| AC ADAPTER | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Interfaces | USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
2 x USB 2.0 USB 3.0 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|
| MISCELLANEOUS | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) | Lenovo 100e (1st Gen) (81CY) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington mini security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS | CPSIA |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | 15IKB 80YL | - |
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