In depth comparison and review of Acer Extensa 15 (EX215-51) 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
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 | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 1.9 kg | 2.2 kg |
| Case Material | - | Metal |
| Colour | Shale black | Golden |
| DISPLAY | Acer Extensa 15 (EX215-51) | 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 | 220 cd/m² | 250 cd/m² |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 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 | 1 | 0 |
| STORAGE | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 2 TB HDD SATA 6Gb/s / 5400 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | 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 |
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Video Memory | - | 4 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Wake-on-LAN (WOL) | Single stream (1x1) |
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Technology | Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 35 Wh |
| Battery Life | - | Up to 6 hours |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | - |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
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 | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Included Accessories | Power adapter, HDD kit | Power adapter |
|---|---|---|
| Security | - | 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 | MU-MIMO technology | Administrator password, hard drive password, power-on password |
| Compliant Standards | - | RoHS |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 39SK | - |
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