In depth comparison and review of Acer Aspire 5 (A517-51G) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 42.332 cm x 28.991 cm x 2.825 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 3 kg | 1.55 kg |
| Case Material | Polycarbonate, ABS plastic | Aluminium (top), aluminium (bottom) |
| Colour | Obsidian black | Silver |
| DISPLAY | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 17.3" | 14" - 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 | 300 cd/m² | 300 cd/m² |
| Features | Anti-glare, ComfyView, 25 ms response rate | Anti-glare |
| PROCESSOR | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|---|---|
| Secondary Storage | 1 TB HDD SATA / 5400 rpm - HGST | - |
| Optical Drive | DVD-Writer - tray | - |
| AUDIO & VIDEO | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX150 | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | 2 GB GDDR5 SDRAM | 2 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Fixed focus |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | Acer TrueHarmony technology | Output: JBL |
| COMMUNICATIONS | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | Single stream (1x1) |
| BATTERY | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | 4-cell | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 3320 mAh | 55 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V | 65 Watt |
| INPUT | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | 2 x USB 2.0 USB 3.0 HDMI LAN USB-C 3.1 Gen 1 Headphone/microphone combo jack |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | Acer Aspire 5 (A517-51G) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | HDCP Compliant | Administrator password, power-on password |
| Compliant Standards | - | RoHS |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | 55NN | - |
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