| Attribute |
Acer TravelMate P658-M-78ZB (NX.VCVEF.019) × | 
Lenovo IdeaPad 520 (81BF006VMH) × |
| General | | |
| Model | Acer TravelMate P658-M-78ZB | Lenovo IdeaPad 520 |
| Product code | NX.VCVEF.019 | 81BF006VMH |
| Design | | |
| Form factor | Clamshell | Clamshell |
| Brand | Acer | Lenovo |
| Family | TravelMate | IdeaPad |
| Series | P6 | 500 |
| Model name | P658-M-78ZB | 520 |
| Part number | NX.VCVEF.019 | 81BF006VMH |
| Release year (year) | 2018 | 2018 |
| Processor | | |
| Processor family | 6th gen Intel Core i7 | 8th gen Intel Core i7 |
| Processor frequency (GHz) | 2.5 | 1.8 |
| Processor boost frequency (GHz) | 3.1 | 4 |
| Processor model | i7-6500U | i7-8550U |
| Processor cores | 2 | 4 |
| Processor threads | 4 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | LGA 1356 (Socket B2) | BGA 1356 |
| Processor cache (MB) | 4 | 8 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 20 | 16 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| Panel type | - | IPS |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| 1↑On-board graphics adapter | + | + |
| Discrete graphics adapter model | - | NVIDIA GeForce MX150 |
| Discrete graphics memory type | - | GDDR5 |
| Discrete graphics adapter | - | + |
| Discrete graphics adapter memory (GB) | - | 2 |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 74 | 32 |
| On-board graphics adapter model | Intel HD Graphics 520 | Intel UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | 1 |
| Card reader integrated | + | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | - | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 3 | 2 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | - | 2 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | - | 1 |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | + | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery life (max) (h) | - | 6 |
| Weight and dimensions | | |
| Weight (kg) | 2.3 | 2.2 |
| Height (mm) | 22.4 | 22 |
| Depth (mm) | 254.5 | 260 |
| Width (mm) | 381 | 378 |
| Security | | |
| Cable lock slot | - | + |
| Fingerprint reader | - | + |
| Trusted platform module (TPM) | - | - |