| Attribute |
Acer TravelMate B311-31-C09K (NX.VNDEB.004) × | 
Lenovo 100e (81CY000RUS) × |
| General | | |
| Model | Acer TravelMate B311-31-C09K | Lenovo 100e |
| Product code | NX.VNDEB.004 | 81CY000RUS |
| Design | | |
| Product colour | Black | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Acer | Lenovo |
| Family | TravelMate | - |
| Series | B3 | - |
| Model name | B311-31-C09K | 100e |
| Part number | NX.VNDEB.004 | 81CY000RUS |
| Market positioning | - | Educational |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | Intel Celeron N | Intel Celeron |
| Processor frequency (GHz) | 1.1 | 1.1 |
| Processor boost frequency (GHz) | 2.8 | 2.4 |
| Processor model | N4020 | N3350 |
| Processor cores | 2 | 2 |
| Processor threads | 2 | 2 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1090 | BGA 1296 |
| Processor cache (MB) | 4 | 2 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | LPDDR4-SDRAM |
| Maximum internal memory (GB) | - | 4 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 11.6 | 11.6 |
| Panel type | LCD | - |
| HD type | HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Dual-screen | - | - |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 200 | 200 |
| Maximum on-board graphics adapter memory (GB) | 8 | 8 |
| On-board graphics adapter model | Intel UHD Graphics 600 | Intel HD Graphics 500 |
| Storage | | |
| Total storage capacity (GB) | 64 | 64 |
| Card reader integrated | + | + |
| Storage media | Flash | eMMC |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | + | - |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | - | + |
| Bluetooth version | - | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | - | 2 |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Speaker power (W) | - | 1 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | - | 1 |
| Front camera HD type | - | HD |
| Front camera resolution (pixels) | 1280 x 720 | - |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Pro Education | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 48 | 45 |
| Battery life (max) (h) | 12 | 10 |
| Weight and dimensions | | |
| Weight (kg) | 1.4 | 1.23 |
| Height (mm) | 20.9 | 21.7 |
| Depth (mm) | 215 | 212.5 |
| Width (mm) | 295 | 300.5 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | - | - |
| Trusted platform module (TPM) | + | + |