| Attribute |
Acer Chromebook R851TN-C3ET (NX.H99AA.008) × | 
Acer Chromebook CP311-2H-C769 (NX.HKKAA.008) × |
| General | | |
| Model | Acer Chromebook R851TN-C3ET | Acer Chromebook CP311-2H-C769 |
| Product code | NX.H99AA.008 | NX.HKKAA.008 |
| Design | | |
| Product colour | Black | Black, Silver |
| Form factor | Convertible (Fold-back screen) | Convertible (Folder) |
| Brand | Acer | Acer |
| Family | Chromebook | Chromebook |
| Series | Spin 512 | Spin 311 |
| Model name | R851TN-C3ET | CP311-2H-C769 |
| Part number | NX.H99AA.008 | NX.HKKAA.008 |
| Release year (year) | 2020 | 2020 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | Intel Celeron | Intel Celeron |
| Processor frequency (GHz) | 1.1 | 1.1 |
| Processor boost frequency (GHz) | 2.6 | 2.6 |
| Processor model | N4120 | N4120 |
| Processor cores | 4 | 4 |
| Processor cache (MB) | 4 | 4 |
| Memory | | |
| Internal memory type | LPDDR4-SDRAM | LPDDR4-SDRAM |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 12 | 11.6 |
| Panel type | IPS | IPS |
| HD type | HD+ | HD |
| LED backlight | + | + |
| Touchscreen | + | + |
| Display resolution | 1366 x 912 pixels | 1366 x 912 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter model | Intel UHD Graphics 600 | Intel UHD Graphics 600 |
| Storage | | |
| Total storage capacity (GB) | 32 | 32 |
| Card reader integrated | + | + |
| Storage media | Flash | Flash |
| 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 | - | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | - | 2 |
| USB 3.x Type-C ports | 2 | 2 |
| Combo headphone/mic port | + | + |
| Audio | | |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | HD | HD |
| Front camera resolution (pixels) | 1280 x 720 | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Chrome OS | Chrome OS |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 45 | 38 |
| Battery life (max) (h) | 11 | 10 |
| Weight and dimensions | | |
| Weight (kg) | 1.55 | 1.2 |
| Height (mm) | 19.6 | 19.9 |
| Depth (mm) | 231.1 | 206 |
| Width (mm) | 297.2 | 296 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | + | + |
| Trusted platform module (TPM) | + | + |