| Attribute |
Acer Chromebook R721T-4058 + Earphone 300 (NX.HBREF.001+NP.HDS1A.005) × | 
Samsung XE XE503C12 (XE503C12-K02UK) × |
| General | | |
| Model | Acer Chromebook R721T-4058 + Earphone 300 | Samsung XE XE503C12 |
| Product code | NX.HBREF.001+NP.HDS1A.005 | XE503C12-K02UK |
| Design | | |
| Product colour | Black | White |
| Form factor | Convertible (Folder) | Clamshell |
| Brand | Acer | Samsung |
| Family | Chromebook | XE |
| Series | Spin 311 | - |
| Model name | R721T-4058 + Earphone 300 | XE503C12 |
| Part number | NX.HBREF.001+NP.HDS1A.005 | XE503C12-K02UK |
| Release year (year) | 2020 | 2014 |
| Processor | | |
| Processor manufacturer | AMD | Samsung |
| Processor family | AMD A4 | Samsung Exynos |
| Processor frequency (GHz) | 1.6 | 1.9 |
| Processor boost frequency (GHz) | 2.4 | - |
| Processor model | A4-9120C | Exynos 5 Octa |
| Processor cores | 2 | - |
| Processor cache (MB) | 1 | 2 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | - |
| Internal memory (GB) | 4 | 2 |
| Display | | |
| Display diagonal (inch) | 11.6 | 11.6 |
| HD type | HD | - |
| LED backlight | + | + |
| Touchscreen | + | - |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter model | AMD Radeon R4 | ARM Mali-T628 MP6 |
| Storage | | |
| Total storage capacity (GB) | 32 | 16 |
| Card reader integrated | + | + |
| Storage media | Flash | - |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| |
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | - | + |
| Bluetooth version | 4.1 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | - | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | - | 1 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | - | 1 |
| Audio | | |
| Speaker power (W) | - | 2 |
| Built-in microphone | - | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | HD | - |
| Front camera resolution (pixels) | 1280 x 720 | - |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Chrome OS | Chrome OS |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 48 | 30 |
| Battery capacity (mAh) | 4,200 | 4,080 |
| Battery life (max) (h) | 10 | 8 |
| Weight and dimensions | | |
| Weight (kg) | 1.5 | 1.2 |
| Height (mm) | 23.5 | 16.8 |
| Depth (mm) | 206 | 204.8 |
| Width (mm) | 296 | 289.6 |
| Power | | |
| AC adapter power (W) | 45 | 40 |
| Security | | |
| Cable lock slot | - | - |
| Fingerprint reader | - | - |
| Trusted platform module (TPM) | + | + |