| Attribute |
ASUS R420SA-BV225TS (90NB0HK3-M05880) × | 
Samsung Chromebook XE521QAB-K02US (XE521QAB-K02US) × |
| General | | |
| Model | ASUS R420SA-BV225TS | Samsung Chromebook XE521QAB-K02US |
| Product code | 90NB0HK3-M05880 | XE521QAB-K02US |
| Design | | |
| Product colour | White | Metallic, Silver |
| Form factor | Clamshell | Convertible (Fold-back screen) |
| Brand | ASUS | Samsung |
| Family | - | Chromebook |
| Series | - | Plus |
| Model name | R420SA-BV225TS | XE521QAB-K02US |
| Part number | 90NB0HK3-M05880 | XE521QAB-K02US |
| Release year (year) | 2019 | 2018 |
| Processor | | |
| Processor manufacturer | Intel | - |
| Processor family | Intel Celeron | Intel Core M |
| Processor frequency (GHz) | 1 | 1 |
| Processor boost frequency (GHz) | 2.1 | 2.6 |
| Processor model | N3000 | m3-7Y30 |
| Processor cores | 2 | 2 |
| Processor threads | 2 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1170 | BGA 1515 |
| Processor cache (MB) | 2 | 4 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | - |
| Maximum internal memory (GB) | 4 | - |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 14 | 12.2 |
| HD type | HD | Full HD |
| LED backlight | + | - |
| Touchscreen | - | + |
| Dual-screen | - | - |
| Display resolution | 1366 x 768 pixels | 1920 x 1200 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 320 | 300 |
| Maximum on-board graphics adapter memory (GB) | 8 | 16 |
| On-board graphics adapter model | Intel HD Graphics | Intel HD Graphics 615 |
| Storage | | |
| Total storage capacity (GB) | 64 | 64 |
| Card reader integrated | + | + |
| Storage media | eMMC | - |
| 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 | 2 | 1 |
| USB 3.x Type-C ports | - | 2 |
| Combo headphone/mic port | + | + |
| HDMI ports quantity | 1 | - |
| Audio | | |
| Speaker power (W) | - | 1.5 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.5 | 1 |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Clickpad |
| Software | | |
| Operating system installed | Windows 10 Home S | Chrome OS |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 33 | 30 |
| Battery life (max) (h) | - | 10 |
| Weight and dimensions | | |
| Weight (kg) | 1.3 | 1.33 |
| Height (mm) | 17.6 | 18 |
| Depth (mm) | 227 | 208 |
| Width (mm) | 326 | 288 |
| Power | | |
| AC adapter power (W) | 33 | 30 |
| Security | | |
| Trusted platform module (TPM) | - | + |