| Attribute |
ASUS VivoBook X505BA-BR255T (90NB0G12-M03980) × | 
ASUS VivoBook S510UN-BR128 (S510UN-BR128T) × |
| General | | |
| Model | ASUS VivoBook X505BA-BR255T | ASUS VivoBook S510UN-BR128 |
| Product code | 90NB0G12-M03980 | S510UN-BR128T |
| Design | | |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Family | VivoBook | VivoBook |
| Model name | X505BA-BR255T | S510UN-BR128 |
| Part number | 90NB0G12-M03980 | S510UN-BR128T |
| Release year (year) | 2015 | 2017 |
| Processor | | |
| Processor family | AMD A | Intel Core i5-8xxx |
| Processor frequency (GHz) | 3.1 | 1.6 |
| Processor boost frequency (GHz) | 3.7 | 3.4 |
| Processor model | A9-9425 | i5-8250U |
| Processor cores | 2 | 4 |
| Processor threads | - | 8 |
| Processor cache (MB) | 1 | 6 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 16 | 16 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| 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 model | AMD Radeon R5 | Intel UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | - |
| Card reader integrated | + | + |
| SSD form factor | - | M.2 |
| 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
| |
| Bluetooth | + | + |
| Ethernet LAN | + | - |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.2 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 1 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 2 | 2 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Built-in microphone | + | - |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | + | - |
| Full-size keyboard | + | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 42 | 42 |
| Weight and dimensions | | |
| Weight (kg) | 1.68 | 1.5 |
| Height (mm) | 20.4 | 17.9 |
| Depth (mm) | 243.5 | 243.5 |
| Width (mm) | 361.4 | 361.4 |
| Power | | |
| AC adapter power (W) | 45 | 65 |
| Security | | |
| Cable lock slot | + | - |
| Trusted platform module (TPM) | + | - |