| Attribute |
Lenovo IdeaPad S145 (81UT00DNMB) × | 
ASUS VivoBook X512DA-EJ1150T (90NB0LZ2-M18420) × |
| General | | |
| Model | Lenovo IdeaPad S145 | ASUS VivoBook X512DA-EJ1150T |
| Product code | 81UT00DNMB | 90NB0LZ2-M18420 |
| Design | | |
| Product colour | Black | Silver |
| Form factor | Clamshell | Clamshell |
| Brand | Lenovo | ASUS |
| Family | IdeaPad | VivoBook |
| Series | S | 15 |
| Model name | S145 | X512DA-EJ1150T |
| Part number | 81UT00DNMB | 90NB0LZ2-M18420 |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | AMD | AMD |
| Processor family | AMD Ryzen 7 | 3rd Generation AMD Ryzen 7 |
| Processor frequency (GHz) | 2.3 | 2.2 |
| Processor boost frequency (GHz) | 4 | 3.8 |
| Processor model | 3700U | 3700U |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 12 | 12 |
| Processor cache (MB) | 4 | 4 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 12 | 12 |
| Memory clock speed (MHz) | 2,400 | 2,400 |
| Internal memory (GB) | 12 | 12 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| Panel type | TN | - |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Maximum refresh rate (Hz) | - | 60 |
| Dual-screen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 1400 | 1400 |
| On-board graphics adapter model | AMD Radeon RX Vega 10 | AMD Radeon Vega 10 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 512 | 512 |
| Card reader integrated | + | + |
| SSD form factor | M.2 | - |
| Storage media | SSD | SSD |
| 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 | 4.2 | 4.2 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 1 | 2 |
| HDMI ports quantity | 1 | 1 |
| Audio | | |
| Speaker power (W) | 1.5 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.3 | - |
| Keyboard | | |
| Numeric keypad | + | + |
| Keyboard backlit | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 35 | 37 |
| Battery life (max) (h) | 4.5 | - |
| Weight and dimensions | | |
| Weight (kg) | 1.85 | 1.6 |
| Height (mm) | 19.9 | 19.5 |
| Depth (mm) | 251.5 | 230 |
| Width (mm) | 362.2 | 357 |
| Power | | |
| AC adapter power (W) | 65 | 45 |
| Security | | |
| Fingerprint reader | - | - |
| Trusted platform module (TPM) | + | - |