| Attribute |
Lenovo IdeaPad S145 (81MV00FGUS) × | 
Lenovo IdeaPad 100 15 (80QQ0020MX?WH) × |
| General | | |
| Model | Lenovo IdeaPad S145 | Lenovo IdeaPad 100 15 |
| Product code | 81MV00FGUS | 80QQ0020MX?WH |
| Design | | |
| Product colour | Grey, Platinum | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Lenovo | Lenovo |
| Family | IdeaPad | IdeaPad |
| Series | S | 100 |
| Model name | S145 | 100 15 |
| Part number | 81MV00FGUS | 80QQ0020MX?WH |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | Intel Celeron | Intel Celeron |
| Processor frequency (GHz) | 1.8 | 1.7 |
| Processor model | 4205U | 3215U |
| Processor cores | 2 | 2 |
| Processor threads | 2 | 2 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1528 | BGA 1168 |
| Processor cache (MB) | 2 | 2 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 12 | 8 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| HD type | HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Dual-screen | - | - |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 32 | 16 |
| On-board graphics adapter model | Intel UHD Graphics 610 | Intel HD Graphics |
| Storage | | |
| Total storage capacity (GB) | 128 | 128 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 128 | 128 |
| Card reader integrated | + | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | | - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
|
| Bluetooth | + | + |
| Ethernet LAN | - | + |
| Ethernet LAN data rates (Mbit/s) | - | |
| Wi-Fi | + | + |
| Bluetooth version | 4.2 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 1 | 1 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | - | 1 |
| Audio | | |
| Speaker power (W) | 1.5 | 1.5 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.3 | 0.3 |
| Keyboard | | |
| Numeric keypad | + | + |
| 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) | 30 | 32 |
| Battery life (max) (h) | 5.5 | - |
| Weight and dimensions | | |
| Weight (kg) | 1.85 | 2.3 |
| Height (mm) | 19.9 | 22.6 |
| Depth (mm) | 251.5 | 265 |
| Width (mm) | 362.2 | 378 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | - | + |
| Fingerprint reader | - | - |
| Trusted platform module (TPM) | + | - |