Lenovo IdeaPad S ideapad S145-15AST 81N30045CK
Specs
Prices
Main specs
| Processor | AMD A9 A9-9425 3,1GHz |
|---|---|
| Screen | 15.6" 1366x768 TN 220 nits |
| Hard drive | 128GB SSD 2.5" |
| RAM | 4GB DDR4-SDRAM |
| Operating system | Windows 10 Home in S mode |
| Graphics card | AMD Radeon R5 |
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Full specifications of Lenovo IdeaPad S ideapad S145-15AST 81N30045CK
| Reference / Part Number | 81N30045CK |
|---|---|
| Release date | November 2019, 6 years ago |
Design
| Product type | Laptop |
|---|---|
| Product colour | Grey,Platinum |
| Form factor | Clamshell |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
Image gallery
Screen
| Display diagonal | 39,6 cm |
|---|---|
| Display resolution | 1366 x 768 pixels |
| Touchscreen | No |
| HD type | HD |
| Panel type | TN |
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
| Display brightness | 220 cd/m² |
Processor
| Processor family | AMD A9 |
|---|---|
| Processor manufacturer | AMD |
| Processor model | A9-9425 |
| Processor frequency | 3,1 GHz |
| Processor cores | 2 |
| Processor boost frequency | 3,7 GHz |
| Processor cache | 1 MB |
| Processor cache type | L2 |
| Processor lithography | 28 nm |
| Thermal Design Power (TDP) | 15 W |
Memory
| Internal memory | 4 GB |
|---|---|
| Maximum internal memory | 8 GB |
| Internal memory type | DDR4-SDRAM |
| Memory clock speed | 2133 MHz |
| Memory form factor | SO-DIMM |
| Memory layout (slots x size) | 1 x 4 GB |
| Memory slots | 1x SO-DIMM |
Storage
| Total storage capacity | 128 GB |
|---|---|
| Storage media | SSD |
| Optical drive type | No |
| Total SSDs capacity | 128 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 128 GB |
| SSD interface | SATA III |
| SSD form factor | 2.5" |
| Card reader integrated | Yes |
| Compatible memory cards | MMC,SD,SDHC,SDXC |
Graphics
| On-board graphics card | Yes |
|---|---|
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board graphics card model | AMD Radeon R5 |
| On-board graphics card base frequency | 900 MHz |
Audio
| Audio system | Dolby Audio |
|---|---|
| Number of built-in speakers | 2 |
| Speaker power | 1,5 W |
| Built-in subwoofer | No |
| Built-in microphone | Yes |
| Number of microphones | 1 |
Camera
| Front camera | Yes |
|---|---|
| Front camera resolution (numeric) | 0,3 MP |
| Auto focus | No |
Network
| Mobile network connection | No |
|---|---|
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a,802.11b,802.11g,Wi-Fi 4 (802.11n),Wi-Fi 5 (802.11ac) |
| Antenna type | 1x1 |
| Ethernet LAN | No |
| Bluetooth | Yes |
| Bluetooth version | 4.2 |
| WWAN | Not installed |
Ports & interfaces
| USB 2.0 ports quantity | 1 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Ethernet LAN (RJ-45) ports | 0 |
| HDMI version | 1.4b |
| DisplayPorts quantity | 0 |
| Thunderbolt 3 ports quantity | 0 |
| Headphone outputs | 1 |
| Combo headphone/mic port | Yes |
| ExpressCard slot | No |
| SmartCard slot | No |
Keyboard
| Numeric keypad | Yes |
|---|---|
| Pointing device | Touchpad |
| Keyboard backlit | No |
| Full-size keyboard | Yes |
| Windows keys | Yes |
Software
| Operating system installed | Windows 10 Home in S mode |
|---|---|
| Operating system architecture | 64-bit |
Battery
| Battery capacity | 30 Wh |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery life (max) | 4 h |
Power
| AC adapter power | 45 W |
|---|---|
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| DC-in jack | Yes |
Security
| Fingerprint reader | No |
|---|---|
| Trusted Platform Module (TPM) | Yes |
| Password protection | Yes |
| Password protection type | HDD,Power on,Supervisor |
Certificates
| Compliance certificates | RoHS |
|---|---|
| Certification | ErP lot3 |
Sustainability
| Sustainability certificates | ENERGY STAR |
|---|
Weight & dimensions
| Weight | 1,85 kg |
|---|---|
| Width | 362,2 mm |
| Depth | 251,5 mm |
| Height | 19,9 mm |
Packaging content
| AC adapter included | Yes |
|---|---|
| Manual | Yes |
| Warranty card | Yes |
| Power cord included | Yes |
Other features
| 3D | No |
|---|---|
| Maximum internal memory (64-bit) | 8 GB |
Frequently asked questions
Is the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK good for gaming?
This laptop was not built for gaming: it relies on the integrated AMD Radeon R5. Its card's page shows what level it handles current games at.
How long does the battery of the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK last?
The manufacturer declares up to 4 h of battery life. Real duration depends on brightness, workload and battery health.
What is the screen of the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK like?
It carries a 15.6" 1366x768 TN 220 nits display.
Which processor and graphics card does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK have?
It runs on the AMD A9 A9-9425 processor with the AMD Radeon R5 graphics. Their pages carry their benchmarks, ranking position and alternatives.
Can the RAM of the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK be upgraded?
Yes: it has 1 memory slot and takes up to 8 GB according to the manufacturer (it ships with 4GB).
Which operating system does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK come with?
It comes with Windows 10 Home in S mode preinstalled.
Which ports does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK have?
According to its spec sheet: 2 × USB-A, 1 × HDMI, card reader, headphone jack (3.5 mm).
Does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK have a backlit keyboard?
No, according to its spec sheet the keyboard is not backlit.
Does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK have a touch screen?
No, according to its spec sheet the screen is not a touch screen.
What material is the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK made of?
Its housing is made of Acrylonitrile butadiene styrene (ABS).
How much does the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK weigh?
It weighs 1,85 kg, a normal weight for its size: easy enough to move around.
When was the Lenovo IdeaPad S ideapad S145-15AST 81N30045CK released?
Its release date is November 2019, 6 years ago.