Side by side comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and ASUS ExpertBook B9 (B9450FA). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
adequate connectivity options
solid build quality
simple user interface
mediocre battery life
average display quality
limited graphics performance
slower HDD storage
Advantages and disadvantages of ASUS ExpertBook B9 (B9450FA) based on its technical characteristics, features, user experience, expert reviews and price level.
extremely lightweight
long battery life
robust security features
fast SSD storage
premium build quality
high price point
limited graphics performance
no HDMI port
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 32 cm x 20.3 cm x 1.49 cm |
| Weight | 1.85 kg | 880 g |
| Case Material | Polycarbonate ABS | - |
| Colour | Granite black IMR | Star black |
| DISPLAY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Screen Size (Type) | 15.6" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 300 cd/m² |
| Colour Gamut | - | 100% sRGB, 72% NTSC |
| Features | Anti-glare | ASUS Splendid Video Intelligence Technology, anti-glare, WideView, Tru2Life, NanoEdge display, thin bezel design, 72% NTSC colour gamut |
| PROCESSOR | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| CPU | AMD A9 9425 / 3.1 GHz | Intel Core i7 (10th Gen) 10510U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4.9 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 1 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | 2133 MHz | 2133 MHz |
| Rated Speed | 2133 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Resolution | 0.3 Megapixel | - |
| Camera Features | - | IR camera, Windows Hello |
| Sound | Stereo speakers, microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Ethernet |
| Features | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 66 Wh |
| Battery Life | Up to 4 hours | - |
| AC ADAPTER | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt, 19 V, 3.42 A |
| INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Interfaces | USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.1 Gen 2 HDMI Micro-HDMI LAN (on supplied cable) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Pro |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ExpertBook B9 (B9450FA) |
|---|
| Included Accessories | Power adapter | Sleeve, USB-C power adapter, Micro HDMI to LAN adapter |
|---|---|---|
| Cables Included | - | Micro-HDMI to LAN cable |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password | System password, hard drive password, ErgoLift |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | BSMI, CB, CCC, FCC, RoHS, MIL-STD 810G |
| SAR Value | - | 0.137 W/kg (body), 0.137 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | 15AST 81N3 | BM0397R |
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