Side by side comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and Razer Book. 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 Razer Book based on its technical characteristics, features, user experience, expert reviews and price level.
sharp display resolution
sleek aluminum chassis
efficient thermal management
lightweight portability
robust build quality
limited graphics power
higher price point
average battery life
no dedicated GPU
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 29.56 cm x 19.85 cm x 1.515 cm |
| Weight | 1.85 kg | 1.34 kg |
| Case Material | Polycarbonate ABS | - |
| Colour | Granite black IMR | Mercury |
| DISPLAY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Screen Size (Type) | 15.6" - TN | 13.4" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 220 cd/m² | - |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Matte, slim bezel design, Factory Calibration, 178° viewing angle |
| PROCESSOR | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| CPU | AMD A9 9425 / 3.1 GHz | Intel Core i5 (11th Gen) 1135G7 |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 1 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Platform Trust Technology (PTT) |
| MEMORY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2133 MHz | 4267 MHz |
| Rated Speed | 2133 MHz | 4267 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 256 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes | Yes - HD |
| Resolution | 0.3 Megapixel | 1 Megapixel |
| Camera Features | - | IR camera, Windows Hello |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, microphone | Stereo speakers, 4-microphone array |
| Compliant Standards | High Definition Audio, Dolby Audio | THX Spatial Audio |
| Audio Features | - | Smart Amp |
| COMMUNICATIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 |
| Features | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 55 Wh |
| Battery Life | Up to 4 hours | - |
| AC ADAPTER | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad | Anti-ghosting, per-key RGB, Razer Chroma RGB, precision glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Interfaces | USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
2 x USB-C (supports Thunderbolt 4) (powered) USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Razer Book |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Features | Administrator password, hard drive password, power-on password | - |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year |
| Model Number | 15AST 81N3 | - |
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