Detailed comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and Lenovo ThinkPad X13 Gen 2 (20WK). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 Lenovo ThinkPad X13 Gen 2 (20WK) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
impressive security features
portable design
average display brightness
limited graphics power
noisy under load
higher price point
DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 30.58 cm x 21.706 cm x 1.819 cm |
Weight | 1.85 kg | 1.31 kg |
Case Material | Polycarbonate ABS | Aluminum, magnesium alloy, polyphenylene sulfide |
Colour | Granite black IMR | Villi black |
DISPLAY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Screen Size (Type) | 15.6" - TN | 13.3" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 220 cd/m² | 300 cd/m² |
Colour Gamut | - | 72% NTSC |
Features | Anti-glare | Anti-glare, 170° viewing angle, 72% NTSC colour gamut |
PROCESSOR | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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CPU | AMD A9 9425 / 3.1 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
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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 | - |
Platform Technology | - | Intel Evo |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 8 GB | - |
RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
Speed | 2133 MHz | 4266 MHz |
Rated Speed | 2133 MHz | 4266 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
Empty Slots | 0 | - |
STORAGE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Graphics Processor (GPU) | AMD Radeon R5 | Intel Iris Xe Graphics |
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Memory Allocation Technology | - | Shared Video Memory (UMA) |
Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes | Yes - 1080p |
Resolution | 0.3 Megapixel | - |
Camera Features | - | Privacy shutter, IR camera, Windows Hello |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 |
Ethernet Controller | - | Intel I219-V |
Features | Single stream (1x1) | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) |
WWAN |
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Generation | - | WWAN upgradable |
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BATTERY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Technology | Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 30 Wh | 54.7 Wh |
Battery Life | Up to 4 hours | Up to 24 hours |
AC ADAPTER | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 65 Watt |
INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Interfaces | USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack Dock (combined dual USB-C and ethernet side connection) |
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Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Pro 64-bit Edition - English |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad X13 Gen 2 (20WK) |
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Dockable | - | Yes |
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Included Accessories | Power adapter | USB-C power adapter |
Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
Security Slot Type | - | Kensington nano security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, TCG Certified |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
TCO Certified | - | TCO Certified Notebooks 8 |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 1 year - on-site |
Model Number | 15AST 81N3 | - |