Side by side comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and Lenovo ThinkPad T15g Gen 2 (20YT). 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 Lenovo ThinkPad T15g Gen 2 (20YT) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful graphics performance
robust build quality
high-resolution display
advanced cooling system
good connectivity options
heavy and bulky
expensive price point
average battery life
limited color options
DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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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 | 37.54 cm x 25.23 cm x 3.145 cm |
Weight | 1.85 kg | 2.87 kg |
Case Material | Polycarbonate ABS | Glass-fibre, polyphenylene sulfide, polyamide |
Colour | Granite black IMR | Black |
DISPLAY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Screen Size (Type) | 15.6" - TN | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 3840 x 2160 (Ultra HD 4K) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 220 cd/m² | 600 cd/m² |
Colour Gamut | - | 100% Adobe RGB |
Features | Anti-glare | Anti-glare, HDR 400 compatible, 170° viewing angle, Dolby Vision |
PROCESSOR | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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CPU | AMD A9 9425 / 3.1 GHz | Intel Core i9 (11th Gen) 11950H / 2.6 GHz |
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Max Turbo Speed | 3.7 GHz | 5 GHz |
Number of Cores | Dual-Core | 8-core |
Cache | 1 MB | 24 MB |
64-bit Computing | Yes | - |
Chipset | - | Intel WM590 |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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RAM | 4 GB (1 x 4 GB) | 32 GB |
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Max RAM Supported | 8 GB | 128 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
Speed | 2133 MHz | 3200 MHz |
Rated Speed | 2133 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 4 |
Empty Slots | 0 | - |
STORAGE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 2 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Samsung |
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RAID Level | - | RAID 0, RAID 1 |
AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | AMD Radeon R5 | NVIDIA GeForce RTX 3070 / Intel UHD Graphics |
Max Monitors Supported | - | 4 external monitor(s) |
Video Memory | - | 8 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 |
Camera | Yes | Yes - 720p |
Resolution | 0.3 Megapixel | - |
Camera Features | - | Privacy shutter, IR camera, fixed focus |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3306 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
COMMUNICATIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 210 |
Network Interface | - | 2.5 Gigabit Ethernet |
Features | Single stream (1x1) | Wake-on-LAN (WOL) |
BATTERY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Technology | Lithium Ion | 6-cell lithium polymer |
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Battery Capacity (Size) | 30 Wh | 94 Wh |
Battery Life | Up to 4 hours | Up to 11 hours |
AC ADAPTER | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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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 | 230 Watt, 20 V |
INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | 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 T15g Gen 2 (20YT) |
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Slots | - | 3 x M.2 Card (2 free) |
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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 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card) |
SOFTWARE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | Lenovo ThinkPad T15g Gen 2 (20YT) |
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Included Accessories | Power adapter | Power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Discrete 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 | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
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 | - |
Model Number | 15AST 81N3 | - |