Side by side comparison and review of Lenovo ThinkBook 13x G2 IAP (21AT) and Lenovo IdeaPad S145-15IWL (81MV). 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 ThinkBook 13x G2 IAP (21AT) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
sharp display resolution
fast SSD storage
good battery life
efficient thermal management
limited port selection
higher price point
no dedicated GPU
average speaker quality
Advantages and disadvantages of Lenovo IdeaPad S145-15IWL (81MV) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent processor performance
solid build quality
adequate connectivity options
average battery life
dim display
no backlit keyboard
limited graphics capabilities
DESIGN AND DIMENSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Product Type | Notebook - 180-degree hinge design | Notebook |
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Dimensions (WxDxH) | 29.6 cm x 20.9 cm x 1.29 cm | 36.22 cm x 25.15 cm x 1.99 cm |
Weight | 1.2 kg | 1.85 kg |
Case Material | Aluminium (top), aluminium (bottom), glass (display cover) | Polycarbonate ABS |
Colour | Dual tone storm grey | Platinum grey IMR |
DISPLAY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Screen Size (Type) | 13.3" - IPS | 15.6" - TN |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 2560 x 1600 (WQXGA) | 1366 x 768 (HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:9 |
Image Brightness | 400 cd/m² | 220 cd/m² |
Colour Gamut | 100% sRGB | - |
Features | Glossy, Corning Gorilla glass, anti-fingerprint, 170° viewing angle, Low Power, Dolby Vision, Smart sense panel | Anti-glare |
PROCESSOR | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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CPU | Intel Core i7 (12th Gen) 1255U / 1.7 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
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Max Turbo Speed | 4.7 GHz | 3.9 GHz |
Number of Cores | 10-core | Dual-Core |
Cache | 12 MB | 4 MB |
64-bit Computing | - | Yes |
Platform Technology | Intel Evo | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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RAM | 16 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
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Max RAM Supported | - | 12 GB |
RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
Speed | 4800 MHz | 2400 MHz |
Rated Speed | 4800 MHz | 2400 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 SATA 6Gb/s |
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AUDIO & VIDEO | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
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Max Monitors Supported | 2 external monitor(s) | - |
Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
Camera | Yes - 720p | Yes |
Resolution | - | 0.3 Megapixel |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus, ToF sensor | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
Codec | Realtek ALC3306 | - |
Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
Audio Features | Harman/kardon stereo speakers, Smart Amp, AI noise cancelling | - |
COMMUNICATIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Technology | Lithium polymer | Lithium Ion |
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Battery Capacity (Size) | 56 Wh | 30 Wh |
Battery Life | Up to 11.4 hours | Up to 5.5 hours |
AC ADAPTER | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 45 Watt |
INPUT | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack HDMI (on supplied adapter) VGA (on supplied adapter) LAN (on supplied adapter) USB 3.0 (on supplied adapter) |
USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
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Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Operating System (OS) | Windows 11 Pro - English | Windows 10 Home in S mode - English |
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Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
MISCELLANEOUS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S145-15IWL (81MV) |
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Included Accessories | USB-C slim power adapter | Power adapter |
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Bundled with | ThinkBook USB-C Micro Hub | - |
Integrated Options | Ambient light sensor | - |
Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | Administrator password, hard drive password, power-on password |
Compliant Standards | RoHS, FSC, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution) | RoHS, Energy-Related Products (ErP) Lot 3 |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Silver | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 5 °C | - |
Humidity Range Operating | 8 - 95% | - |
Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
Limited warranty - 1 year - pick-up and return |