Side by side comparison and review of Lenovo ThinkBook 13s-IWL (20R9) 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 13s-IWL (20R9) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
lightweight and portable
sharp full HD display
solid state drive included
good battery life
limited port selection
no dedicated GPU
average audio quality
standard RAM capacity
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 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.76 cm x 21.64 cm x 1.59 cm | 36.22 cm x 25.15 cm x 1.99 cm |
| Weight | 1.32 kg | 1.85 kg |
| Case Material | Aluminum | Polycarbonate ABS |
| Colour | Mineral grey | Platinum grey IMR |
| DISPLAY | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Screen Size (Type) | 13.3" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2280 SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio X3 | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 30 Wh |
| Battery Life | Up to 11 hours | Up to 5.5 hours |
| AC ADAPTER | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) HDMI Headphone/microphone combo jack |
USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - German | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkBook 13s-IWL (20R9) | Lenovo IdeaPad S145-15IWL (81MV) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | 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, RapidCharge | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS, FIDO Certified | RoHS, Energy-Related Products (ErP) Lot 3 |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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