In depth comparison and review of Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) and Lenovo ThinkPad X1 Extreme Gen 3 (20TK). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) 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 display quality
limited graphics capability
modest battery life
no backlit keyboard
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TK) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
high-resolution display
robust build quality
ample connectivity options
good thermal management
heavy chassis
expensive price point
average battery life
noisy under load
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.71 cm x 24.1 cm x 1.99 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 1.6 kg | 1.7 kg |
| Case Material | Polycarbonate ABS | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, aluminium alloy |
| Colour | Granite black IMR | Black weave |
| DISPLAY | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Screen Size (Type) | 14" - TN | 15.6" |
|---|---|---|
| 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, Wide Viewing Angle, HDR (high dynamic range), 178° viewing angle, Dolby Vision |
| PROCESSOR | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| CPU | Intel Core i3 (8th Gen) 8145U / 2.1 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | 4 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Mobile Intel WM490 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 8 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2933 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2280 SATA 6Gb/s | 512 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce GTX 1650 Ti / Intel UHD Graphics |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design |
| Camera | Yes | Yes - 720p |
| Resolution | 0.3 Megapixel | - |
| Camera Features | - | IR camera, ThinkShutter camera privacy |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | 3-magnet speakers |
| COMMUNICATIONS | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| 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 |
| Network Interface | - | Gigabit Ethernet |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | 80 Wh |
| Battery Life | Up to 6 hours | Up to 15.6 hours |
| AC ADAPTER | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 135 Watt |
| INPUT | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| 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 USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Included Accessories | Power adapter | Power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
| SAR Value | - | 2.512 W/kg (body), 0.967 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
| Model Number | 14IWL 81MU | - |
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