In depth comparison and review of Lenovo ThinkPad X1 Extreme Gen 3 (20TK) and Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145). 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 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
Advantages and disadvantages of Lenovo IdeaPad S145-14IIL (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
mediocre display quality
average battery life
limited storage capacity
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.84 cm | 32.71 cm x 24.1 cm x 1.99 cm |
| Weight | 1.7 kg | 1.6 kg |
| Case Material | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, aluminium alloy | Polycarbonate ABS |
| Colour | Black weave | Granite black |
| DISPLAY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Screen Size (Type) | 15.6" | 14" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 600 cd/m² | 220 cd/m² |
| Colour Gamut | 100% Adobe RGB | - |
| Features | Anti-glare, Wide Viewing Angle, HDR (high dynamic range), 178° viewing angle, Dolby Vision | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 3.4 GHz |
| Number of Cores | 6-core | Dual-Core |
| Cache | 12 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel WM490 | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| RAM | 16 GB (1 x 16 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2666 MHz |
| Rated Speed | 3200 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 Ti / Intel UHD Graphics | Intel UHD Graphics |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Video System Features | Max-Q design | - |
| Camera | Yes - 720p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | IR camera, ThinkShutter camera privacy | Fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3286 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | 3-magnet speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 30 Wh |
| Battery Life | Up to 15.6 hours | Up to 5.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Interfaces | 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) |
USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo IdeaPad S145-14IIL (Lenovo IdeaPad S145) |
|---|
| Included Accessories | Power adapter, Lenovo USB-C to Ethernet Adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| 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, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 2.512 W/kg (body), 0.967 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | - | 14IIL 81W6 |
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