Detailed comparison and review of Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) and Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard feel
high-resolution display
advanced security features
high price point
average battery life
heavier than competitors
noisy under load
Advantages and disadvantages of Lenovo IdeaPad S145-15IWL (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 battery life
no backlit keyboard
modest graphics capability
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.84 cm | 36.22 cm x 25.15 cm x 1.99 cm |
| Weight | 1.7 kg | 1.85 kg |
| Case Material | Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic | Polycarbonate ABS |
| Colour | Black paint | Grey IMR |
| DISPLAY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Screen Size (Type) | 15.6" - 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 | 500 cd/m² | 220 cd/m² |
| Colour Gamut | 72% NTSC | - |
| Features | Anti-glare, HDR (high dynamic range), 170° viewing angle, Dolby Vision | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| CPU | Intel Core i9 (9th Gen) 9880H / 2.3 GHz | Intel Pentium Gold 5405U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | - |
| Number of Cores | 8-core | Dual-Core |
| Cache | 16 MB | 2 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM246 | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2133 MHz |
| Rated Speed | 2666 MHz | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Intel | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 / Intel UHD Graphics 630 | Intel UHD Graphics |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Video System Features | Max-Q design | - |
| Camera | Yes - 720p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | IR camera, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Conexant CX11880 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Atmos | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 30 Wh |
| Battery Life | Up to 14 hours | Up to 5.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt, 20 V | 45 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Interfaces | USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Lenovo Ethernet extension connector Headphone/microphone combo jack LAN (on supplied cable) |
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, SDXC UHS-II Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home in S mode - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) |
|---|
| Included Accessories | Power adapter, ThinkPad Ethernet Extension cable | 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 | 0.546 W/kg (body), 0.546 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Silver | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 15IWL 81MV |
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