In depth comparison and review of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) and Lenovo IdeaPad S145-14IIL (81W6). 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 5 (21DE) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processors
robust build quality
excellent 4k display
advanced security features
wide connectivity options
high price point
heavier than competitors
average battery life
loud under load
Advantages and disadvantages of Lenovo IdeaPad S145-14IIL (81W6) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent processor performance
adequate connectivity options
average display quality
limited battery life
modest graphics capability
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.95 cm x 25.38 cm x 1.79 cm | 32.71 cm x 24.1 cm x 1.99 cm |
| Weight | 1.88 kg | 1.6 kg |
| Case Material | Aluminium (bottom), carbon fibre (top) | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Black paint | Platinum grey | Granite black |
| DISPLAY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Screen Size (Type) | 16" - IPS | 14" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQXGA) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | 165 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 500 cd/m² | 220 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.4 GHz |
| Number of Cores | 14-core | Dual-Core |
| Cache | 24 MB | 4 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| RAM | 16 GB (1 x 16 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | 12 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2666 MHz |
| Rated Speed | 4800 MHz | 2666 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics | Intel UHD Graphics |
| Max Monitors Supported | 4 external monitor(s) | - |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - 1080p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Voice | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Wireless | NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 30 Wh |
| Battery Life | - | Up to 5.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
USB 2.0 2 x USB 3.1 Gen 1 HDMI 1.4b Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Express Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - German | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Glance by Mirametrix | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo IdeaPad S145-14IIL (81W6) |
|---|
| Included Accessories | Power adapter | Wall mount power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TÜV Rheinland Low Blue Light Method 2 | RoHS, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 9 | - |
| Carbon Footprint | - | 293 kg carbon emissions |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Limited warranty - 1 year - pick-up and return |
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