In depth comparison and review of Lenovo ThinkPad L15 Gen 1 (20U3) and Lenovo ThinkPad X1 Extreme Gen 3 (20TL). 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 L15 Gen 1 (20U3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good enterprise security
solid processor performance
reliable battery life
heavy design
mediocre display quality
limited graphics power
no thunderbolt support
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TL) 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
good thermal management
heavier than competitors
short battery life
expensive price point
limited port variety
| DESIGN AND DIMENSIONS | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.65 cm x 25 cm x 2.1 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 1.98 kg | 1.7 kg |
| Case Material | Polycarbonate ABS | Carbon fibre hybrid (top), aluminium alloy (bottom) |
| Colour | Black | Black weave |
| DISPLAY | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 600 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB |
| Features | Anti-glare, 170° viewing angle | Anti-glare, HDR (high dynamic range), 178° viewing angle, Dolby Vision |
| PROCESSOR | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Chipset | - | Mobile Intel WM490 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| RAM | 8 GB (1 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2933 MHz |
| Rated Speed | 2666 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 - TCG Opal Encryption, NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Western Digital |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | IR camera, Windows Hello, fixed focus, ThinkShutter camera privacy |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | 3-magnet speakers |
| COMMUNICATIONS | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Realtek RTL8852AE - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| Features | Dual stream (2x2) | - |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Technology | Lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 80 Wh |
| Battery Life | Up to 11.6 hours | Up to 15.6 hours |
| AC ADAPTER | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 135 Watt, 20 V |
| INPUT | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack Dock |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad L15 Gen 1 (20U3) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested, self-healing BIOS |
| Compliant Standards | RoHS | RoHS, TCG Certified |
| SAR Value | - | 2.512 W/kg (body), 0.967 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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