In depth comparison and review of Lenovo ThinkPad L15 Gen 1 (20U7) and Lenovo ThinkPad T14s Gen 4 (21F6). 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 (20U7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good enterprise security
solid processor performance
decent battery life
heavy chassis design
mediocre display quality
limited graphics capability
slower SSD speed
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F6) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
efficient thermal management
good security features
average display brightness
limited graphics performance
no HDMI port
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 36.65 cm x 25 cm x 2.1 cm | 31.75 cm x 22.69 cm x 1.69 cm |
Weight | 1.98 kg | 1.25 kg |
Case Material | Polycarbonate ABS | Aluminium (bottom), carbon fibre hybrid (top) |
Colour | Black | Deep black |
DISPLAY | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 400 cd/m² |
Colour Gamut | 45% NTSC | 100% sRGB |
Features | Anti-glare, 170° viewing angle | Anti-glare, Low Power, Eyesafe technology |
PROCESSOR | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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CPU | AMD Ryzen 5 Pro 4650U / 2.1 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4 GHz | 4.6 GHz |
Number of Cores | 6-core | 10-core |
Cache | L3 - 8 MB | 12 MB |
Platform Technology | - | Intel Evo |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
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Max RAM Supported | 64 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5X SDRAM |
Speed | 3200 MHz | 4800 MHz |
Rated Speed | 3200 MHz | 6400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance |
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AUDIO & VIDEO | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes |
Resolution | - | 5 Megapixel |
Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Realtek RTL8852AE - M.2 Card | Intel Wi-Fi 6E AX 211 |
Network Interface | Gigabit Ethernet | - |
Compliant Standards | DASH | - |
Features | Dual stream (2x2) | Dual stream (2x2) |
WWAN |
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Generation | 4G upgradable | 4G upgradable |
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BATTERY | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Technology | Lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 45 Wh | 57 Wh |
Battery Life | Up to 15.7 hours | - |
AC ADAPTER | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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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, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack Dock (combined dual USB-C and ethernet side connection) |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Pro - English |
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Software Included | - | Glance by Mirametrix, Intel Connectivity Performance Suite |
MISCELLANEOUS | Lenovo ThinkPad L15 Gen 1 (20U7) | Lenovo ThinkPad T14s Gen 4 (21F6) |
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Dockable | Yes | - |
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Included Accessories | USB-C power adapter | USB-C slim 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, smart card reader |
Security Slot Type | Kensington security slot | Kensington nano 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | 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 | Limited warranty - 1 year - pick-up and return | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 1 year - on-site - response time: next business day |