Lenovo ThinkPad L15 Gen 1 (20U7) vs. Lenovo ThinkPad T14s Gen 4 (21F6)

Laptop Comparison, Reviews and Tests

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.

Lenovo ThinkPad L15 Gen 1 (20U7) Review

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

Lenovo ThinkPad T14s Gen 4 (21F6) Review

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

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 1 (20U7) and Lenovo ThinkPad T14s Gen 4 (21F6)
75 % - Design
64 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 1 (20U7) vs. Lenovo ThinkPad T14s Gen 4 (21F6) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
Product Type Notebook Notebook - 180-degree hinge design
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)
Screen Size (Type) 15.6" - IPS 14" - IPS
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)
CPU AMD Ryzen 5 Pro 4650U / 2.1 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
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)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
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)
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
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
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)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
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
Generation 4G upgradable 4G upgradable
BATTERY Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
Technology Lithium polymer Lithium polymer
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)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
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, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
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
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 11 Pro - English
Software Included - Glance by Mirametrix, Intel Connectivity Performance Suite
MISCELLANEOUS Lenovo ThinkPad L15 Gen 1 (20U7) Lenovo ThinkPad T14s Gen 4 (21F6)
Dockable Yes -
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
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