Lenovo ThinkPad T14s Gen 3 (21BR) vs. Lenovo ThinkPad L15 Gen 3 (21C4)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad T14s Gen 3 (21BR) and Lenovo ThinkPad L15 Gen 3 (21C4). 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.

Laptop Specifications Comparison

Lenovo ThinkPad T14s Gen 3 (21BR) vs. Lenovo ThinkPad L15 Gen 3 (21C4) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.75 cm x 22.69 cm x 1.66 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.21 kg 1.76 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Thunder black Thunder black
DISPLAY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, 170° viewing angle, Low Power, Eyesafe technology Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 12-core 10-core
Cache 12 MB 12 MB
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
RAM 16 GB (provided memory is soldered) 16 GB (1 x 16 GB)
Max RAM Supported - 64 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 3200 MHz
Rated Speed 6400 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 2
Empty Slots - 1
STORAGE Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 3 external monitor(s)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR camera, Windows Hello, fixed focus
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
COMMUNICATIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6E AX 211 Intel Wi-Fi 6 AX 201
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) -
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 57 Wh
AC ADAPTER Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Interfaces 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
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
Memory Card Reader - Yes (microSD)
SOFTWARE Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Intel Connectivity Performance Suite -
MISCELLANEOUS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkPad L15 Gen 3 (21C4)
Included Accessories USB-C power adapter USB-C 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 nano 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, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold EPEAT Gold
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 - 3 years - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - battery - 1 year
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