Lenovo ThinkPad L14 Gen 3 (21C1) vs. Lenovo ThinkPad L15 Gen 3 (21C3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L14 Gen 3 (21C1) and Lenovo ThinkPad L15 Gen 3 (21C3). 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.

Laptop Specifications Comparison

Lenovo ThinkPad L14 Gen 3 (21C1) vs. Lenovo ThinkPad L15 Gen 3 (21C3) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.54 cm x 21.7 cm x 1.983 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.39 kg 1.76 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Thunder black Thunder black
DISPLAY Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 10-core 10-core
Cache 12 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
RAM 8 GB (1 x 8 GB) 8 GB (2 x 4 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 0
STORAGE Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
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 - 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, Dolby Voice
COMMUNICATIONS Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 Card Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Wake-on-LAN (WOL), dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 57 Wh
AC ADAPTER Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
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 L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
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 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
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
HDMI
LAN
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
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 - English
MISCELLANEOUS Lenovo ThinkPad L14 Gen 3 (21C1) Lenovo ThinkPad L15 Gen 3 (21C3)
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, 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, 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 - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
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