Lenovo ThinkPad L15 Gen 4 (21H3) vs. Lenovo ThinkPad L14 Gen 4 (21H2)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad L15 Gen 4 (21H3) and Lenovo ThinkPad L14 Gen 4 (21H2). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 4 (21H3) vs. Lenovo ThinkPad L14 Gen 4 (21H2) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 32.54 cm x 21.7 cm x 1.983 cm
Weight 1.77 kg 1.4 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Thunder black Thunder black
DISPLAY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Screen Size (Type) 15.6" - IPS 14" - IPS
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 60 Hz -
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 Anti-glare
PROCESSOR Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.6 GHz 4.6 GHz
Number of Cores 10-core 10-core
Cache 12 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
RAM 16 GB (1 x 16 GB) 16 GB (2 x 8 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 L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
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 - Kioxia
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
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) Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
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, far-field Input: Dolby Voice, far-field
COMMUNICATIONS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.1
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
Ethernet Controller Intel I219-V -
Features Wake-on-LAN (WOL), dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 46.5 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
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 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight 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 L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro
MISCELLANEOUS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad L14 Gen 4 (21H2)
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
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, 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 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
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 - response time: next business day
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