Lenovo ThinkPad L15 Gen 3 (21C4) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate port selection

average display brightness

heavier than competitors

limited graphics performance

no thunderbolt support

Dell Latitude 5440 Review

Advantages and disadvantages of Dell Latitude 5440 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive battery life

advanced security features

good value pricing

moderate display brightness

average graphics performance

limited color range

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and Dell Latitude 5440
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
85 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. Dell Latitude 5440 Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 32.135 cm x 21.2 cm x 2.104 cm
Weight 1.76 kg 1.39 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Grey
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) - 157
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.161 mm pixel pitch
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.4 GHz 4.6 GHz
Number of Cores 10-core 10-core
Cache 12 MB L3 - 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
RAM 16 GB (1 x 16 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
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 1
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 256 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1920 x 1080 (standard), 640 x 360 (infrared)
Resolution - 2.07 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera)
Image Sensor Type - CMOS
Video Resolutions - 1920 x 1080, 640 x 360
Frame Rate - 30 frames per second
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6E AX 211 - M.2 2230
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features - Dual stream (2x2), MU-MIMO
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Technology 3-cell lithium polymer 3-cell
Battery Capacity (Size) 57 Wh 54 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls -
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Interfaces 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
HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Pro - Dutch / English / French / German / Italian
Software Included - Intel Rapid Storage Technology, Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C4) Dell Latitude 5440
Included Accessories USB-C power adapter USB-C power adapter
Integrated Options - Accelerometer, ambient light sensor
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington nano security slot Noble Wedge 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 ExpressCharge, single pointing, Dell ControlVault 3, ExpressChargeBoost
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified FIPS 140-2, TCG Certified, TCO Certified 9.0
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 0 °C
Humidity Range Operating 8 - 95% 10 - 90% (non-condensing)
Other Comparisons with Lenovo ThinkPad L15 Gen 3 (21C4)
Other Comparisons with Dell Latitude 5440
Other Popular Laptop Comparisons
Other projects: