Lenovo ThinkPad T14 Gen 3 (21AJ) vs. Lenovo ThinkPad L13 Gen 3 (21B4)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad T14 Gen 3 (21AJ)
Lenovo ThinkPad T14 Gen 3 (21AJ)

Our Rating: 85 %

Side by side comparison and review of Lenovo ThinkPad T14 Gen 3 (21AJ) and Lenovo ThinkPad L13 Gen 3 (21B4). 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.

Lenovo ThinkPad T14 Gen 3 (21AJ) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 3 (21AJ) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful processor options

good battery life

ample connectivity options

relatively heavy

average display brightness

costly base model

noisy under load

Lenovo ThinkPad L13 Gen 3 (21B4) Review

Advantages and disadvantages of Lenovo ThinkPad L13 Gen 3 (21B4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

good keyboard feel

adequate connectivity options

competitive price point

average display quality

modest battery life

limited graphics power

noisy under load

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T14 Gen 3 (21AJ) and Lenovo ThinkPad L13 Gen 3 (21B4)
85 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
78 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14 Gen 3 (21AJ) vs. Lenovo ThinkPad L13 Gen 3 (21B4) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 31.77 cm x 22.69 cm x 1.79 cm 30.5 cm x 21.8 cm x 1.73 cm
Weight 1.21 kg 1.26 kg
Case Material Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) Aluminium (top), glass-fibre reinforced plastic (bottom)
Colour Thunder black Thunder black
DISPLAY Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Screen Size (Type) 14" - IPS 13.3" - IPS
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 72% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, capacitive touch screen, 170° viewing angle
PROCESSOR Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
CPU Intel Core i5 (12th Gen) 1245U / 1.6 GHz Intel Core i5 (12th Gen) 1245U / 1.6 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 T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 40 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
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 - 720p Yes - 1080p
Camera Features Privacy shutter, 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, Dolby Voice High Definition Audio, Dolby Audio, Dolby Voice
COMMUNICATIONS Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet -
Features Wake-on-LAN (WOL) Dual stream (2x2)
WWAN
Generation 4G -
Technology LTE -
Controller Quectel EM05-G - M.2 Card -
BATTERY Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Technology 3-cell lithium polymer 4-cell lithium polymer
Battery Capacity (Size) 39.3 Wh 46 Wh
Battery Life - Up to 14.3 hours
AC ADAPTER Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
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 T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
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 T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x 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 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
Headphone/microphone combo jack
SOFTWARE Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
MISCELLANEOUS Lenovo ThinkPad T14 Gen 3 (21AJ) Lenovo ThinkPad L13 Gen 3 (21B4)
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication 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%
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