Lenovo ThinkPad L13 Gen 3 (21B3) vs. Lenovo ThinkPad X13s Gen 1 (21BX)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad L13 Gen 3 (21B3) and Lenovo ThinkPad X13s Gen 1 (21BX). 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 L13 Gen 3 (21B3) vs. Lenovo ThinkPad X13s Gen 1 (21BX) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Product Type Notebook Notebook
Dimensions (WxDxH) 30.5 cm x 21.8 cm x 1.73 cm 29.87 cm x 20.64 cm x 1.34 cm
Weight 1.26 kg 1.06 kg
Case Material Aluminium (top), glass-fibre reinforced plastic (bottom) Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top)
Colour Thunder black Thunder black
DISPLAY Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Screen Size (Type) 13.3" - IPS 13.3" - IPS
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 100% sRGB
Features Anti-glare, 170° viewing angle Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Qualcomm Snapdragon 8cx Gen 3
Max Turbo Speed 4.4 GHz 3 GHz
Number of Cores 10-core 8-core
Cache 12 MB L2 - 1 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 3200 MHz 4266 MHz
Rated Speed 3200 MHz 4266 MHz
STORAGE Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
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 L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Graphics Processor (GPU) Intel Iris Xe Graphics Qualcomm Adreno 690
Max Monitors Supported 3 external monitor(s) 2 external monitor(s)
Camera Yes - 1080p Yes
Resolution - 5 Megapixel
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus IR camera, fixed focus, e-camera shutter, MIPI
Sound Stereo speakers, dual array microphone Stereo speakers, 3-microphone array
Codec Realtek ALC3287 Qualcomm WCD9385
Compliant Standards High Definition Audio, Dolby Audio, Dolby Voice High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 Qualcomm WCN6855 Wi-Fi 6E
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation - 5G
Controller - Qualcomm Snapdragon X55 - M.2 Card
BATTERY Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 46 Wh 49.5 Wh
Battery Life Up to 14.3 hours Up to 28 hours
AC ADAPTER Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
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 L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Slots - 1 x Nano-SIM card (1 free)
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
Headphone/microphone combo jack
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
SOFTWARE Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Pro (on ARM) - English
MISCELLANEOUS Lenovo ThinkPad L13 Gen 3 (21B3) Lenovo ThinkPad X13s Gen 1 (21BX)
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 with Microsoft Pluton, 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, self-healing BIOS, NVMe password Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS
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 - 3 years - pick-up and return
Limited warranty - battery - 1 year
Extended warranty - 1 year - on-site
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