Lenovo ThinkPad L15 Gen 3 (21C7) vs. ASUS ExpertBook B1 (B1502CG)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C7) and ASUS ExpertBook B1 (B1502CG). 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.

Lenovo ThinkPad L15 Gen 3 (21C7) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

adequate performance level

reliable security features

average display quality

limited graphics power

heavier than competitors

no thunderbolt support

ASUS ExpertBook B1 (B1502CG) Review

Advantages and disadvantages of ASUS ExpertBook B1 (B1502CG) based on its technical characteristics, features, user experience, expert reviews and price level.

robust military-grade durability

efficient multitasking capabilities

comprehensive connectivity options

lightweight and portable design

responsive fingerprint sensor

average battery life

mediocre display quality

limited graphics performance

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C7) and ASUS ExpertBook B1 (B1502CG)
86 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
75 % - Display
65 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C7) vs. ASUS ExpertBook B1 (B1502CG) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 36.16 cm x 23.3 cm x 1.99 cm
Weight 1.76 kg 1.69 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Plastic
Colour Thunder black Star black
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Screen Size (Type) 15.6" - IPS 15.6"
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 Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
CPU AMD Ryzen 3 Pro 5475U / 2.7 GHz Intel Core i3 N305
Max Turbo Speed 4.1 GHz 3.8 GHz
Number of Cores Quad-Core 8-core
Cache L3 - 8 MB 6 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 40 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 128 GB SSD - UFS
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - HD
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera Privacy shutter, IR camera, Windows Hello
Sound Stereo speakers, dual array microphone Speaker, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features Input: Dolby Voice, far-field Output: Audio by Dirac
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.3
Wireless Controller AMD RZ616 - M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111EPV -
Compliant Standards DASH -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 42 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt, 20 V, 3.25 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, chiclet keyboard, 1.4mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Interfaces USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
HDMI (4K support)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
USB 2.0
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.2 Gen 1 (Power Delivery)
HDMI 1.4
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English / Portuguese Windows 11 Pro Education
Software Included Glance by Mirametrix Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS ExpertBook B1 (B1502CG)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, face recognition
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 Hard drive password, MIL-STD-810H tested, BIOS protection
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, REACH, TCO Certified 9.0, FSC Mix
Carbon Footprint 236 kg carbon emissions -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - BQI381XA
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