Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ExpertBook B9 (B1500CBA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ExpertBook B9 (B1500CBA). 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 (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

ASUS ExpertBook B9 (B1500CBA) Review

Advantages and disadvantages of ASUS ExpertBook B9 (B1500CBA) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

fast SSD storage

advanced connectivity options

average display quality

no dedicated GPU

limited upgradeability

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ExpertBook B9 (B1500CBA)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
81 % - Design
75 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ExpertBook B9 (B1500CBA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 31.1 cm x 21.5 cm x 1.57 cm
Weight 1.76 kg 990 g
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Magnesium-lithium alloy
Colour Thunder black Star black
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Screen Size (Type) 15.6" - IPS 14" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1800 (WQXGA+)
V-Sync Rate at Max Res. - 90 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 400 cd/m²
Colour Gamut 45% NTSC 100% sRGB
Features Anti-glare, 170° viewing angle Glossy, Wide-View (IPS), 178° horizontal and vertical viewing angle, Pantone Validated, 1 ms response rate, 90% screen-to-body ratio, HDR 600 True Black
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i7 (13th Gen) 1355U / 1.8 GHz
Max Turbo Speed 4.4 GHz 5.1 GHz
Number of Cores 10-core 10-core
Cache 12 MB 12 MB
Platform Technology - Intel Evo
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
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 - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR camera, Windows Hello
Sound Stereo speakers, dual array microphone Speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features - Output: Smart Amplification technology; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6 AX 201 -
Network Interface Gigabit Ethernet -
Features - Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2)
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Technology 3-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 63 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
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, 20 V, 3.25 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Type Keyboard, TrackPoint, UltraNav Keyboard, NumberPad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, chiclet keyboard, 1.5mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
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
Headphone/microphone combo jack
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 2
HDMI 2.1
Micro-HDMI
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Pro
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B9 (B1500CBA)
Included Accessories USB-C power adapter USB-C power adapter, Micro HDMI to LAN adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader 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, self-healing BIOS, NVMe password System password, hard drive password, MIL-STD-810H tested, Computrace ready from BIOS, Cortana support
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, REACH, FSC Mix
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Model Number - BQ1288X
Other Comparisons with Lenovo ThinkPad L15 Gen 3 (21C4)
Other Comparisons with ASUS ExpertBook B9 (B1500CBA)
Other Popular Laptop Comparisons
Other projects: