Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ExpertBook B5 OLED (B5602CBA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ExpertBook B5 OLED (B5602CBA). 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 B5 OLED (B5602CBA) Review

Advantages and disadvantages of ASUS ExpertBook B5 OLED (B5602CBA) based on its technical characteristics, features, user experience, expert reviews and price level.

stunning oled display

lightweight design

robust security features

fast ssd storage

good battery life

average graphics performance

no numeric keypad

higher price point

limited port selection

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ExpertBook B5 OLED (B5602CBA)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
85 % - Design
85 % - Display
86 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ExpertBook B5 OLED (B5602CBA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 35.82 cm x 26.12 cm x 1.99 cm
Weight 1.76 kg 1.5 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Aluminum, magnesium-aluminum alloy
Colour Thunder black Star black
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Screen Size (Type) 15.6" - IPS 16" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 3840 x 2400 (WQUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 400 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Features Anti-glare, 170° viewing angle Glossy, narrow-bezel design, Pantone Validated, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i5 (12th Gen) 1240P / 1.7 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 10-core 12-core
Cache 12 MB 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
RAM 16 GB (1 x 16 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB 40 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 256 GB SSD M.2 PCIe 4.0
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
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 - 720p
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
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 -
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Dual stream (2x2)
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Technology 3-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 57 Wh 84 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 90 Watt, 20 V, 4.5 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
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, 1.5mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
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
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
LAN (RJ-45)
USB 2.0
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ExpertBook B5 OLED (B5602CBA)
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 B5 OLED (B5602CBA)
Included Accessories USB-C power adapter USB-C power 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
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold EPEAT Silver
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Model Number - L2I5X
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