ASUS ExpertBook B5 (B5302CEA) vs. Lenovo ThinkPad L15 Gen 3 (21C3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ExpertBook B5 (B5302CEA) and Lenovo ThinkPad L15 Gen 3 (21C3). 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.

ASUS ExpertBook B5 (B5302CEA) Review

Advantages and disadvantages of ASUS ExpertBook B5 (B5302CEA) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight design

robust security features

fast charging support

excellent keyboard comfort

efficient performance

average display quality

limited graphics capability

higher price point

noisy under load

Lenovo ThinkPad L15 Gen 3 (21C3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

decent connectivity options

mediocre display quality

heavier design

limited graphics performance

higher price point

Laptop Comparison and Tests

Difference between ASUS ExpertBook B5 (B5302CEA) and Lenovo ThinkPad L15 Gen 3 (21C3)
83 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ExpertBook B5 (B5302CEA) vs. Lenovo ThinkPad L15 Gen 3 (21C3) Comparison Chart
DESIGN AND DIMENSIONS ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.9 cm x 21.06 cm x 1.69 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.1 kg 1.76 kg
Case Material Aluminum, magnesium alloy Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Star black Thunder black
DISPLAY ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Screen Size (Type) 13.3" 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, WideView, 78% screen-to-body ratio Anti-glare, 170° viewing angle
PROCESSOR ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
CPU Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.2 GHz 4.4 GHz
Number of Cores Quad-Core 10-core
Cache 8 MB 12 MB
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) Integrated memory controller
MEMORY ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
RAM 8 GB (provided memory is soldered) 8 GB (2 x 4 GB)
Max RAM Supported 40 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 2
Empty Slots 1 0
STORAGE ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
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 - 720p Yes - 1080p
Camera Features Privacy shutter Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio, Dolby Voice
Audio Features Smart Amp -
COMMUNICATIONS ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 66 Wh 57 Wh
AC ADAPTER ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 19 V, 3.42 A 65 Watt
INPUT ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Type Keyboard, NumberPad Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight - Yes
Features Chiclet keyboard Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Slots 2 x M.2 (PCI Express 3.0 x4) (1 free) -
Interfaces HDMI
LAN (on supplied adapter)
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
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
HDMI
LAN
Memory Card Reader - Yes (microSD)
SOFTWARE ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Operating System (OS) Windows 10 Pro Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English
MISCELLANEOUS ASUS ExpertBook B5 (B5302CEA) Lenovo ThinkPad L15 Gen 3 (21C3)
Included Accessories USB-C power adapter, Micro HDMI to LAN adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features System password, hard drive password, MIL-STD-810H tested 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
Repairability Index 7.3 (out of 10) -
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Model Number EG0391R -
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