ASUS ExpertBook B1 (B1502CG) vs. Lenovo ThinkPad Z13 Gen 1 (21D3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ExpertBook B1 (B1502CG) and Lenovo ThinkPad Z13 Gen 1 (21D3). 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 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

Lenovo ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

Laptop Comparison and Tests

Difference between ASUS ExpertBook B1 (B1502CG) and Lenovo ThinkPad Z13 Gen 1 (21D3)
82 % - Design
75 % - Display
65 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ExpertBook B1 (B1502CG) vs. Lenovo ThinkPad Z13 Gen 1 (21D3) Comparison Chart
DESIGN AND DIMENSIONS ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.16 cm x 23.3 cm x 1.99 cm 29.44 cm x 19.96 cm x 1.399 cm
Weight 1.69 kg 1.26 kg
Case Material Plastic Aluminium (top), aluminium (bottom)
Colour Star black Black (bottom), arctic grey (top)
DISPLAY ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Screen Size (Type) 15.6" 13.3" OLED
Touchscreen - Yes (10-point multi-touch)
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1800 (2.8K)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 500 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Features Anti-glare, 83% screen-to-body ratio Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio
PROCESSOR ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
CPU Intel Core i3 N305 AMD Ryzen 7 Pro 6850U / 2.7 GHz
Max Turbo Speed 3.8 GHz 4.7 GHz
Number of Cores 8-core 8-core
Cache 6 MB L3 - 16 MB
Features Intel Smart Cache Integrated memory controller
MEMORY ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
RAM 8 GB (1 x 8 GB) 32 GB (provided memory is soldered)
Max RAM Supported 40 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed - 6400 MHz
Rated Speed - 6400 MHz
Form Factor SO-DIMM 260-pin -
STORAGE ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Main Storage Size (HDD/SSD) 128 GB SSD - UFS 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory
AUDIO & VIDEO ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon 680M
Max Monitors Supported - 2 external monitor(s)
Camera Yes - HD Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello Windows Hello, fixed focus, e-camera shutter, Discrete IR
Sound Speaker, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3306
Compliant Standards - High Definition Audio, Dolby Atmos
Audio Features Output: Audio by Dirac Input: Dolby Voice, 360° far-field
COMMUNICATIONS ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.3 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Qualcomm NFA725A
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Technology 3-cell Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 42 Wh 51.5 Wh
AC ADAPTER ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 20 V, 3.25 A 65 Watt
INPUT ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, chiclet keyboard, 1.4mm travel distance Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad
CONNECTIONS & EXPANSIONS ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Interfaces 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
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
SOFTWARE ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Operating System (OS) Windows 11 Pro Education Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Microsoft 365 (1 month trial) -
MISCELLANEOUS ASUS ExpertBook B1 (B1502CG) Lenovo ThinkPad Z13 Gen 1 (21D3)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, face recognition Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Hard drive password, MIL-STD-810H tested, BIOS protection Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards RoHS, REACH, TCO Certified 9.0, FSC Mix RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0
Carbon Footprint - 216 kg carbon emissions (EU)
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Model Number BQI381XA -
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