Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS ExpertBook B9 OLED (B9403CVA)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS ExpertBook B9 OLED (B9403CVA). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkPad X13 Gen 4 (21EX) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 4 (21EX) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive security features

good battery life

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

ASUS ExpertBook B9 OLED (B9403CVA) Review

Advantages and disadvantages of ASUS ExpertBook B9 OLED (B9403CVA) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

impressive oled display

fast performance specs

robust security features

long battery life

higher price point

limited graphics power

no ethernet port

scarce color accuracy

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS ExpertBook B9 OLED (B9403CVA)
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
83 % - Design
87 % - Display
86 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS ExpertBook B9 OLED (B9403CVA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Product Type Notebook Notebook
Dimensions (WxDxH) 30.17 cm x 21.48 cm x 1.595 cm 31.1 cm x 21.5 cm x 1.57 cm
Weight 1.09 kg 990 g
Case Material Aluminium (bottom), carbon fibre hybrid (top) Magnesium-lithium alloy
Colour Deep black Star black
DISPLAY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Screen Size (Type) 13.3" - IPS 14" OLED
Screen Resolution 1920 x 1200 (WUXGA) 2880 x 1800 (WQXGA+)
V-Sync Rate at Max Res. - 90 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 400 cd/m²
Colour Gamut 100% sRGB 100% sRGB
Features Anti-glare 90% screen-to-body ratio
PROCESSOR Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz Intel Core i7 (13th Gen) 1355U / 1.8 GHz
Max Turbo Speed 4.6 GHz 5.1 GHz
Number of Cores 10-core 10-core
Cache 12 MB L3 - 12 MB
Platform Technology Intel Evo -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
RAM 16 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR5 SDRAM
Speed 4800 MHz -
Rated Speed 6400 MHz -
STORAGE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
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) Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, fixed focus Privacy shutter, IR camera, Windows Hello
Sound Stereo speakers, dual array microphone Dual speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features Input: Dolby Voice, 360° far-field Output: Smart Amp; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6E AX 211 -
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 54.7 Wh 63 Wh
AC ADAPTER Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
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 X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Type Keyboard, TrackPoint, UltraNav Keyboard, NumberPad 2.0
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 X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Slots - 2 x M.2 (PCI Express 4.0 x4 / SATA) (1 free)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI 2.1 (4K support)
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
HDMI
Micro-HDMI
Headphone/microphone combo jack
LAN (on supplied adapter)
SOFTWARE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite McAfee, MyASUS, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS ExpertBook B9 OLED (B9403CVA)
Included Accessories USB-C slim power adapter USB-C power adapter, Micro HDMI to LAN 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
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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication Smart Cooling Technology, MIL-STD-810H tested, BIOS protection
Compliant Standards RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 RoHS, REACH, Energy Star 8.0, FSC Mix
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 1 year - on-site - response time: next business day
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Model Number - KMi711X
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