Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS VivoBook 16X (K3605ZV)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS VivoBook 16X (K3605ZV). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

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 VivoBook 16X (K3605ZV) Review

Advantages and disadvantages of ASUS VivoBook 16X (K3605ZV) based on its technical characteristics, features, user experience, expert reviews and price level.

impressive color accuracy

solid build quality

responsive fingerprint sensor

efficient cooling system

competitive price point

average battery life

no thunderbolt support

limited upgrade options

mediocre webcam quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS VivoBook 16X (K3605ZV)
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
85 % - Display
84 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS VivoBook 16X (K3605ZV) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.17 cm x 21.48 cm x 1.595 cm 35.86 cm x 24.91 cm x 1.89 cm
Weight 1.09 kg 1.8 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Aluminum, plastic
Colour Deep black Cool silver
DISPLAY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Screen Size (Type) 13.3" - IPS 16"
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 100% sRGB
Features Anti-glare Anti-glare, IPS-level, 85% screen-to-body ratio
PROCESSOR Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz Intel Core i7 (12th Gen) 12650H
Max Turbo Speed 4.6 GHz 4.7 GHz
Number of Cores 10-core 10-core
Cache 12 MB L3 - 24 MB
Platform Technology Intel Evo -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
RAM 16 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 6400 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Xe Graphics NVIDIA GeForce RTX 4060 / Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Video Memory - 8 GB GDDR6 SDRAM
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, fixed focus Privacy shutter
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: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
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 -
Features Dual stream (2x2) Single stream (1x1)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 54.7 Wh 70 Wh
AC ADAPTER Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 120 Watt, 20 V, 6 A
INPUT Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
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
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
HDMI 2.1
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
Memory Card Reader - Yes (SD 4.0 card reader)
SOFTWARE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Operating System (OS) Windows 11 Pro - English Windows 11 Home
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite McAfee LiveSafe (30 days trial), MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX
MISCELLANEOUS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS VivoBook 16X (K3605ZV)
Included Accessories USB-C slim power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection 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 ASUS IceCool design, MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard
Compliant Standards RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 RoHS, REACH, TUV Rheinland, Energy Star 8.0
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 - N1045W
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