Lenovo ThinkPad Z13 Gen 1 (21D3) vs. ASUS VivoBook 15 (X1504ZA)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D3) and ASUS VivoBook 15 (X1504ZA). 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 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

ASUS VivoBook 15 (X1504ZA) Review

Advantages and disadvantages of ASUS VivoBook 15 (X1504ZA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

decent battery life

fast charging support

average display quality

limited graphics performance

no backlit keyboard

fewer USB ports

Laptop Comparison and Tests

Difference between Lenovo ThinkPad Z13 Gen 1 (21D3) and ASUS VivoBook 15 (X1504ZA)
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
75 % - Display
72 % - Performance
75 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad Z13 Gen 1 (21D3) vs. ASUS VivoBook 15 (X1504ZA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 29.44 cm x 19.96 cm x 1.399 cm 35.97 cm x 23.25 cm x 1.79 cm
Weight 1.26 kg 1.7 kg
Case Material Aluminium (top), aluminium (bottom) Plastic
Colour Black (bottom), arctic grey (top) Cool silver
DISPLAY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Screen Size (Type) 13.3" OLED 15.6"
Touchscreen Yes (10-point multi-touch) -
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 500 cd/m² 250 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio Anti-glare
PROCESSOR Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz Intel Core i7 (12th Gen) 1255U / 1.7 GHz
Max Turbo Speed 4.7 GHz 4.7 GHz
Number of Cores 8-core 10-core
Cache L3 - 16 MB L3 - 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
RAM 32 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 6400 MHz -
Rated Speed 6400 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Graphics Processor (GPU) AMD Radeon 680M Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Windows Hello, fixed focus, e-camera shutter, Discrete IR Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology
Sound Stereo speakers, dual array microphone Dual speakers, array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos -
Audio Features Input: Dolby Voice, 360° far-field Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
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 Qualcomm NFA725A -
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Technology 3-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 51.5 Wh 42 Wh
AC ADAPTER Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad Precision touchpad, chiclet keyboard, 1.4mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Interfaces 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1
USB 2.0
HDMI 1.4
SOFTWARE Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Home
Software Included - MyASUS, ScreenXpert, Microsoft 365 (1 month trial), GlideX
MISCELLANEOUS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS VivoBook 15 (X1504ZA)
Included Accessories USB-C power adapter, Lenovo USB-C to Ethernet Adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Features 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 MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard Plus
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 RoHS, REACH, Energy Star 8.0
Carbon Footprint 216 kg carbon emissions (EU) -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
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