Lenovo ThinkPad X13 Gen 3 (21CN) vs. ASUS Zenbook 15 OLED (UM3504DA)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad X13 Gen 3 (21CN) and ASUS Zenbook 15 OLED (UM3504DA). 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 3 (21CN) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 3 (21CN) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard experience

impressive security features

good battery life

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

ASUS Zenbook 15 OLED (UM3504DA) Review

Advantages and disadvantages of ASUS Zenbook 15 OLED (UM3504DA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

lightweight and portable

powerful ryzen processor

ample storage options

good battery life

limited port selection

no dedicated gpu

higher price segment

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 3 (21CN) and ASUS Zenbook 15 OLED (UM3504DA)
81 % - Design
78 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
85 % - Design
82 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 3 (21CN) vs. ASUS Zenbook 15 OLED (UM3504DA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.58 cm x 21.756 cm x 1.81 cm 35.38 cm x 22.66 cm x 1.58 cm
Dimensions (WxDxH) / Weight Details - 45.5 cm x 29 cm x 7.3 cm / 3.67 kg
Weight 1.25 kg 1.4 kg
Case Material Polyphenylene sulfide (top), aluminium (bottom) Aluminum
Colour Thunder black Ponder blue
DISPLAY Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Screen Size (Type) 13.3" - IPS 15.6" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1200 (WUXGA) 2880 x 1620 (2.8K)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 300 cd/m² 600 cd/m²
Colour Gamut 72% NTSC 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, 170° viewing angle NanoEdge display, Pantone Validated, 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black, VESA DisplayHDR
PROCESSOR Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz AMD Ryzen 7 7735U / 2.7 GHz
Max Turbo Speed 4.7 GHz 4.75 GHz
Number of Cores 8-core 8-core
Cache L3 - 16 MB L3 - 16 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
RAM 32 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR5 SDRAM
Speed 6400 MHz -
Rated Speed 6400 MHz -
STORAGE Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Graphics Processor (GPU) AMD Radeon 680M AMD Radeon 680M
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 720p Yes - Full HD
Camera Features Privacy shutter, fixed focus IR camera, Windows Hello, ASUS AiSense Camera
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio, Dolby Voice Dolby Atmos
Audio Features 360° far-field microphones Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
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 -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Technology 3-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 41 Wh 67 Wh
AC ADAPTER Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 65 Watt, 20 V, 3.25 A
INPUT Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
HDMI 2.1
Headphone/microphone combo jack
USB-C 4.0 Gen 3/DisplayPort (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1
SOFTWARE Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
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, GlideX
MISCELLANEOUS Lenovo ThinkPad X13 Gen 3 (21CN) ASUS Zenbook 15 OLED (UM3504DA)
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader Trusted Platform Module (TPM 2.0) Security Chip
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, USB FIDO (Fast Identity Online) device integration, certificate based BIOS authentication MIL-STD-810H tested, Cortana support, ASUS Antimicrobial Guard Plus
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, REACH, ISO 22196, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, ISO 21702
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 49 °C
Min Operating Temperature 5 °C -37 °C
Humidity Range Operating 8 - 95% 95% RH
Model Number - NX015W
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