Lenovo ThinkPad X1 Carbon Gen 11 (21HN) vs. ASUS Zenbook 15 OLED (UM3504DA)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad X1 Carbon Gen 11 (21HN) and ASUS Zenbook 15 OLED (UM3504DA). 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 X1 Carbon Gen 11 (21HN) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 11 (21HN) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

robust build quality

excellent keyboard feel

impressive battery life

high-resolution display

high price point

limited graphics performance

fewer ports available

average webcam quality

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 X1 Carbon Gen 11 (21HN) and ASUS Zenbook 15 OLED (UM3504DA)
81 % - Design
85 % - Display
90 % - Performance
85 % - Connectivity
85 % - Battery
85 % - Design
82 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Carbon Gen 11 (21HN) vs. ASUS Zenbook 15 OLED (UM3504DA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.56 cm x 22.25 cm x 1.536 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 1.12 kg 1.4 kg
Case Material Aluminium (bottom), carbon fibre (top) Aluminum
Colour Deep black paint Ponder blue
DISPLAY Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
Screen Size (Type) 14" - IPS 15.6" OLED
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 400 cd/m² 600 cd/m²
Colour Gamut 100% sRGB 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, Low Power, Eyesafe technology NanoEdge display, Pantone Validated, 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black, VESA DisplayHDR
PROCESSOR Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
CPU Intel Core i7 (13th Gen) 1365U / 1.8 GHz AMD Ryzen 7 7735U / 2.7 GHz
Max Turbo Speed 5.2 GHz 4.75 GHz
Number of Cores 10-core 8-core
Cache 12 MB L3 - 16 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
RAM 16 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 X1 Carbon Gen 11 (21HN) 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 X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 680M
Max Monitors Supported 3 external monitor(s) -
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1080p Yes - Full HD
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera IR camera, Windows Hello, ASUS AiSense Camera
Sound Stereo speakers, two tweeters, two woofers, quad array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos Dolby Atmos
Audio Features Input: Dolby Voice, 360° far-field Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X1 Carbon Gen 11 (21HN) 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 Intel Wi-Fi 6E AX 211 -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
Technology 4-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 57 Wh 67 Wh
AC ADAPTER Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
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 X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
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, glass touchpad, air intake key design Spill-resistant, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Carbon Gen 11 (21HN) ASUS Zenbook 15 OLED (UM3504DA)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, 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 X1 Carbon Gen 11 (21HN) 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 X1 Carbon Gen 11 (21HN) 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, 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, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication MIL-STD-810H tested, Cortana support, ASUS Antimicrobial Guard Plus
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 RoHS, REACH, ISO 22196, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, ISO 21702
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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