Lenovo ThinkPad T14s Gen 3 (21BS) vs. ASUS Zenbook 15 OLED (UM3504DA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T14s Gen 3 (21BS) and ASUS Zenbook 15 OLED (UM3504DA). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkPad T14s Gen 3 (21BS) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 3 (21BS) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

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 T14s Gen 3 (21BS) and ASUS Zenbook 15 OLED (UM3504DA)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
85 % - Design
82 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14s Gen 3 (21BS) vs. ASUS Zenbook 15 OLED (UM3504DA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.75 cm x 22.69 cm x 1.66 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 1.21 kg 1.4 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Aluminum
Colour Thunder black Ponder blue
DISPLAY Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Screen Size (Type) 14" - 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 400 cd/m² 600 cd/m²
Colour Gamut 100% sRGB 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, 170° viewing angle, 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 T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
CPU Intel Core i7 (12th Gen) 1265U / 1.8 GHz AMD Ryzen 7 7735U / 2.7 GHz
Max Turbo Speed 4.8 GHz 4.75 GHz
Number of Cores 10-core 8-core
Cache 12 MB L3 - 16 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad T14s Gen 3 (21BS) 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 4800 MHz -
Rated Speed 6400 MHz -
STORAGE Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 680M
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - Full HD
Camera Features Privacy shutter, IR camera, Windows Hello, 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 - Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Wireless Bluetooth 5.2, 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 T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Technology 4-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 57 Wh 67 Wh
Battery Life Up to 24 hours -
AC ADAPTER Lenovo ThinkPad T14s Gen 3 (21BS) ASUS Zenbook 15 OLED (UM3504DA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 5 / 9 / 15 / 20 V 65 Watt, 20 V, 3.25 A
INPUT Lenovo ThinkPad T14s Gen 3 (21BS) 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 Spill-resistant, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14s Gen 3 (21BS) 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 2.0 Alt Mode) (Power Delivery 3.0)
HDMI
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 T14s Gen 3 (21BS) 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 T14s Gen 3 (21BS) 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 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, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, 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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