In depth comparison and review of Lenovo ThinkPad T14 Gen 4 (21HD) 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.
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21HD) 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
efficient performance
heavier than competitors
average display brightness
limited color options
higher price point
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 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 | 1.36 kg | 1.4 kg |
| Case Material | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) | Aluminum |
| Colour | Thunder black | Ponder blue |
| DISPLAY | Lenovo ThinkPad T14 Gen 4 (21HD) | 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 | 300 cd/m² | 600 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Colour Support | - | 1.07 billion colours |
| Features | Anti-glare | NanoEdge display, Pantone Validated, 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black, VESA DisplayHDR |
| PROCESSOR | Lenovo ThinkPad T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz | AMD Ryzen 7 7735U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.75 GHz |
| Number of Cores | 10-core | 8-core |
| Cache | 12 MB | L3 - 16 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 5200 MHz | - |
| Rated Speed | 5200 MHz | - |
| Form Factor | SO-DIMM 262-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| 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 T14 Gen 4 (21HD) | 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, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | Input: Dolby Voice, 360° far-field | Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 4 (21HD) | 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 | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Single stream (1x1) |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| Technology | Lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 67 Wh |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 4 (21HD) | 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 T14 Gen 4 (21HD) | 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 T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN 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 T14 Gen 4 (21HD) | ASUS Zenbook 15 OLED (UM3504DA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | Glance by Mirametrix | MyASUS, ScreenXpert, GlideX |
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 4 (21HD) | 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, smart card 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, Firmware Resiliency 3.0, 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 |
| 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 |
- |
| Model Number | - | NX015W |
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