Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS Zenbook S 13 OLED (UX5304VA). 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.
Advantages and disadvantages of Lenovo ThinkPad E15 Gen 4 (21ED) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
affordable price
average display quality
limited graphics power
moderate battery life
noisy under load
Advantages and disadvantages of ASUS Zenbook S 13 OLED (UX5304VA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
lightweight and portable
powerful amd processor
fast ssd storage
good battery life
limited port selection
higher price point
no dedicated gpu
average webcam quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 29.62 cm x 21.63 cm x 1.18 cm |
| Weight | 1.78 kg | 1 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Aluminum, magnesium-aluminium |
| Colour | Black | Basalt grey |
| DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 13.3" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 550 cd/m² |
| Colour Gamut | - | 100% DCI-P3 |
| Colour Support | - | 1.07 billion colours |
| Features | Anti-glare, 170° viewing angle | Glossy, Low Blue Light technology, Pantone Validated, HDR 500 True Black, 85% screen-to-body ratio, 0.2 ms response rate |
| PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Core i7 (13th Gen) 1355U / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 5 GHz |
| Number of Cores | 6-core | 10-core |
| Cache | L3 - 16 MB | 12 MB |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | 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 - Full HD |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | IR camera, Windows Hello |
| 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 | Harman-branded | Output: Smart Amp; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Technology | Lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 63 Wh |
| Battery Life | Up to 16.5 hours | Up to 14 hours |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| 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 E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| 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 | Chiclet keyboard, ASUS ErgoSense, 1.1mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
USB 3.2 Gen 2 2 x Thunderbolt 4 (supports DisplayPort) (Power Delivery) HDMI 2.1 Headphone/microphone combo jack |
| SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, ScreenXpert, Microsoft 365 (1 month trial), ASUS GlideX |
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | ASUS Zenbook S 13 OLED (UX5304VA) |
|---|
| - | 100 % - plastic-free | |
| Included Accessories | USB-C power adapter | USB-C power adapter |
| Integrated Options | - | Ambient light sensor, ambient colour sensor |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password | Fast charging, halogen free, MIL-STD-810H tested, Cortana support |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | RoHS, REACH, SGS Eye Care Display Certification, TUV Rheinland Low Blue Light (Hardware Solution) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Carbon Footprint | - | 213 kg carbon emissions |
| Product Recycled Content | - | Post-consumer recycled plastic, post-industrial recycled magnesium-aluminium alloy, ocean-bound plastics |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
Limited warranty - 1 year - pick-up and return |
| Model Number | - | NQ039W |
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