Lenovo ThinkPad E15 Gen 4 (21ED) vs. ASUS ZenBook 14X OLED (UX3404VA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS ZenBook 14X OLED (UX3404VA). 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 E15 Gen 4 (21ED) Review

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

ASUS ZenBook 14X OLED (UX3404VA) Review

Advantages and disadvantages of ASUS ZenBook 14X OLED (UX3404VA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

lightweight and portable

powerful intel processor

fast ssd storage

high-quality build

average battery life

limited port selection

no dedicated gpu

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS ZenBook 14X OLED (UX3404VA)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
87 % - Design
87 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. ASUS ZenBook 14X OLED (UX3404VA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 32.18 cm x 22.56 cm x 1.69 cm
Weight 1.78 kg 1.56 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Aluminum
Colour Black Inkwell grey
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Screen Size (Type) 15.6" - IPS 14.5" OLED
Touchscreen - Yes
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1800 (2.8K)
V-Sync Rate at Max Res. - 120 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, Corning Gorilla glass, HDR (high dynamic range), Pantone Validated, VESA DisplayHDR 500, 89% screen-to-body ratio, 0.2 ms response rate, True Black
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i9 (13th Gen) 13900H / 2.6 GHz
Max Turbo Speed 4.3 GHz 5.4 GHz
Number of Cores 6-core 14-core
Cache L3 - 16 MB L3 - 24 MB
Platform Technology - Intel Evo
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 40 GB 32 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 3200 MHz 4800 MHz
Rated Speed 3200 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
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)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
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 - 1080p
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 Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
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 14X OLED (UX3404VA)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 70 Wh
Battery Life Up to 16.5 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 90 Watt, 20 V, 4.5 A
INPUT Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Type Keyboard, TrackPoint, UltraNav Keyboard, NumberPad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
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
Headphone/microphone combo jack
HDMI 2.1
USB 3.2 Gen 2
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Operating System (OS) Windows 11 Pro - English Windows 11 Home
Software Included - McAfee LiveSafe, MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS ZenBook 14X OLED (UX3404VA)
Included Accessories USB-C power adapter 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 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 ASUS IceCool design, MIL-STD-810H tested, compatible with stylus, Cortana support
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) RoHS, REACH, TUV Rheinland Low Blue Light Certification, SGS Eye Care Display Certification
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
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
-
Model Number - M3099W
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