ASUS VivoBook 14 (X420UA) vs. ASUS Zenbook 15 OLED (UM3504DA)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS VivoBook 14 (X420UA) 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.

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 ASUS VivoBook 14 (X420UA) and ASUS Zenbook 15 OLED (UM3504DA)
85 % - Design
82 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS VivoBook 14 (X420UA) vs. ASUS Zenbook 15 OLED (UM3504DA) Comparison Chart
DESIGN AND DIMENSIONS ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.24 cm x 21 cm x 1.77 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 1.4 kg 1.4 kg
Case Material - Aluminum
Colour Transparent silver Ponder blue
DISPLAY ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Screen Size (Type) 14" 15.6" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1620 (2.8K)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 200 cd/m² 600 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, NanoEdge display NanoEdge display, Pantone Validated, 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black, VESA DisplayHDR
PROCESSOR ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
CPU Intel Core i3 (7th Gen) 7020U / 2.3 GHz AMD Ryzen 7 7735U / 2.7 GHz
Max Turbo Speed - 4.75 GHz
Number of Cores Dual-Core 8-core
Cache 3 MB L3 - 16 MB
64-bit Computing Yes -
MEMORY ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
RAM 4 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR3 SDRAM LPDDR5 SDRAM
Rated Speed 2133 MHz -
STORAGE ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 SATA 6Gb/s 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Graphics Processor (GPU) Intel HD Graphics 620 AMD Radeon 680M
Camera Yes - HD Yes - Full HD
Camera Features - IR camera, Windows Hello, ASUS AiSense Camera
Sound Stereo speakers, array microphone Harman/kardon stereo speakers, array microphone
Compliant Standards - Dolby Atmos
Audio Features ASUS SonicMaster Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Features - Single stream (1x1)
BATTERY ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Technology 2-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 38 Wh 67 Wh
AC ADAPTER ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 65 Watt, 20 V, 3.25 A
INPUT ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight - Yes
Features - Spill-resistant, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Interfaces Headphone/microphone combo jack
USB-C 3.1 Gen 1
USB 3.1 Gen 1
USB 2.0
HDMI
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
Memory Card Reader Yes (microSD) -
SOFTWARE ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Operating System (OS) Windows 10 Home 64-bit Edition in S mode Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS ASUS VivoBook 14 (X420UA) ASUS Zenbook 15 OLED (UM3504DA)
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Trusted Platform Module (TPM 2.0) Security Chip
Features System password, ASUS Battery Health charging technology MIL-STD-810H tested, Cortana support, ASUS Antimicrobial Guard Plus
Compliant Standards - RoHS, REACH, ISO 22196, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, ISO 21702
SAR Value 0.286 W/kg (body), 0.286 W/kg (limb) -
Max Operating Temperature - 49 °C
Min Operating Temperature - -37 °C
Humidity Range Operating - 95% RH
Model Number EK019T NX015W
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