ASUS VivoBook S14 (S435EA) vs. ASUS 14 (X409UA)

Laptop Comparison, Reviews and Tests
ASUS 14 (X409UA)
ASUS 14 (X409UA)

Our Rating: 72 %

In depth comparison and review of ASUS VivoBook S14 (S435EA) and ASUS 14 (X409UA). 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.

ASUS VivoBook S14 (S435EA) Review

Advantages and disadvantages of ASUS VivoBook S14 (S435EA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

lightweight design

fast ssd storage

average display quality

limited graphics performance

no backlit keyboard

fewer usb-c ports

ASUS 14 (X409UA) Review

Advantages and disadvantages of ASUS 14 (X409UA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact design

adequate performance

solid build quality

decent battery life

average display quality

limited storage capacity

no backlit keyboard

mediocre graphics performance

Laptop Comparison and Tests

Difference between ASUS VivoBook S14 (S435EA) and ASUS 14 (X409UA)
85 % - Design
85 % - Display
78 % - Performance
84 % - Connectivity
75 % - Battery
74 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS VivoBook S14 (S435EA) vs. ASUS 14 (X409UA) Comparison Chart
DESIGN AND DIMENSIONS ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.22 cm x 20.4 cm x 1.59 cm 32.5 cm x 21.6 cm x 2.29 cm
Weight 1.3 kg 1.6 kg
Colour Deep green Slate grey
DISPLAY ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Screen Size (Type) 14" 14"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 400 cd/m² -
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, NanoEdge display, 178° viewing angle, IPS-level, 90% screen-to-body ratio Anti-glare
PROCESSOR ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
CPU Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz Intel Core i3 (7th Gen) 7020U / 2.3 GHz
Max Turbo Speed 4.2 GHz -
Number of Cores Quad-Core Dual-Core
Cache 8 MB 3 MB
64-bit Computing - Yes
Platform Technology Intel Evo -
Features Intel Smart Cache -
MEMORY ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
RAM 8 GB (provided memory is soldered) 4 GB (provided memory is soldered)
RAM Type LPDDR4X SDRAM DDR4 SDRAM
Form Factor - SO-DIMM 260-pin
STORAGE ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe - NVM Express (NVMe) 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe)
SSD Cache 32 GB 3D Xpoint (Optane) -
AUDIO & VIDEO ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel HD Graphics 620
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 720p Yes - VGA
Sound Harman/kardon stereo speakers, array microphone Speaker, microphone
Audio Features AI noise cancelling -
COMMUNICATIONS ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac, Bluetooth 4.1
Features Dual stream (2x2) -
BATTERY ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Technology 4-cell Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 67 Wh 42 Wh
AC ADAPTER ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 20 V, 3.25 A 45 Watt, 19 V, 2.37 A
INPUT ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Type Keyboard, touchpad, NumberPad 2.0 Keyboard, touchpad
Keyboard Backlight Yes -
Features Chiclet keyboard, 1.4mm travel distance Chiclet keyboard
CONNECTIONS & EXPANSIONS ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Interfaces Headphone/microphone combo jack
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1
HDMI
USB 2.0
Headphone/microphone combo jack
USB 3.1 Gen 1
2 x USB 2.0
USB-C 3.1 Gen 1
HDMI
LAN
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Operating System (OS) Windows 11 Home Windows 10 Home 64-bit Edition
MISCELLANEOUS ASUS VivoBook S14 (S435EA) ASUS 14 (X409UA)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader -
Features System password -
Compliant Standards TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification -
SAR Value - 0.196 W/kg (body), 0.196 W/kg (limb)
ENERGY STAR Certified Yes -
Model Number HM003T EK035T
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