Lenovo IdeaPad S540-15IML (81NG) vs. ASUS VivoBook 14 (X1404VA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S540-15IML (81NG) and ASUS VivoBook 14 (X1404VA). 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 IdeaPad S540-15IML (81NG) Review

Advantages and disadvantages of Lenovo IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.

sleek aluminum design

sharp full HD display

fast processing speeds

ample storage capacity

good battery life

heavier than competitors

no optical drive

limited port selection

average graphics performance

ASUS VivoBook 14 (X1404VA) Review

Advantages and disadvantages of ASUS VivoBook 14 (X1404VA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact design

decent battery life

solid build quality

fast boot times

average display quality

limited upgrade options

modest graphics performance

no thunderbolt support

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-15IML (81NG) and ASUS VivoBook 14 (X1404VA)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
86 % - Design
75 % - Display
70 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (81NG) vs. ASUS VivoBook 14 (X1404VA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 32.49 cm x 21.39 cm x 1.79 cm
Weight 1.95 kg 1.4 kg
Case Material Aluminum, glass -
Colour Mineral grey Transparent silver
DISPLAY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Screen Size (Type) 15.6" - IPS 14"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut 72% 45% NTSC
Features Glossy, glass cover Anti-glare, NanoEdge display, 82% screen-to-body ratio
PROCESSOR Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.2 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB L3 - 12 MB
64-bit Computing Yes -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 12 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 3200 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel -
Camera Features Privacy shutter Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology
Sound Stereo speakers, dual array microphone Speaker, array microphone
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller M.2 Card -
Features Dual stream (2x2) Single stream (1x1)
BATTERY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Technology Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 70 Wh 42 Wh
Battery Life Up to 15 hours -
AC ADAPTER Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Type Keyboard, touchpad Keyboard, NumberPad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Precision touchpad, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Slots - 1 x PCI Express 4.0 x4 / M.2 2280 (1 free)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
HDMI 1.4
USB 2.0
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Home
Software Included Microsoft Office (30 days trial) MyASUS, ScreenXpert, Microsoft 365 (1 month trial), GlideX
MISCELLANEOUS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook 14 (X1404VA)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge MIL-STD-810H tested, BIOS protection, Cortana support, ASUS Antimicrobial Guard Plus
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH, ISO 22196, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification, ISO 21702
SAR Value 1.81 W/kg (body), 1.81 W/kg (limb) -
Max Operating Temperature - 49 °C
Min Operating Temperature - -37 °C
Humidity Range Operating - 95% RH
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - EB076W
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