Lenovo IdeaPad S540-15IML (81NG) vs. ASUS VivoBook S 15 OLED (K3502ZA)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo IdeaPad S540-15IML (81NG) and ASUS VivoBook S 15 OLED (K3502ZA). 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.

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 S 15 OLED (K3502ZA) Review

Advantages and disadvantages of ASUS VivoBook S 15 OLED (K3502ZA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

lightweight design

fast ssd storage

good processor performance

competitive price point

average battery life

limited port selection

no dedicated gpu

basic audio quality

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-15IML (81NG) and ASUS VivoBook S 15 OLED (K3502ZA)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
82 % - Design
85 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (81NG) vs. ASUS VivoBook S 15 OLED (K3502ZA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 35.98 cm x 23.29 cm x 1.89 cm
Weight 1.95 kg 1.8 kg
Case Material Aluminum, glass -
Colour Mineral grey Neutral grey
DISPLAY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Screen Size (Type) 15.6" - IPS 15.6" OLED
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 400 cd/m²
Colour Gamut 72% 100% DCI-P3
Colour Support - 1.07 billion colours
Features Glossy, glass cover Glossy, NanoEdge display, Pantone Validated, 84% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black
PROCESSOR Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.2 GHz 4.7 GHz
Number of Cores Quad-Core 14-core
Cache 6 MB 24 MB
64-bit Computing Yes -
Platform Technology - Intel Evo
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 12 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz -
Rated Speed 2400 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 S 15 OLED (K3502ZA)
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 S 15 OLED (K3502ZA)
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
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: Smart Amp; Input: noise-cancellation technology
COMMUNICATIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.0, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Technology Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 70 Wh 70 Wh
Battery Life Up to 15 hours -
AC ADAPTER Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 90 Watt, 20 V, 4.5 A
INPUT Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Headphone/microphone combo jack
USB 2.0
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1
HDMI
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Home
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo IdeaPad S540-15IML (81NG) ASUS VivoBook S 15 OLED (K3502ZA)
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, fingerprint reader
Features Administrator password, hard drive password, power-on password, RapidCharge System password, ASUS IceCool design, antibacterial, Amazon Alexa Voice Assistant
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, TUV Rheinland Low Blue Light (Hardware Solution)
SAR Value 1.81 W/kg (body), 1.81 W/kg (limb) -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - L1058W
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