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.
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
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
DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IML (81NG) | ASUS VivoBook S 15 OLED (K3502ZA) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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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) |
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Screen Size (Type) | 15.6" - IPS | 15.6" OLED |
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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) |
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CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
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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) |
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RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
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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) |
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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) |
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AUDIO & VIDEO | Lenovo IdeaPad S540-15IML (81NG) | ASUS VivoBook S 15 OLED (K3502ZA) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
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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) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | M.2 Card | - |
Features | Dual stream (2x2) | Dual stream (2x2) |
BATTERY | Lenovo IdeaPad S540-15IML (81NG) | ASUS VivoBook S 15 OLED (K3502ZA) |
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Technology | Lithium Ion | 3-cell Lithium Ion |
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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) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 90 Watt, 20 V, 4.5 A |
INPUT | Lenovo IdeaPad S540-15IML (81NG) | ASUS VivoBook S 15 OLED (K3502ZA) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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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) |
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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 |
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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) |
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Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
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Software Included | Microsoft Office (30 days trial) | - |
MISCELLANEOUS | Lenovo IdeaPad S540-15IML (81NG) | ASUS VivoBook S 15 OLED (K3502ZA) |
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Included Accessories | Power adapter | Power adapter |
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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 |