Side by side comparison and review of ASUS VivoBook S 15 OLED (K3502ZA) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 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
Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.98 cm x 23.29 cm x 1.89 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 1.8 kg | 1.55 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Neutral grey | Silver |
| DISPLAY | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 15.6" OLED | 14" - IPS |
|---|---|---|
| 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 | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 100% DCI-P3 | - |
| Colour Support | 1.07 billion colours | - |
| Features | Glossy, NanoEdge display, Pantone Validated, 84% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black | Anti-glare |
| PROCESSOR | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.4 GHz |
| Number of Cores | 14-core | Quad-Core |
| Cache | 24 MB | 6 MB |
| Platform Technology | Intel Evo | - |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 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 | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Privacy shutter | Fixed focus |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | Output: Smart Amp; Input: noise-cancellation technology | Output: JBL |
| COMMUNICATIONS | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 55 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 20 V, 4.5 A | 65 Watt |
| INPUT | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | 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 |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | ASUS VivoBook S 15 OLED (K3502ZA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader | Fingerprint reader |
| Features | System password, ASUS IceCool design, antibacterial, Amazon Alexa Voice Assistant | Administrator password, power-on password |
| Compliant Standards | RoHS, REACH, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, TUV Rheinland Low Blue Light (Hardware Solution) | RoHS |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | L1058W | - |
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