In depth comparison and review of Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) and ASUS ROG Zephyrus S15 (GX502LXS). 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.
Advantages and disadvantages of Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim aluminum design
full hd display
solid keyboard feel
decent battery life
quiet cooling system
average color accuracy
no thunderbolt support
limited upgrade options
mediocre webcam quality
Advantages and disadvantages of ASUS ROG Zephyrus S15 (GX502LXS) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
slim, attractive design
effective cooling system
good audio quality
high price point
average battery life
limited port selection
no webcam included
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.91 cm | 36 cm x 25.2 cm x 1.89 cm |
| Weight | 1.8 kg | 2 kg |
| Case Material | Aluminum | - |
| Colour | Mineral grey | Brushed black |
| DISPLAY | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Colour Gamut | 72% | 100% sRGB, 75.36% Adobe RGB |
| Features | Anti-glare | Matte, NVIDIA G-SYNC compatible, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 6 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 / Intel UHD Graphics 620 | NVIDIA GeForce RTX 2080 SUPER |
| Video Memory | 4 GB GDDR5 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | Max-Q design | Max-Q design |
| Gaming | - | Yes |
| Camera | Yes - 720p | - |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 76 Wh |
| Battery Life | Up to 12 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 HDMI LAN USB 3.2 Gen 2 Headphone output Microphone input |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IWL GTX (Lenovo IdeaPad S540) | ASUS ROG Zephyrus S15 (GX502LXS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | ASUS Aura Sync technology, Aura RGB lighting, 65W power delivery |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | - | 0.58 W/kg (body), 0.58 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | 15IWL GTX 81SW | HF049T |
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