In depth comparison and review of Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) and ASUS ROG Zephyrus M15 (GU502LW). 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.
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.715 cm | 36 cm x 25.2 cm x 1.99 cm |
| Weight | 1.8 kg | 1.9 kg |
| Case Material | Aluminum, polycarbonate ABS | Magnesium alloy |
| Colour | Abyss blue | Prism black | Brushed black |
| DISPLAY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | 45% | 100% sRGB, 132.7% sRGB, 95.54% NTSC |
| Features | Anti-glare | Anti-glare, Pantone Validated, 170° horizontal and vertical viewing angle |
| PROCESSOR | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| CPU | Intel Core i3 (8th Gen) 8145U / 2.1 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | 4 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | Integrated memory controller | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2933 MHz |
| Rated Speed | 2400 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Total Capacity | - | 1.024 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 2 x 512 GB SSD M.2 PCIe - NVM Express (NVMe) |
| RAID Level | - | RAID 0 |
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 2070 / Intel UHD Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, 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 Amplification technology |
| VR Ready | - | Yes |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| 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 |
| Compliant Standards | - | Wi-Fi CERTIFIED 6 |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 76 Wh |
| Battery Life | Up to 15 hours | Up to 8.41 hours |
| Battery Run Time | - | Video playback: up to 8.41 hours Web browsing: up to 7.47 hours |
| AC ADAPTER | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 230 Watt, 19.5 V, 11.8 A |
| INPUT | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, N-key rollover |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Interfaces | USB 3.1 Gen 1 USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack USB 3.1 Gen 1 (Always On) |
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 USB 3.2 Gen 2 HDMI LAN Headphone output Microphone input |
|---|---|---|
| Memory Card Reader | 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | Microsoft 365 (30 days trial), Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| 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 | System password, ASUS Aura Sync technology, 65W power delivery |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | - | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | 15IWL 81NE | HC032T |
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