Side by side comparison and review of Lenovo IdeaPad S540-15IML (81NG) and ASUS ROG Zephyrus Duo 16 (GX650PY). 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 ROG Zephyrus Duo 16 (GX650PY) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-resolution main display
ample storage options
advanced cooling system
high price point
bulkier than competitors
average battery life
limited port selection
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.69 cm | 35.5 cm x 26.6 cm x 2.97 cm |
| Weight | 1.95 kg | 2.67 kg |
| Case Material | Aluminum, glass | - |
| Colour | Mineral grey | Off black |
| DISPLAY | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" |
|---|---|---|
| LCD Backlight Technology | LED backlight | Mini LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | - | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 1100 cd/m² |
| Colour Gamut | 72% | 100% DCI-P3 |
| Features | Glossy, glass cover | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 |
| PROCESSOR | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | AMD Ryzen 9 7945HX / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 5.4 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | 6 MB | L3 - 64 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 32 GB |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 4090 / AMD Radeon 610M |
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost, MUX Switch |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - 1080p |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Six speakers, 3-microphone array |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | - | Output: Smart Amplification technology; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | 2.5 Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 90 Wh |
| Battery Life | Up to 15 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 330 Watt, 19.5 V, 16.9 A |
| INPUT | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| 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-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD, microSDXC UHS-II) |
| SOFTWARE | Lenovo IdeaPad S540-15IML (81NG) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| 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 ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Included Accessories | Power adapter | Power adapter, palm rest |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | TUV Rheinland Low Blue Light Certification |
| SAR Value | 1.81 W/kg (body), 1.81 W/kg (limb) | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | NM010W |
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