Side by side comparison and review of ASUS ROG Zephyrus Duo 16 (GX650PY) 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 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
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 ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 26.6 cm x 2.97 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 2.67 kg | 1.55 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Off black | Silver |
| DISPLAY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 16" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | Mini LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQXGA) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 240 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 1100 cd/m² | 300 cd/m² |
| Colour Gamut | 100% DCI-P3 | - |
| Features | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 | Anti-glare |
| PROCESSOR | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | AMD Ryzen 9 7945HX / 2.5 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 5.4 GHz | 3.4 GHz |
| Number of Cores | 16-core | Quad-Core |
| Cache | L3 - 64 MB | 6 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 32 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 4090 / AMD Radeon 610M | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | 16 GB GDDR6 SDRAM | 2 GB GDDR5 SDRAM |
| Video System Features | ROG Boost, Dynamic Boost, MUX Switch | - |
| Gaming | Yes | - |
| Camera | Yes - 1080p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | 30 frames per second | Fixed focus |
| Sound | Six speakers, 3-microphone array | Stereo speakers, dual array microphone |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Audio Premium |
| Audio Features | Output: Smart Amplification technology; Input: AI noise cancelling | Output: JBL |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | 2.5 Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 55 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 330 Watt, 19.5 V, 16.9 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, NumberPad, ScreenPad Plus | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | 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) |
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 | Yes (microSD, microSDXC UHS-II) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | ASUS ROG Zephyrus Duo 16 (GX650PY) | 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 ROG Zephyrus Duo 16 (GX650PY) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | Power adapter, palm rest | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Fingerprint reader |
| Features | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans | Administrator password, power-on password |
| Compliant Standards | TUV Rheinland Low Blue Light Certification | RoHS |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | NM010W | - |
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