In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and ASUS ROG Zephyrus Duo 16 (GX650PY). 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 LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) based on its technical characteristics, features, user experience, expert reviews and price level.
exceptionally lightweight design
impressive battery life
crisp full HD display
solid state drive storage
robust build quality
average graphics performance
limited port selection
higher price point
no dedicated GPU
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 | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 35.5 cm x 26.6 cm x 2.97 cm |
| Weight | 1.099 kg | 2.67 kg |
| Colour | White | Off black |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | 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 | - | 1100 cd/m² |
| Colour Gamut | 96% sRGB | 100% DCI-P3 |
| Features | - | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | AMD Ryzen 9 7945HX / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 5.4 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | L3 - 8 MB | L3 - 64 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| RAM | 16 GB | 32 GB |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2400 MHz | - |
| STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | 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 - HD | Yes - 1080p |
| Camera Features | - | 30 frames per second |
| Sound | Stereo speakers, two microphones | Six speakers, 3-microphone array |
| Compliant Standards | DTS Headphone:X | Dolby Atmos |
| Audio Features | - | Output: Smart Amplification technology; Input: AI noise cancelling |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | 10/100 Ethernet | 2.5 Gigabit Ethernet |
| Features | Miracast, dual stream (2x2) | Dual stream (2x2) |
| BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 90 Wh |
| Battery Life | Up to 21.5 hours | - |
| AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 48 Watt | 330 Watt, 19.5 V, 16.9 A |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Scrolling, gesture function, precision touchpad | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Slots | 2 x SSD (1 free) | - |
|---|---|---|
| Interfaces | HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
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 | Yes (microSD) | Yes (microSD, microSDXC UHS-II) |
| SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG On Screen Display 3, LG Reader Mode | - |
| MISCELLANEOUS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Included Accessories | Power adapter | Power adapter, palm rest |
|---|---|---|
| Security | Fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans |
| Compliant Standards | MIL-STD 810G | TUV Rheinland Low Blue Light Certification |
| Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
- |
| Model Number | V.AA78A1 | NM010W |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
