In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and ASUS ROG Zephyrus M16 (GU603ZU). 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 M16 (GU603ZU) based on its technical characteristics, features, user experience, expert reviews and price level.
high-resolution display
powerful graphics performance
sleek, lightweight design
fast processing speeds
advanced cooling system
high price point
average battery life
limited port selection
noisy under load
DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 35.5 cm x 24.3 cm x 2.23 cm |
Weight | 1.099 kg | 2 kg |
Colour | White | Eclipse grey |
DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Screen Size (Type) | 15.6" - IPS | 16" |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
V-Sync Rate at Max Res. | - | 165 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | - | 250 cd/m² |
Colour Gamut | 96% sRGB | 100% sRGB |
Features | - | Anti-glare, Adaptive-Sync technology, HDR (high dynamic range), 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, Pantone Validated, IPS-level, Dolby Vision |
PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
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Max Turbo Speed | 4.6 GHz | 4.7 GHz |
Number of Cores | Quad-Core | 14-core |
Cache | L3 - 8 MB | 24 MB |
64-bit Computing | Yes | - |
Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache |
MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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RAM | 16 GB | 16 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | - |
STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Main Storage Size (HDD/SSD) | 512 GB SSD | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 4050 / Intel Iris Xe Graphics |
Video Memory | - | 6 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Optimus, ROG Boost, Dynamic Boost, MUX Switch |
Gaming | - | Yes |
Camera | Yes - HD | Yes - 720p |
Camera Features | - | IR camera, Windows Hello |
Sound | Stereo speakers, two microphones | Two tweeters, two woofers, array microphone |
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 M16 (GU603ZU) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wireless-AC 9560 | - |
Network Interface | 10/100 Ethernet | Gigabit Ethernet |
Features | Miracast, dual stream (2x2) | Dual stream (2x2) |
BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
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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 M16 (GU603ZU) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 48 Watt | 240 Watt, 20 V, 12 A |
INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Scrolling, gesture function, precision touchpad | Chiclet keyboard, 1 RGB zone |
CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Slots | 2 x SSD (1 free) | - |
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Interfaces | HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
Thunderbolt 4 (supports DisplayPort) (Power Delivery) 2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
Memory Card Reader | Yes (microSD) | Yes (microSD, microSDXC UHS-II) |
SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus M16 (GU603ZU) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
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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 M16 (GU603ZU) |
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Included Accessories | Power adapter | Power adapter |
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Security | Fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip |
Security Slot Type | Kensington security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | System password, ASUS Aura Sync technology, ErgoLift |
Compliant Standards | MIL-STD 810G | - |
Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
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Model Number | V.AA78A1 | N3003W |