In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and ASUS ROG Zephyrus G16 (GU603ZV). 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 G16 (GU603ZV) based on its technical characteristics, features, user experience, expert reviews and price level.
high refresh rate display
powerful gaming performance
sleek, lightweight design
good thermal management
efficient multitasking capabilities
above-average price
limited port selection
average battery life
noisy under load
| DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 35.5 cm x 24.3 cm x 2.29 cm |
| Weight | 1.099 kg | 2 kg |
| Colour | White | Eclipse grey |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" - IPS |
|---|---|---|
| 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 |
| Colour Gamut | 96% sRGB | 100% sRGB |
| Features | - | Anti-glare, NVIDIA G-SYNC compatible, Wide Colour Gamut, HDR (high dynamic range), Pantone Validated, Dolby Vision |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| 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 G16 (GU603ZV) |
|---|
| RAM | 16 GB | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus |
| 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, Hi-Res Audio; Input: AI noise cancelling |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| 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 G16 (GU603ZV) |
|---|
| 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 G16 (GU603ZV) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 48 Watt | 240 Watt, 20 V, 12 A |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Scrolling, gesture function, precision touchpad | Chiclet keyboard, 1.7mm travel distance |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| 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 |
HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack 2 x USB 3.2 Gen 2 |
| Memory Card Reader | Yes (microSD) | Yes (microSDXC UHS-II) |
| SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| 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 | Armoury Crate |
| MISCELLANEOUS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | ASUS ROG Zephyrus G16 (GU603ZV) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| 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 | ASUS Aura Sync technology, ErgoLift, BIOS protection, ROG Intelligent Cooling, Arc Flow Fans, 0dB Ambient Cooling |
| Compliant Standards | MIL-STD 810G | - |
| Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
- |
| Model Number | V.AA78A1 | N3009W |
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