Asus ROG Zephyrus G16 (2025) GU605 vs Strix G18 (2025) G815
64
out of 100
VS
59
out of 100
Please select specific configurations for the laptops to get a more accurate comparative review
Review
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Portability
Design, materials, durability and usability
Pick the usage scenario that best matches your needs
Value for money (Beta)
Key Differences
Advantages of the Asus ROG Zephyrus G16 (2025) GU605
- Significantly easier to carry: weighs 1470 grams less (around 3.24 lbs)
- Can run popular games at about 76-104% higher FPS
- Performs significantly better (up to 61%) in 3DMark Steel Nomad Lite
- Thinner bezels and 8% higher screen-to-body ratio
- Much smaller footprint: 27% more compact case (135 vs 184.3 square inches)
Advantages of the Asus ROG Strix G18 (2025) G815
- Around 2x better multi-core CPU performance in the Cinebench 2024 test
- Includes an old-school USB-A port
- User-upgradable RAM (up to 64GB)
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.95 kg (4.3 lbs) | 3.42 kg (7.54 lbs) |
| Dimensions | 354 x 246 x 14.9-17.4 mm 13.94 x 9.69 x 0.59-0.69 inches |
399 x 298 x 23.5-32 mm 15.71 x 11.73 x 0.93-1.26 inches |
| Area | 871 cm2 (135.1 inches2) | 1189 cm2 (184.3 inches2) |
| Screen-to-body ratio | ~85.2% | ~79% |
| Side bezels | 4.7 mm | 5.7 mm |
| Colors | White, Black | Black |
| Material | Aluminum | Plastic |
| Transformer | No | No |
| Opening angle | 130° | 130° |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | Yes | Yes |
| Liquid metal | Yes | Yes |
| Number of fans | 3 | 3 |
| Noise level (max. load) | 68 dB | 49.7 dB |
Display
| Size | 16 inches | 18 inches |
| Type | OLED | IPS LCD |
| Refresh rate | 240 Hz | 240 Hz |
| PPI | 189 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| Resolution | 2560 x 1600 pixels | 2560 x 1600 pixels |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Sync technology | G-Sync | G-Sync |
| Touchscreen | No | No |
| Coating | Glossy | Matte |
| Ambient light sensor | - | No |
Screen space comparison
ROG Strix G18 (2025) G815
18″ (16:10 ratio) = 145.6 in2
ROG Zephyrus G16 (2025) GU605
16″ (16:10 ratio) = 115.1 in2
~26% more screen space
| Contrast | 1000000:1 | 1455:1 |
| sRGB color space | 100% | 100% |
| Adobe RGB profile | 98.1% | 87.7% |
| DCI-P3 color gamut | 100% | 100% |
| Response time | 1 ms | 3 ms |
Max. brightness
Battery
Capacity
| Battery type | Li-Ion | Li-Ion |
| Replaceable | No | No |
| Fast charging | Yes | Yes |
| Charging via USB (Power Delivery) | Yes | Yes, 100 W |
| Charging port position | Left, Right | Left |
| Charge power | 240 W | 280 / 380 W |
| Weight of AC adapter | 778 grams | 791 grams |
CPU
CPU name
| Base frequency | 2.2 GHz | 2.7 GHz |
| Turbo frequency | 5.2 GHz | 5.4 GHz |
| Cores | 16 (8P + 8E) | 24 (8P + 16E) |
| Threads | 24 | 24 |
| L3 Cache | 30 MB | 36 MB |
| Integrated GPU | Intel UHD Graphics (16EU) | Arc Graphics (4-Cores) |
| Fabrication process | 10 nm | 3 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)
Graphics Card
GPU name
| TGP | 115 W | - |
| Nvidia Optimus | MUX | MUX |
| Type | Dedicated | Dedicated |
| Fabrication process | 4 nm | 5 nm |
| FLOPS | 18.4 TFLOPS | 7.7-13.6 TFLOPS |
| Memory size | 8 GB | 8 GB |
| Memory type | GDDR7 | GDDR7 |
| Memory bus | 128 bit | 128 bit |
| Memory speed | ~24 Gbps | ~24 Gbps |
| Shading units (cores) | 3328 | 2560 |
| Texture mapping units (TMUs) | 104 | 80 |
| Raster operations pipelines (ROPs) | 48 | 32 |
| GPU performance | 18.4 TFLOPS | 7.7-13.6 TFLOPS |
GPU Benchmarks
Steel Nomad Lite Score
| Blender GPU | 3684 | 2332 |
| Solar Bay | 54324 | 33487 |
Expected FPS based on average performance across 9 popular games. Details
RAM
RAM size
| Channels | 2x8 GB | 2x8 GB |
| Clock | 7467 MHz | 5600 MHz |
| Type | LPDDR5X | DDR5 |
| Upgradable | No | Yes |
| Total slots | - | 2 |
| Max. ram size | - | 64 GB |
Storage
Storage size
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Storage type | SSD (M2) | SSD (M2) |
| Channels | 1x1024 GB | 1x1024 GB |
| Upgradable | Yes | Yes |
| Total slots | 2 | 2 |
| NVMe | Yes | Yes |
Sound
| Speakers | 2.4 (2 tweeters and 4 woofers) | 2.0 |
| Power | 6x2W | 2x2W |
| Dolby Atmos | Yes | Yes |
| Loudness | ~80 dB | ~83.3 dB |
| Microphones | 3 | 2 |
Connectivity
| Wi-Fi standard | v7 | v7 |
| Bluetooth | v5.4 | v5.4 |
| Fingerprint | No | No |
| Infrared sensor | Yes | Yes |
| Optical drive | No | No |
| Webcam | Above the display | Above the display |
| Webcam resolution | 1920 x 1080 | 1920 x 1080 |
| USB-A | 2x USB 3.2 | 3x USB 3.2 |
| USB Type-C | 2x USB 4.0 | 2x USB 4.0 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 5 |
| HDMI | 1x HDMI 2.1 | 1x HDMI 2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| Audio jack (3.5 mm) | Yes | Yes |
| Ethernet (RJ45) | No | Yes |
| SD card reader | Yes | No |
| Proprietary charging port | Yes | Yes |
Input
| Keyboard type | Island | Island |
| Numpad | No | Yes |
| Backlight | Yes | Yes |
| Key travel | 1.7 mm | 1.7 mm |
| Size | - | 13.0 x 8.5 cm |
| Surface | Glass | Glass |
| Windows Precision | Yes | Yes |
Further details
Notes on ROG Strix G18 (2025) G815:
- The laptop is equipped with DDR5 RAM at 5600 MHz but supports an upgrade to DDR5 6400 MHz
- The G815LP-IS96 model features a single Thunderbolt 4 and USB 3.2 port, while others have two Thunderbolt 5.0 and USB 4.0 ports.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.
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