Asus ROG Strix G18 (2025) G815 vs Lenovo Legion 9i Gen 8
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Compared 2 laptops: Asus ROG Strix G18 (2025) G815, vs Lenovo Legion 9i Gen 8. Below are specs, tests, pros and cons for each device
Versions
| Storage | - 1024 GB - 2048 GB - 4096 GB |
- 512 GB - 1024 GB - 2048 GB |
| RAM | - 16 GB - 32 GB - 64 GB |
- 32 GB - 64 GB |
Review
System Performance
System and app performance
Gaming Performance
Graphics in popular 3D games
Display
Color accuracy, sharpness & brightness
Battery Life
Estimated real-world battery life
Connectivity
Ports, webcam, and interfaces
Case & Design
Appearance, materials, durability, comfort
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonBody
| Weight | 3.42 kg | 2.55 kg |
| Pixel size | 399x298x23.5-32 mm | 357.7x277.7x18.99-22.7 mm |
| Area | 1189 cm² | 993 cm² |
| Screen-to-body ratio | 79 % | 74.7 % |
| Side bezels | 5.7 mm | 6.5 mm |
| Colors | Black | Black |
| Material | - Middle: Plastic - Bottom: Plastic |
Aluminum |
| Transformer | No | No |
| Cooling type | Active | Active |
| Vapor chamber | Yes | No |
| Liquid metal | Yes | Yes |
| Cooler count | 3 | 3 |
| Cooler speed | n/a | 5400 RPM |
| Noise Level | n/a | 54.8 dB |
Display
| Diagonal | 18 in | 16 in |
| Type | IPS LCD | Mini LED |
| Refresh rate | 240 Hz | 165 Hz |
| Pixel density | 168 ppi | 236 ppi |
| Aspect ratio | 16:10 | 16:10 |
| Resolution | 2560x1600 pixels | 3200x2000 pixels |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Sync Tech | G-Sync | G-Sync |
| Touchscreen | No | No |
| Coating | Matte | Matte |
| Light sensor | No | No |
| Contrast | n/a | 16873:1 |
| DCI-P3 gamut | 100 % | 100 % |
| sRGB gamut | n/a | 99.9 % |
| Adobe RGB gamut | n/a | 100 % |
| Response time | 3 ms | 3 ms |
Battery
| Capacity | 90 Wh | 99.9 Wh |
| Full Charge Time | n/a | 1:20 h |
| Battery Type | Li-ion | Li-Po |
| Removable | No | No |
| Fast Charging | Yes | Yes |
| USB PD | Yes, 100 W | Yes |
| Charge Port Location | Left | Bottom |
| Charge Power | 280/380 W | 330 W |
| Charger weight | n/a | 974 g |
Processor
| Processor | Intel Core Ultra 9 275HX | Intel Core i9 13980HX |
| Base frequency | 2.7 GHz | 2.2 GHz |
| Turbo Frequency | 5.4 GHz | 5.6 GHz |
| Cores | 24 (8P + 16E) | 24 (8P + 16E) |
| Threads | 24 | 32 |
| L3 Cache | 36 MB | 36 MB |
| Integrated Graphics | Arc Graphics (4-Cores) | Intel UHD Graphics (32EU) |
| Process tech. | 3 nm | 10 nm |
GPU Model
| GPU Model | GeForce RTX 5070 Laptop 8GB | GeForce RTX 4080 Mobile 12GB |
| TGP | 175 W | 175 W |
| Nvidia Optimus | MUX | MUX |
| Graphics Type | Discrete | Discrete |
| Process tech. | 4 nm | 5 nm |
| GPU Frequency | n/a | 1860 MHz |
| Boost GPU Frequency | n/a | 2280 MHz |
| FLOPS | 38.5 TFLOPS | 37.6 TFLOPS |
| Video Memory | 8 | 12 |
| Memory Type | GDDR7 | GDDR6 |
| Tire Width | 128 bit | 192 bit |
| Memory speed | 28 Gbit/s | 18 Gbit/s |
| Shader Units | 4608 | 7424 |
| TMUs | 144 | 232 |
| ROPs | 48 | 80 |
RAM
| RAM Size | 16 GB | 32 GB |
| Channels | 2x8 GB | 2x16 GB |
| Frequency | 5600 MHz | 5600 MHz |
| Type | DDR5 | DDR5 |
| Replaceable | Yes | Yes |
| Total Slots | 2 | 2 |
| Max RAM | 64 | 64 |
Storage
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Type | SSD (M2) | SSD (M2) |
| Channels | 1x1024 GB | 1x512 GB |
| Replaceable | Yes | Yes |
| Total Slots | 2 | 2 |
| NVMe | Yes | Yes |
| Storage Capacity | 1024 GB | 512 GB |
Sound
| Audio Chipset | n/a | Realtek ALC3306 |
| Audio Formats | 2.0 | 2.0 |
| Speaker Power | 2x2 W | 2x2 W |
| Dolby Atmos | Yes | No |
| Max Volume | n/a | 82.8 dB |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi version | v7 | v7 |
| Bluetooth version | 5.4 | 5.3 |
| Fingerprint sensor | No | Yes |
| IR sensor | Yes | No |
| CD drive | No | No |
| Webcam | Above Display | Above Display |
| Webcam Resolution | 1920x1080 | 1920x1080 |
| USB-A | 3x3.2 | 2x3.2 |
| USB-C | 2x4.0 | 3x3.2 |
| Thunderbolt | Thunderbolt 5 | Thunderbolt 4 |
| HDMI | 1x2.1 | 1x2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| 3.5 mm Audio Jack | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| Card Reader | No | Yes |
| Charging Port | Yes | Yes |
Keyboard & Touchpad
| Key Type | Island Layout | Island Layout |
| Numeric Keypad | Yes | Yes |
| Backlight | Yes | Yes |
| Key Travel | n/a | 1.5 mm |
| Size | n/a | 12.0x5.8 cm |
| Surface | n/a | Glass |
| Windows Precision | Yes | Yes |
Note
Asus 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.
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Attention!
Ports, display type, speakers, and specs may differ by model or country.
Results
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Survey
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