ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB vs ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB
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HP OmniBook Ultra Flip 14, Ultra 9 Series 288V, 32GB RAM, 2TB SSDKSh 227,000.00
Lenovo Legion Pro 5 - Core U9 275HX, 64GB RAM, 1TB SSD, RTX 5070 8GBKSh 298,000.00
16-inch MacBook Pro M3 MaxKSh 392,000 – KSh 560,000
HP Envy x360 15t-fe000, Core i7-1355U + RTX 3050 4GBKSh 175,000.00
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |  ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Display Size | 18-inch | 16-inch |
| Processor | Intel Core Ultra 9 275HX | Intel Core Ultra 9 275HX |
| GPU | NVIDIA GeForce RTX 5090 Laptop GPU | NVIDIA GeForce RTX 5080 Laptop GPU |
| RAM | 64 GB | 64 GB |
| Storage | 4 TB (2 × 2 TB RAID 0) | 2 TB |
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Full specifications
2 of 4 products
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General
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Brand | ASUS | ASUS |
| Model | ROG Strix SCAR 18 (2025) G835 | ROG Strix G16 (2025) G615 |
| Announced | 2025 | 2025 |
| Form Factor | Gaming laptop | Gaming laptop |
| Color | Eclipse Gray | Eclipse Gray |
Design
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Dimensions | 399 × 298 × 23.5–32 mm | 354 × 264 × 22.6–30.4 mm |
| Weight | Starting at 3.3 kg | Starting at 2.65 kg |
| Build Materials | Aluminium lid; reinforced polymer chassis | Aluminium lid; reinforced polymer chassis |
Display
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Display Size | 18-inch | 16-inch |
| Display Type | Mini LED ROG Nebula HDR anti-glare | IPS-level ROG Nebula anti-glare |
| Resolution | 2560 × 1600 (2.5K) | 2560 × 1600 (2.5K) |
| Refresh Rate | 240 Hz | 240 Hz |
| Brightness | Up to 1200 nits peak HDR | 500 nits |
| Touchscreen | No | No |
| Display Features | 16:10, 100% DCI-P3, 3 ms, 2000+ dimming zones, Pantone Validated, Dolby Vision, G-SYNC, ACR | 16:10, 100% DCI-P3, 3 ms, Pantone Validated, Dolby Vision, G-SYNC, ACR |
Performance
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | Intel Core Ultra 9 275HX |
| CPU | 24 cores (8 P-cores + 16 E-cores), 24 threads; up to 5.4 GHz; 36 MB cache; Intel AI Boost NPU up to 13 TOPS | 24 cores (8 P-cores + 16 E-cores), 24 threads; up to 5.4 GHz; 36 MB cache; Intel AI Boost NPU up to 13 TOPS |
| GPU | NVIDIA GeForce RTX 5090 Laptop GPU | NVIDIA GeForce RTX 5080 Laptop GPU |
| Graphics Memory | 24 GB GDDR7 | 16 GB GDDR7 |
| RAM Type | DDR5-5600 SO-DIMM | DDR5-5600 SO-DIMM |
| Storage Type | PCIe 4.0 NVMe M.2 SSD | PCIe 4.0 NVMe M.2 SSD |
Memory & Storage
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| RAM | 64 GB | 64 GB |
| Storage | 4 TB (2 × 2 TB RAID 0) | 2 TB |
Battery & Charging
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Battery | 90 Wh 4-cell Li-ion | 90 Wh 4-cell Li-ion |
| Battery Life | Varies by gaming workload and configuration | Varies by gaming workload and configuration |
| Charging | USB-C Power Delivery and fast charging supported | USB-C Power Delivery and fast charging supported |
| Power Adapter | 380 W AC adapter | 380 W AC adapter |
Software
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Operating System | Windows 11 Home | Windows 11 Home |
Connectivity
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Wi-Fi | Wi-Fi 7 (802.11be 2×2) | Wi-Fi 7 (802.11be 2×2) |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.4 |
| Ethernet | 2.5G Ethernet (RJ-45) | 2.5G Ethernet (RJ-45) |
Camera & Audio
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Webcam | 1080p FHD IR webcam for Windows Hello | 1080p FHD IR webcam for Windows Hello |
| Speakers | 4-speaker system with Smart Amplifier | 4-speaker system with Smart Amplifier |
| Microphones | Built-in 3-microphone array | Built-in 3-microphone array |
| Audio Features | Dolby Atmos; Smart Amplifier; AI noise cancellation; Hi-Res Audio | Dolby Atmos; Smart Amplifier; AI noise cancellation; Hi-Res Audio |
Keyboard & Input
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Keyboard | Per-key RGB chiclet gaming keyboard | Per-key RGB chiclet gaming keyboard |
| Keyboard Backlight | Per-key RGB with Aura Sync | Per-key RGB with Aura Sync |
| Trackpad | Precision multi-touch touchpad | Precision multi-touch touchpad |
| Fingerprint Reader | No; Windows Hello face authentication | No; Windows Hello face authentication |
| Stylus Support | No | No |
Ports
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| USB-A | 3 × USB-A 10 Gbps | 2 × USB-A 10 Gbps |
| USB-C | 2 × Thunderbolt 5 / USB-C with DisplayPort and Power Delivery | 2 × Thunderbolt 5 / USB-C with DisplayPort and Power Delivery |
| Thunderbolt / USB4 | 2 × Thunderbolt 5 | 2 × Thunderbolt 5 |
| HDMI | HDMI 2.1 FRL | HDMI 2.1 FRL |
| DisplayPort | DisplayPort via USB-C / Thunderbolt | DisplayPort via USB-C / Thunderbolt |
| Memory Card Reader | No | No |
| 3.5mm Audio Jack | 3.5 mm combo audio jack | 3.5 mm combo audio jack |
| Other Ports | RJ-45 Ethernet; DC input | RJ-45 Ethernet; DC input |
Additional Features
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Security | Firmware TPM; Windows Hello IR camera | Firmware TPM; Windows Hello IR camera |
| Cooling | End-to-end vapor chamber, sandwiched heatsink, Tri-Fan Technology, Conductonaut Extreme liquid metal | End-to-end vapor chamber, sandwiched heatsink, Tri-Fan Technology, Conductonaut Extreme liquid metal |
| Special Features | Tool-less RAM/SSD access; MUX Switch; Advanced Optimus; Aura Sync | Tool-less RAM/SSD access; MUX Switch; Advanced Optimus; Aura Sync |
What's in the Box
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 - Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
|---|---|---|
| Laptop | ASUS ROG Strix SCAR 18 – Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB | ASUS ROG Strix G16 – Core Ultra 9 275HX, 64GB, 2TB, RTX 5080 16GB |
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