ASUS ROG Zephyrus S 15″ (GX531GX-XS74) vs ASUS ROG Strix G18 (G815LR-IS97)
Comparison summary
- ASUS ROG Zephyrus S 15″ is clearly winner for gaming and offers more value.
- For performance ASUS ROG Strix G18 has a lot better processor.
- Strix G18 has Windows 11 Pro, which is both better and safer than Windows 10 Pro that is in Zephyrus S 15″.
- When it comes to graphics Strix G18 has a lot faster graphics card.
- Strix G18 features a higher resolution screen (WQXGA).
- Strix G18 offers a larger screen. For carrying Zephyrus S 15″ is lighter. Its also thinner and more compact in size.
- Strix G18 offers more SSD storage.
ASUS ROG Zephyrus S 15″ (GX531GX-XS74)
ASUS ROG Strix G18 (G815LR-IS97)
Compare specifications
| ASUS ROG Zephyrus S 15″ (GX531GX-XS74) | ASUS ROG Strix G18 (G815LR-IS97) |
|---|---|
| Processor (CPU)?Central Processing Unit is the heart of a laptop and is responsible for executing programs. Read more | |
| Intel Core i7-8750H | Intel Core Ultra 9 275HX |
| Memory (RAM)?Memory increases the general speed and multiprocessing capabilities of a laptop. Read more | |
| 16gb | - |
| Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs. Read more | |
| GeForce RTX 2080 | GeForce RTX 5070 Ti |
| Screen size | |
| 15.6″ | 18″ |
| Screen resolution | |
| Full HD (1920 x 1080 pixels) | WQXGA (2560 x 1600 pixels) |
| Weight | |
| 4.6 lbs (2.09 kg) | 6.61 lbs (3 kg) |
| Size (length x width x height) | |
| 14.2 x 10.6 x 0.82 inches | 15.71 x 11.73 x 1.26 inches |
| (36.07 x 26.92 x 2.08 cm) | (39.9 x 29.79 x 3.2 cm) |
| Operating system (OS) | |
| Windows 10 Pro | Windows 11 Pro |
| Hard drives | |
| 500gb SSD | 2000gb SSD |
| Release date | |
| February 1, 2019 | August 18, 2026 |
| Amazon.com List Price | |
| $3,499.99 | $3,699.99 |
| Amazon.com Lowest New Price | |
| $3,499.99 | $3,699.99 |
| Buy on Amazon.com | Buy on Amazon.com |
Laptop Dimensions
ASUS ROG Zephyrus S 15″ (GX531GX-XS74)
ASUS ROG Strix G18 (G815LR-IS97)
Compare ASUS ROG Zephyrus S 15″ / ASUS ROG Strix G18 vs other gaming laptops:
ASUS ROG Zephyrus S 15″ (GX531GX-XS74) summary
ASUS ROG Zephyrus S is a gaming laptop with Windows 10 Pro. It doesn't have the best Intel processor plus also less memory than competitors for its price. The laptop has the GeForce RTX 2080 video card that is mediocre for gaming. You can play older games on recommended settings, but using lower graphics settings you can run 60% of the games published this year. Just Full HD resolution is underwhelming for the 15-inch 144 Hz screen. The 500gb SSD storage is not as much as competitors. It is quite light at only 4.6 lbs (2.09 kg).
ASUS ROG Zephyrus S Ultra Slim Gaming Laptop, 15.6” 144Hz IPS-Type Full HD, GeForce RTX 2080, Intel Core i7-8750H CPU, 16GB DDR4, 512GB PCIe Nvme SSD, Aura Sync RGB, Windows 10 Pro - GX531GX-XS74
Nvidia GeForce RTX 2080 8GB (base: 990 MHz, Boost: 1230 MHz; TDP: 90W)
Intel Core i7-8750H Hexa-Core processor
15. 6” 144Hz 3ms IPS-Type full HD (1920x1080) Display
16GB 2666Hz DDR4 | 512GB PCIe NVMe SSD | Windows 10 Professional
0. 62” thin, 4. 6 lbs ultraportable military-grade magnesium alloy body gaming laptop with premium metal cover
Rog active Aerodynamic System (AAs) with upgraded 12V fans and anti-dust tunnels to preserve cooling performance and system stability
Customizable 4-zone ASUS Aura RGB Gaming Keyboard
ASIN: B07M9SMBRM
ASUS ROG Strix G18 (G815LR-IS97) summary
ASUS ROG Strix G18 is an impressively priced gaming laptop with Windows 11 Pro released in 2026. It has the GeForce RTX 5070 Ti GPU that is brilliant great for playing games. The laptop has a great Intel processor for its price. WQXGA resolution is great for the 18″ 240 Hz screen. Your 2000gb SSD storage is decent. It is quite lightweight at only 6.61 lbs (3 kg).
ASUS ROG Strix G18 18” Gaming Laptop, Core Ultra 9 275HX, RTX 5070 Ti 12GB
Ultra-Powerful Gaming Performance: Dominate every title with the ASUS ROG Strix G18 gaming laptop, powered by the Intel Core Ultra 9 275HX processor with 24 cores and 24 threads boosting up to 5.4 GHz. Paired with the NVIDIA GeForce RTX 5070 Ti laptop GPU featuring 12GB GDDR7, this asus gaming laptop handles AAA games, 3D rendering, and AI-driven tasks with ease, delivering desktop-grade performance in a portable form factor
Stunning Visuals & Fluid Gameplay: Lose yourself in immersive gaming on the 18" ROG Nebula Display with 2.5K (2560x1600) resolution and a blazing-fast 240Hz/3ms refresh rate. With 500 nits brightness and a 16:10 aspect ratio, this Strix G18 screen delivers vivid colors and silky-smooth motion, ensuring every frame is crisp and responsive—perfect for competitive esports and cinematic single-player adventures
Massive Memory & Blazing Storage: Equipped with 64GB high-speed DDR5 RAM and a massive 2TB PCIe 4.0 NVMe SSD, this ASUS laptop offers seamless multitasking and lightning-fast load times. Switch between games, streaming apps, and background tasks without lag, while the tool-less upgrade design lets you expand storage or memory effortlessly—no screwdriver required—keeping your asus gaming laptop future-proof for years
Pro-Grade Connectivity & Advanced Cooling: Stay ahead with next-gen Wi-Fi 7 and Bluetooth 5.4 for ultra-low latency online play, plus dual Thunderbolt 5 ports and HDMI 2.1 for multi-display setups. The ROG intelligent cooling system with Tri-Fan Technology keeps the ASUS ROG Strix G18 cool during marathon sessions, while the 90Wh battery and 280W adapter ensure sustained power when you need it most
Designed for Gamers & Creators: The Strix G18 combines a 4-zone RGB backlit chiclet keyboard with a 1080P FHD IR camera featuring Windows Hello for secure logins. Windows 11 Pro delivers a secure, productivity-rich environment, while the sleek Eclipse Gray chassis weighs just 6.61 lbs—making this RTX 5070 Ti laptop the ultimate companion for gaming, streaming, and content creation anywhere
ASIN: B0HFK5PW23