Asus ROG Strix Scar 18 (2025) G835LW 18" Intel Core Ultra 9 275HX 2.7GHz / Nvidia GeForce RTX 5080 Laptop / 32GB RAM / 2TB SSD VS Asus ROG Zephyrus G16 (2025) GU605 16"

The Asus ROG Strix Scar 18 (2025) G835LW and Asus ROG Zephyrus G16 (2025) GU605 both belong to the gaming laptop category, but they have some notable design differences. The Strix Scar 18 is considerably larger and heavier, weighing 3480 g, while the Zephyrus G16 is much lighter at 1950 g. This makes the G16 a more portable option, especially for those who need to carry their laptop around frequently.

In terms of dimensions, the Strix Scar 18 is also larger, with a width of 399 mm, height of 298 mm, and thickness of 23 mm, compared to the Zephyrus G16, which is 354 mm wide, 246 mm tall, and 14 mm thick. These differences make the G16 more compact and thinner, which could be a deciding factor for users who prefer a sleeker, more portable design.

Both laptops feature backlit keyboards and neither uses a fanless design. However, the Strix Scar 18 has a larger volume (2734.746 cm³) compared to the Zephyrus G16’s 1219.176 cm³. Despite the difference in size, neither product is weather-sealed or splashproof.

The Asus ROG Strix Scar 18 (2025) G835LW and Asus ROG Zephyrus G16 (2025) GU605 both offer high-resolution displays, but they differ in screen size, pixel density, and anti-reflection coating. The Strix Scar 18 has a larger 18″ display, while the Zephyrus G16 features a more compact 16″ screen. Both laptops share the same resolution of 2560 x 1600 px, which provides sharp visuals at this size.

In terms of pixel density, the Zephyrus G16 has a slightly higher 188 ppi compared to the Strix Scar 18’s 167 ppi, meaning the G16 may appear slightly crisper at the same resolution. However, the Strix Scar 18 includes an anti-reflection coating, while the G16 does not, which may make a difference in visibility in bright environments.

Both laptops support up to four displays, allowing for a flexible multi-screen setup, but neither has a touch screen, focusing purely on traditional display interaction.

The Asus ROG Strix Scar 18 (2025) G835LW and the Asus ROG Zephyrus G16 (2025) GU605 have some key differences in performance specifications. The Strix Scar 18 is equipped with 32GB of RAM running at 5600 MHz, while the Zephyrus G16 features a larger 64GB of RAM, but with a higher speed of 7467 MHz. Both laptops use flash storage and come with 2048GB of internal storage, and both feature NVMe SSDs.

For the CPU, the Strix Scar 18 is powered by an Intel Core Ultra 9 275HX with 24 threads and a base clock speed of 2.7 GHz, which can turbo boost up to 5.4 GHz. In comparison, the Zephyrus G16 has an Intel processor with 16 threads and slightly higher base clock speeds of 2.9 GHz for 6 cores and 2.7 GHz for 8 cores, but its turbo boost is also 5.4 GHz. While both laptops support multithreading, the Strix Scar 18 has more CPU threads (24 vs 16), which might provide an advantage in certain multi-core tasks.

In terms of graphics, the Strix Scar 18 comes with 16GB of VRAM, while the Zephyrus G16 is equipped with 24GB of VRAM. The floating-point performance of the Strix Scar 18 is 23.04 TFLOPS, while the Zephyrus G16 has a higher floating-point performance of 31.8 TFLOPS. The texture rate is also higher on the G16 at 496.9 GTexels/s, compared to the Strix Scar 18’s 384 GTexels/s. The pixel rate is similarly better on the G16, with a rate of 193.9 GPixel/s, compared to the Strix Scar 18’s 144 GPixel/s. Both laptops feature GDDR7 VRAM and share the same GPU turbo speeds (1500 MHz for the Strix Scar 18 and 1515 MHz for the Zephyrus G16). The Strix Scar 18 supports up to 64GB of memory, while the Zephyrus G16 has no additional memory slots, limiting its upgradeability.

The Asus ROG Strix Scar 18 (2025) G835LW and the Asus ROG Zephyrus G16 (2025) GU605 show significant differences in benchmark results. The Strix Scar 18 has a higher overall PassMark result of 56426, compared to the Zephyrus G16's 33969. This suggests the Strix Scar 18 may have more overall processing power under typical usage scenarios.

When considering single-threaded performance, the difference narrows slightly. The Strix Scar 18 achieves a PassMark single-thread result of 4723, while the Zephyrus G16 scores slightly lower at 4472. While both laptops perform well in single-threaded tasks, the Strix Scar 18 still maintains an edge, albeit a smaller one.

These differences in PassMark scores highlight that the Strix Scar 18 is likely to deliver better overall performance, particularly in multi-threaded tasks, while the Zephyrus G16 remains competitive in single-threaded performance.

The Asus ROG Strix Scar 18 (2025) G835LW and the Asus ROG Zephyrus G16 (2025) GU605 offer similar connectivity options but differ in several areas. Both laptops have an HDMI output with HDMI 2.1 support and share the same Wi-Fi capabilities, including support for Wi-Fi 7, Wi-Fi 6E, Wi-Fi 6, Wi-Fi 5, and Wi-Fi 4. They also both support Bluetooth 5.4 and AirPlay.

In terms of USB ports, the Strix Scar 18 features three USB 3.2 Gen 2 USB-A ports and two USB 4 40Gbps USB-C ports, while the Zephyrus G16 offers one USB 3.2 Gen 2 USB-C port, two USB 3.2 Gen 2 USB-A ports, and one USB 4 40Gbps USB-C port. Additionally, the Zephyrus G16 has a Thunderbolt 4 port, which the Strix Scar 18 lacks.

Regarding other ports, the Strix Scar 18 has one RJ45 port and no external memory slot, while the Zephyrus G16 does not have an RJ45 port but includes an external memory slot. Both laptops lack DisplayPort, mini DisplayPort, and VGA connectors.

Both the Asus ROG Strix Scar 18 (2025) G835LW and the Asus ROG Zephyrus G16 (2025) GU605 come with a 90 Wh battery, providing similar battery capacity for both laptops. They also both feature sleep-and-charge USB ports, allowing you to charge devices even when the laptop is in sleep mode.

Neither of these laptops includes a MagSafe power adapter, so users will need to rely on the standard power adapter for charging.

In summary, the battery specifications are identical for both products, with both offering the same battery size and charging capabilities.

Both the Asus ROG Strix Scar 18 (2025) G835LW and the Asus ROG Zephyrus G16 (2025) GU605 share several key features. They both come with stereo speakers, a 3.5 mm audio jack, support for ray tracing and DLSS, and Dolby Atmos audio technology. Neither laptop includes a stylus, fingerprint scanner, or voice command support. Both also feature a front camera and use 3D facial recognition for security.

One difference is in the number of microphones: the Strix Scar 18 has two microphones, while the Zephyrus G16 has three. Neither laptop includes S/PDIF Out, a gyroscope, GPS, an accelerometer, a compass, or an optical disc drive.

In summary, the two laptops offer a similar set of features, with the main difference being the number of microphones, with the Zephyrus G16 having one more than the Strix Scar 18.

The Asus ROG Strix Scar 18 (2025) G835LW and Asus ROG Zephyrus G16 (2025) GU605 both feature powerful hardware specifications, but they do have some differences in terms of performance and architecture. Both laptops use Blackwell GPU architecture and support multi-display technology and 3D, but the Strix Scar 18 has a lower Thermal Design Power (TDP) of 80W compared to the Zephyrus G16's 95W. This could indicate a slight difference in power consumption under load.

In terms of CPU specifications, the Strix Scar 18 has a clock multiplier of 27 and a maximum RAM speed of 6400 MHz, while the Zephyrus G16 features a higher clock multiplier of 29 and a maximum RAM speed of 8400 MHz. The Strix Scar 18 also offers an unlocked CPU multiplier, while the Zephyrus G16 does not. The L3 cache is larger on the Strix Scar 18, with 36 MB compared to the 24 MB on the Zephyrus G16.

Both laptops have similar features, such as support for ECC memory, integrated graphics, and big.LITTLE technology. However, the Strix Scar 18 runs at a slightly lower CPU temperature of 105 °C, while the Zephyrus G16 reaches 110 °C. The GPU memory speed is the same on both devices, 2000 MHz, and they both support the same instruction sets. The Zephyrus G16 has more ROPs (128 vs 96) and texture mapping units (TMUs), and it also has more shading units (10496 vs 7680) than the Strix Scar 18.