Asus ROG Strix Scar 18 (2025) G835LX 18" Intel Core Ultra 9 275HX 2.7GHz / Nvidia GeForce RTX 5090 Laptop / 64GB RAM / 2TB SSD specifications and in-depth review

Asus ROG Strix Scar 18 (2025) G835LX 18" Intel Core Ultra 9 275HX 2.7GHz / Nvidia GeForce RTX 5090 Laptop / 64GB RAM / 2TB SSD

Manufacturer: Asus

The Asus ROG Strix Scar 18 (2025) G835LX is an 18″ gaming laptop built around Intel's Core Ultra 9 275HX processor and Nvidia's GeForce RTX 5090 Laptop GPU. It ships with 64GB of DDR5 RAM across two memory slots and a 2TB NVMe SSD, housed in a chassis that weighs 3,480 g and measures 23 mm thick. The backlit keyboard, 3D facial recognition, and Dolby Atmos audio round out a feature set aimed squarely at demanding gaming use cases.

The Mini-LED LCD display spans 18″ at a 2560×1600 resolution, delivering a pixel density of 167 ppi with an anti-reflection coating and support for up to four connected screens. On the graphics side, the RTX 5090 Laptop GPU is based on the Blackwell architecture, carries 24GB of GDDR7 memory on a 256-bit bus, and reaches a floating-point throughput of 31.8 TFLOPS, with a maximum memory bandwidth of 811.5 GB/s. Connectivity includes two USB 4 40Gbps ports, three USB 3.2 Gen 2 Type-A ports, HDMI 2.1, Wi-Fi 7, Bluetooth 5.4, and a single RJ45 port, all backed by a 90 Wh battery with sleep-and-charge support.

Pros
  • The RTX 5090 Laptop GPU delivers 31.8 TFLOPS of floating-point performance with 24GB of GDDR7 VRAM on a 256-bit bus, making it well-suited for demanding rendering and gaming workloads
  • The 18-inch Mini-LED LCD display runs at 2560x1600 resolution with an anti-reflection coating and supports up to four simultaneous displays
  • Two USB 4 40Gbps Type-C ports alongside three USB 3.2 Gen 2 Type-A ports and HDMI 2.1 provide a versatile and fast wired connectivity setup
  • Wi-Fi 7 support with backward compatibility down to Wi-Fi 4, combined with Bluetooth 5.4, ensures broad and current wireless connectivity
  • 3D facial recognition and a front camera offer a convenient, password-free login experience without relying on a fingerprint scanner
  • The 64GB of DDR5 RAM running at 5,600 MHz, paired with a 2TB NVMe SSD on PCIe 4, provides substantial memory and fast storage capacity
Cons
  • At 3,480 g and 23 mm thick, the chassis is notably heavy for a portable device, limiting day-to-day transportability
  • The 90 Wh battery is relatively modest given the high TDP components inside, which are likely to draw significant power under load
  • There is no external memory card slot, restricting quick media transfers from cameras or other devices
  • The laptop does not include a fingerprint scanner, leaving 3D facial recognition as the sole biometric authentication method
  • No DisplayPort or Thunderbolt outputs are available, which may limit compatibility with certain external monitors or high-speed peripherals
Who is this for?

This laptop is well-suited to users who need sustained, high-throughput computing in a single portable unit — particularly those engaged in demanding gaming at high resolutions, 3D rendering, or GPU-accelerated workflows that can take full advantage of the RTX 5090's 31.8 TFLOPS and 24GB of GDDR7 VRAM. The 18-inch 2560x1600 Mini-LED display with anti-reflection coating makes it a practical choice for content creators and visual professionals who want accurate, detailed screen real estate without a separate monitor. The combination of 64GB DDR5 RAM, a 2TB NVMe SSD, and support for up to four simultaneous displays also means it can serve as a capable desktop replacement for power users who occasionally need to move between locations.

Who is this NOT for?

At 3,480 g and with a 90 Wh battery powering hardware rated at a 95W CPU TDP alone, this machine is poorly matched to users who prioritize portability and all-day battery life — anyone who routinely works away from a power outlet will find the combination of size, weight, and energy demands impractical. The absence of Thunderbolt ports and a memory card slot makes it less ideal for professional photographers or videographers who depend on fast, high-volume media transfers and broad peripheral compatibility. Users looking for a compact secondary device or a lightweight travel machine will similarly find the chassis dimensions and weight a significant drawback in everyday mobile use.

Design:

Type Gaming
weight 3480 g
Uses a fanless design
Has a backlit keyboard
volume 2734.746 cm³
width 399 mm
height 298 mm
thickness 23 mm
is weather-sealed (splashproof)

The Asus ROG Strix Scar 18 (2025) is classified as a gaming laptop with a weight of 3,480 g and a footprint of 399 mm wide by 298 mm tall, keeping a thickness of just 23 mm across its 2,734.746 cm³ volume. It features a backlit keyboard and relies on an active cooling system rather than a fanless design. The chassis is not weather-sealed, so it offers no splash protection.

Display:

screen size 18"
resolution 2560 x 1600 px
pixel density 167 ppi
Display type Mini-LED, LCD
has a touch screen
has anti-reflection coating
supported displays 4

The laptop features an 18″ Mini-LED LCD display running at a resolution of 2560×1600 px, which works out to a pixel density of 167 ppi. An anti-reflection coating is applied to the screen surface, though touch input is not supported. The system can drive up to four displays simultaneously, including the built-in panel.

Performance:

RAM 64GB
RAM speed 5600 MHz
Uses flash storage
internal storage 2048GB
CPU speed 8 x 2.7 & 16 x 2.1 GHz
CPU threads 24 threads
VRAM 24GB
floating-point performance 31.8 TFLOPS
GDDR version GDDR7
texture rate 496.9 GTexels/s
pixel rate 193.9 GPixel/s
Is an NVMe SSD
DirectX version DirectX 12 Ultimate
GPU clock speed 990 MHz
uses multithreading
maximum memory amount 64GB
DDR memory version 5
turbo clock speed 5.4GHz
GPU turbo 1515 MHz
memory slots 2
PCI Express (PCIe) version 4
semiconductor size 4 nm
has XeSS (XMX)
Supports 64-bit

The processor runs 24 threads across a configuration of 8 cores at 2.7 GHz and 16 cores at 2.1 GHz, with a turbo clock speed reaching 5.4 GHz, and is built on a 4 nm semiconductor process with multithreading and 64-bit support. Memory consists of 64GB of DDR5 RAM running at 5,600 MHz across two slots, with a maximum supported capacity of 64GB and a maximum speed of 6,400 MHz; storage is handled by a 2,048GB NVMe SSD using flash memory over a PCIe 4 interface. On the graphics side, the GPU carries 24GB of GDDR7 VRAM and delivers 31.8 TFLOPS of floating-point performance, a texture rate of 496.9 GTexels/s, and a pixel rate of 193.9 GPixel/s, with a base clock of 990 MHz boosting to 1,515 MHz; it supports DirectX 12 Ultimate but does not include XeSS acceleration.

Benchmarks:

PassMark result 56426
PassMark result (single) 4723

In CPU benchmark testing, the laptop achieves a PassMark multi-core score of 56,426, while the single-core PassMark result comes in at 4,723.

Connectivity:

USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 2 ports (USB-A) 3
USB 4 20Gbps ports 0
USB 4 40Gbps ports 2
Thunderbolt 4 ports 0
USB 3.2 Gen 1 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-A) 0
Thunderbolt 3 ports 0
has an HDMI output
Has USB Type-C
supports Wi-Fi
Wi-Fi version Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
has an external memory slot
Bluetooth version 5.4
RJ45 ports 1
HDMI ports 1
HDMI version HDMI 2.1
DisplayPort outputs 0
has AirPlay
mini DisplayPort outputs 0
has a VGA connector

Wired connectivity includes three USB 3.2 Gen 2 Type-A ports, two USB 4 40Gbps Type-C ports, and a single HDMI 2.1 output, while a dedicated RJ45 port handles wired networking; there are no DisplayPort, mini DisplayPort, VGA, Thunderbolt 3 or 4 outputs, and no external memory card slot. Wireless connectivity covers Wi-Fi 7 (802.11be) along with backward-compatible Wi-Fi 6E, 6, 5, and 4 standards, paired with Bluetooth 5.4. AirPlay is also supported.

Battery:

battery size 90 Wh
Has sleep-and-charge USB ports
Has a MagSafe power adapter

The laptop is equipped with a 90 Wh battery and supports sleep-and-charge on its USB ports, allowing connected devices to be charged even when the system is powered down. It does not include a MagSafe power adapter.

Features:

has stereo speakers
has a socket for a 3.5 mm audio jack
supports ray tracing
supports DLSS
has Dolby Atmos
Stylus included
Has a fingerprint scanner
number of microphones 2
Uses 3D facial recognition
has voice commands
has a front camera
Has S/PDIF Out port
has a gyroscope
has GPS
has an accelerometer
has a compass
Has an optical disc drive

Audio is handled by stereo speakers with Dolby Atmos support, a 3.5 mm headset jack, and two built-in microphones, while a front camera and 3D facial recognition are included for authentication; there is no fingerprint scanner, and voice commands are not supported. On the graphics side, the laptop supports both ray tracing and DLSS, though it lacks a gyroscope, accelerometer, compass, GPS, S/PDIF output, optical disc drive, and no stylus is included.

Miscellaneous:

clock multiplier 27
AMD SAM / Intel Resizable BAR Intel Resizable BAR
GPU architecture Blackwell
has LHR
Thermal Design Power (TDP) 95W
Supports 3D
Supports multi-display technology
OpenCL version 3
OpenGL version 4.6
Supports ECC memory
memory bus width 256-bit
effective memory speed 25400 MHz
maximum memory bandwidth 811.5 GB/s
render output units (ROPs) 128
texture mapping units (TMUs) 328
shading units 10496
Has Double Precision Floating Point (DPFP)
GPU memory speed 2000 MHz
Type Laptop
CPU socket BGA 2114
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has an unlocked multiplier
L3 cache 36 MB
L2 cache 40 MB
Has NX bit
Turbo Boost version 2
CPU temperature 105 °C
Has integrated graphics
memory channels 2
RAM speed (max) 6400 MHz
Uses big.LITTLE technology

The CPU is a laptop-type processor mounted in a BGA 2114 socket with a 95W TDP, a clock multiplier of 27, an unlocked multiplier, and Turbo Boost version 2; it uses big.LITTLE technology, includes integrated graphics, supports ECC memory, and has a maximum operating temperature of 105 °C, with 36 MB of L3 cache, 40 MB of L2 cache, two memory channels, a maximum RAM speed of 6,400 MHz, and instruction set support spanning MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, alongside NX bit and Double Precision Floating Point capabilities. The GPU is based on the Blackwell architecture and features 10,496 shading units, 328 texture mapping units, 128 ROPs, a 256-bit memory bus, a GPU memory speed of 2,000 MHz, an effective memory speed of 25,400 MHz, and a maximum memory bandwidth of 811.5 GB/s; it supports multi-display output, stereoscopic 3D, OpenCL 3, OpenGL 4.6, Intel Resizable BAR, and does not include LHR.

Final Verdict

The Asus ROG Strix Scar 18 (2025) G835LX is a purpose-built gaming and power-user laptop that makes no concessions in raw capability — its RTX 5090 Laptop GPU with 24GB of GDDR7 VRAM, 64GB of DDR5 RAM, and a high-resolution Mini-LED display combine to form a system that can handle the most demanding graphics workloads and serve as a legitimate desktop replacement. The trade-offs are real: the considerable weight, constrained battery capacity relative to its hardware demands, and limited peripheral connectivity options mean it asks something of its owner in return for that performance envelope. For users whose workflows genuinely require this level of sustained GPU and CPU throughput, the Scar 18 delivers comprehensively; those with more mobile or varied connectivity needs would be better served by a different class of machine.

Popular Comparisons

Asus ROG Strix Scar 18 (2025) G835LX 18" Intel Core Ultra 9 275HX 2.7GHz / Nvidia GeForce RTX 5090 Laptop / 64GB RAM / 2TB SSD
Asus ROG Strix Scar 18 (2025) G835LX 18" Intel Core Ultra 9 275HX 2.7GHz / Nvidia GeForce RTX 5090 Laptop / 64GB RAM / 2TB SSD
VS
MSI Titan 18 HX AI A2XW (2025) 18"
MSI Titan 18 HX AI A2XW (2025) 18"