ASUS ROG Strix G18 (G815LR)

Processor: Intel Core Ultra 9 HX
Everyday speed: Handles heavy creative work
Graphics: NVIDIA GeForce RTX 5070 Ti
Gaming: Plays the latest games at very high settings
Memory: 32 GB
Storage: 1 TB SSD
Screen: 18" 2.5K IPS 300Hz
Weight: 3.2 kg
Operating system: Windows 11 Home

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ASUS ROG Strix G18 (G815LR) at a glance

Performance

Handles heavy creative work

Intel Core Ultra 9 HX with 32 GB of memory: power to spare for editing, coding and heavy multitasking.
Gaming

Plays the latest games at very high settings

RTX 5070 Ti at up to 140 W, with a 300 Hz screen to match.
Display

18" 2.5K screen

A good, sharp screen (300 Hz).
Battery life

90 Wh battery

A large battery; its maker doesn't quote hours.
Connectivity

Wi-Fi 7, Thunderbolt/USB4

Has Thunderbolt/USB4, HDMI and Ethernet; no USB-A.
Portability

3.2 kg

Best kept on a desk.

ASUS ROG Strix G18 (G815LR) full specifications

Performance

The ASUS ROG Strix G18 is a proper gaming machine: the RTX 5070 Ti (up to 140 W) plays the latest games at very high settings. 32 GB of memory leaves headroom for recording or streaming alongside, and 1 TB of storage holds around 9 big games. The same hardware makes it a strong machine for video editing too.

Processor	Intel Core Ultra 9 290HX Plus
Graphics	NVIDIA GeForce RTX 5070 Ti Laptop
Graphics memory	12 GB
Graphics power (TGP)	140 W
AI engine (NPU)	13 TOPS
Memory (RAM)	32 GB
Memory type	DDR5-5600
Maximum memory	64 GB
Memory upgrades	Upgradeable (slots)
Storage	1 TB
Storage type	SSD
Storage interface	PCIe 4.0 NVMe M.2
Storage slots	2

Screen

Its 18-inch 2.5K screen keeps text crisp through long days of reading and writing, and it's roomy enough for two windows side by side. The 300 Hz refresh rate keeps fast games smooth.

It covers 100% DCI-P3, so it suits photo and video editing.

Screen size	18"
Resolution	2.5K (2560 x 1600)
Aspect ratio	16:10
Panel	IPS
Refresh rate	300 Hz
Variable refresh (VRR)	Yes
Colour range	100% DCI-P3
HDR	None
Finish	Matte
Touchscreen	No

Battery and size

At 3.2 kg it's a desk machine you'll move between rooms rather than carry around. It has a 90 Wh battery, which is on the large side. It charges over USB-C, so one charger can top up your phone too.

Battery capacity	90 Wh
Charger	280 W
Charges via	Barrel (rectangle connector) + USB-C PD up to 100W
Fast charging	None
Weight	3.2 kg
Dimensions	399 x 298 x 23.5-32 mm
Colour	Gray

Ports and wireless

Thunderbolt or USB4 and HDMI make it easy to build a desk setup, running a monitor, dock and fast drive from one cable. It also has Ethernet for a stable wired connection. There are no USB-A ports, so older accessories need an adapter.

Wi-Fi 7 gets the most out of a modern router.

Ports	1x 3.5 mm combo audio jack, 1x HDMI 2.1 FRL, 3x USB 3.2 Gen 2 Type-A (10Gbps), 2x Thunderbolt 5 (DisplayPort, power delivery charging, G-SYNC, up to 120Gbps), 1x 2.5G LAN (RJ45)
Thunderbolt / USB4	Thunderbolt 5
Card reader	None
Ethernet	2.5G LAN
Wi-Fi	Wi-Fi 7
Bluetooth	Bluetooth 5.4
Mobile data	None

Features

Beyond gaming, the ASUS ROG Strix G18 signs you in by recognising your face, has a backlit keyboard for late-night sessions and adds a number pad. Video calls look crisp through its 1080p webcam, and the speakers sound fuller than most.

Webcam	1080p + IR
Backlit keyboard	Yes
Keyboard	Backlit chiclet, per-key RGB, Num-key, Copilot key
Login	Face
Number pad	Yes
Speakers	2-speaker system, Smart Amp, Dolby Atmos, Hi-Res certification (headphone)
Microphones	Built-in array microphone, AI noise-canceling
Pen	No
Security	Firmware TPM, BIOS administrator and user password

Software and model

Windows 11 runs almost anything, from Office and specialist work software to most PC games.

This model came out in 2026.

Operating system	Windows 11 Home
Update promise	None
Model number	G815LR-TT281W
Released	2026

Specs compiled from ASUS's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.