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Eclipse Gray 18-inch gaming laptop with flat keyboard deck and visible rear vents

ASUS

ASUS ROG Strix G18 G815LW-G18.U95080-HID5 gaming laptop

SKU CH-BJGF-VAHV7

An 18-inch WQXGA 240Hz gaming laptop with an Intel Core Ultra 9 275HX 24-core processor, RTX 5080 16GB GDDR7 graphics, 64GB DDR5 memory and a 2TB PCIe 4.0 NVMe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorGeForce RTX 5080 Laptop GPU
  • Memory size64 GB
  • Storage drive2 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution2560 × 1600

CPU Name Intel Core Ultra 9 275HX

Operating System Windows 11 Home

GPU GeForce RTX 5080 Laptop GPU

Memory 64GB

SSD 2 TB

  • Intel Core Ultra 9 275HX 24-core CPU reaches 5.5 GHz turbo for heavy workloads
  • NVIDIA GeForce RTX 5080 with 16 GB GDDR7 drives high-frame-rate gaming
  • 18" WQXGA 240 Hz IPS-level panel at 2560 x 1600 delivers smooth visuals
  • 64 GB DDR5 5600 MHz dual-channel memory handles multitasking and large datasets
  • 2 TB PCIe 4.0 x4 NVMe SSD provides fast boot and load times

18-inch WQXGA gaming laptop

The ASUS ROG Strix G18 G815LW-G18.U95080-HID5 is an 18-inch Windows 11 Home gaming laptop built for users who need desktop-class performance in a portable chassis. It pairs an Intel Core Ultra 9 275HX 24-core processor with an NVIDIA GeForce RTX 5080 GPU and 16 GB of GDDR7 video memory. The 240 Hz IPS-level panel delivers 2560 x 1600 resolution for fast, detailed visuals.

Thermal Grizzly and Gelid TIM upgrades

HIDevolution replaces the stock thermal interface material with Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU. This custom application lowers component temperatures under sustained load, helping the 2.1 GHz base clock reach its 5.5 GHz max turbo more consistently. The upgrade is performed before shipment and covered by the builder’s warranty.

64 GB DDR5 5600 dual-channel memory

The system ships with 64 GB of DDR5 5600 MHz memory in a 2 x 32 GB dual-channel configuration. This capacity supports heavy multitasking, large texture streaming and memory-hungry creative workloads without paging to the 2 TB PCIe 4.0 x4 NVMe SSD. Speed is subject to system capability.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $3,182.99
Pricier than about 81% of the 5,382 comparable items (median $1,978.99).
Screen size 18.0 in (45.7 cm)
Higher than about 90% of the 5,361 comparable items (median 16 in).
Refresh frequency 240 Hz
Higher than about 70% of the 2,443 comparable items (median 165 Hz).

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Specifications

Product
Brand nameASUS
Product lineROG Strix G18
Model nameG815LW-G18.U95080
Part numberG815LW-G18.U95080-HID5
Product colorEclipse Gray
Design styleThin and Light
Product typeGaming & Entertainment
Recommended useConsumer
Processor
ProcessorIntel® Core Ultra 9-275HX
Processor modelIntel Core Ultra 9 275HX
CPU cores24-core (8P+16E) Processor
Turbo clock speed5.5 GHz
Processor codenameArrow Lake
L3 cache size36 MB
Memory
Memory size64 GB
RAM type and speedDDR5 5600 MHz
Memory configuration2 × 32 GB
Total memory slots2
Free memory slots0
Maximum supported memory96 GB
Storage
Storage drive2 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage2 TB
Hard driveNo
Storage configuration2 TB M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size18.0 in (45.7 cm)
Display resolution2560 × 1600
Refresh frequency240 Hz
Touch inputNon-Touch Screen
Display18 in WQXGA
Display formatWQXGA
Screen features2.5K 240 Hz IPS-Level
Graphics
Graphics processorGeForce RTX 5080 Laptop GPU
Video RAM16 GB
GPU modelNVIDIA® GeForce® RTX™ 5080
Graphics typeDedicated Card
Audio & video
SoundSmart Amp Technology, Dolby Atmos, AI noise-canceling technology, Hi-Res certification (for headphone)
Speakers2-speaker system with Smart Amplifier Technology
Web camera1080P FHD IR Camera for Windows Hello
Connectivity
Wi-Fi standardWi-Fi 7
Wi-FiWi-Fi 7(802.11be) (Triple band) 2 × 2
Bluetooth supportBluetooth® 5.4
Ports & slots
USB ports3x USB 3.2 Gen 2 Type-A (data speed up to 10 Gbit/s)
Thunderbolt ports2x Thunderbolt™ 5 with support for DisplayPort™ / power delivery / G-SYNC (data speed up to 120 Gbit/s)
HDMI ports1x HDMI 2.1 FRL
Audio jacks3.5 mm Combo Audio Jack
Memory card readerNone
Power
Power adapterRectangle Conn, 380 W AC Adapter, Output: 20 V DC, 19A, 380 W, Input: 100-240 V AC, 50/60 Hz universal
Battery pack90WHrs, 4S1P, 4-cell Li-ion
Size & build
Overall dimensions15.71 in × 11.73 in × 0.93 in ~ 1.26 in
Product weight7.54 lb (3.42 kg)
Software
Operating systemWindows 11 Home
More details
Pointing deviceYes
KeyboardBacklit Chiclet Keyboard Per-Key RGB
Keyboard backlightBacklit

Other versions of this model

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Questions about this item

How often will the Thermal Grizzly Conductonaut and Gelid GC Extreme thermal compounds on the CPU and GPU need replacement?

The Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU are applied during assembly and typically last several years; replacement is only needed if temperatures rise noticeably after prolonged heavy use.

Which component hits its thermal limit first during extended 240 Hz gaming sessions?

The Intel Core Ultra 9 275HX with its 24 cores and 5.5 GHz turbo frequency generally reaches its thermal ceiling before the RTX 5080, especially when all 8 P-cores and 16 E-cores are fully loaded.

What are the fan noise and surface temperatures like when the RTX 5080 and Ultra 9 275HX run at full load all day?

Expect audible fan noise at high RPM and warm keyboard deck temperatures; the upgraded thermal compounds help move heat to the heatsinks faster, but sustained 16 GB GDDR7 and 36 MB cache workloads still produce significant exhaust heat.

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