ASUS ROG Zephyrus ASUS ROG Zephyrus G16 GU605 16" WQXGA 240Hz OLED Review

The ASUS ROG Zephyrus G16 packs a desktop-crushing RTX 5090 into a laptop, but it comes with a hefty price and some compromises. Here's who should actually buy it.

CPU Intel Core Ultra 9 285H
RAM 64 GB
Storage 2 TB
Screen 16" 2560x1600
GPU NVIDIA GeForce RTX 5090
OS Windows 11 Pro
Weight 2 kg
Battery 90 Wh
ASUS ROG Zephyrus ASUS ROG Zephyrus G16 GU605 16" WQXGA 240Hz OLED laptop
89.2 Overall Score

The 30-Second Version

This is a desktop-killing performance beast in a (somewhat) portable form. Only for those who need the RTX 5090 and have deep pockets.

Overview

The ASUS ROG Zephyrus G16 is a monster of a laptop that's basically a desktop replacement in a surprisingly portable package. The one thing you need to know is that this machine is built for one thing: obliterating any game or creative workload you throw at it, thanks to its top-tier RTX 5090 GPU and 64GB of RAM. It's not trying to be subtle, and it doesn't need to be.

Performance

The numbers don't lie. That RTX 5090 GPU lands in the 95th percentile in our database, which is just absurd for a laptop. Paired with a 240Hz OLED screen, games look and feel incredibly smooth. The Intel Ultra 9 CPU is no slouch either, sitting comfortably in the 84th percentile, so you won't have any bottlenecks. It's a pure performance beast.

Performance Percentiles

CPU 87.3
GPU 91.9
RAM 98.6
Ports 99.8
Screen 92.3
Portability 22
Storage 94.2
Reliability 52.1

Pros & Cons

Pros

  • Strong port (100th percentile) 100th
  • Strong ram (98th percentile) 99th
  • Strong gpu (95th percentile) 94th
  • Strong screen (91th percentile) 92th

Cons

  • Below average compact (25th percentile) 22th

Specifications

Full Specifications

Processor

CPU Intel Core Ultra 9 285H
Cores 16
Frequency 2.9 GHz
L3 Cache 24 MB

Graphics

GPU RTX 5090
Type discrete
VRAM 24 GB
VRAM Type GDDR7

Memory & Storage

RAM 64 GB
RAM Generation DDR5
Storage 2 TB
Storage Type NVMe SSD

Display

Size 16"
Resolution 2560 (QHD)
Panel OLED
Refresh Rate 240 Hz
Brightness 500 nits

Connectivity

USB-C Ports 2
USB Ports 4
Thunderbolt 1x Thunderbolt
HDMI 1 x HDMI 2.1
Wi-Fi Wi-Fi 7

Physical

Weight 1.9 kg / 4.3 lbs
Battery 90 Wh
OS Windows 11 Pro

Value & Pricing

At $4600, this is a 'shut up and take my money' proposition only for a very specific buyer. If you need the absolute fastest mobile graphics money can buy and money is no object, it's worth it. For everyone else, it's a ridiculously expensive luxury.

vs Competition

The most direct competitor is the MSI Vector 16 HX, which will likely offer similar raw power for less money, though maybe with a less stunning screen. If you're not purely gaming, the Apple MacBook Pro 14" with the M4 Max is a fascinating alternative. It'll crush creative apps, be way more portable, and have insane battery life, but you're locked out of most PC games. The Zenbook Duo is for a totally different multitasking crowd, and the Legion Pro 7i is last-gen tech at this point.

Spec ASUS ROG Zephyrus ASUS ROG Zephyrus G16 GU605 16" WQXGA 240Hz OLED Apple MacBook Pro Apple 14" MacBook Pro (M5, Silver) ASUS ROG Zephyrus ASUS - ROG Zephyrus G14 14" 3K OLED 120Hz Gaming Lenovo Legion Lenovo Legion Pro 5i Gen 10 Intel Laptop, MSI Creator MSI Creator M14 A13V A13VF-081US 14" 2.8K Laptop, HP ZBook HP 14" ZBook Ultra G1a Multi-Touch Mobile
CPU Intel Core Ultra 9 285H Apple M5 AMD Ryzen AI 300 Series Intel Core Ultra 7 255HX Intel Core i7 13620H AMD Ryzen AI Max Pro 385
RAM (GB) 64 32 32 16 32 32
Storage (GB) 2048 4096 1000 1024 2048 1024
Screen 16" 2560x1600 14.2" 3024x1964 14" 2880x1800 16" 2560x1600 14" 2880x1800 14" 2880x1800
GPU NVIDIA GeForce RTX 5090 Apple (10-Core) NVIDIA GeForce RTX 5070 Ti NVIDIA GeForce RTX 5060 NVIDIA GeForce RTX 4060 AMD Radeon
OS Windows 11 Pro macOS Windows 11 Home Windows 11 Home Windows 11 Home (MSI recommends Windows 11 Pro for business) Windows 11 Pro
Weight (kg) 2 1.5 1.6 0.5 1.6 2.6
Battery (Wh) 90 72 - 80 - 74

Common Questions

Q: Can it run the latest games at max settings?

Absolutely. The RTX 5090 is the top mobile GPU right now. It'll crush anything at this 1600p resolution.

Q: Is the OLED screen good for work or just gaming?

It's fantastic for both. The colors are amazing for creative work, and the 240Hz makes everything silky smooth. Just watch out for potential burn-in if you leave static images up for days.

Q: How's the battery life?

We don't have specific data, but with these power-hungry specs and a bright OLED, expect to be plugged in. This is not a cafe laptop.

Who Should Skip This

If you need to carry your laptop around campus or a coffee shop all day, skip this. It's heavy, power-hungry, and expensive. Look at a MacBook Pro or a high-end ultrabook instead. If you're on a budget, the MSI Vector or last-gen Legion models offer way more performance per dollar.

Verdict

We recommend the ROG Zephyrus G16 if you are a professional gamer, a streamer, or a creator who needs the absolute fastest mobile GPU and has a budget to match. It's a no-compromise performance flagship. For anyone who values portability, battery life, or just doesn't need a $4600 laptop, there are better, saner options.