Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606 Comparison

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Asus ROG Zephyrus G16 2025 GU605

16 inches | January 2025

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Asus Zenbook S 16 UX5606

16 inches | September 2024

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Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606 Comparison Overview

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In this review, we will be comparing ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606, two laptops by Asus. Asus ROG Zephyrus G16 2025 GU605 was introduced to market in January 2025 and Asus Zenbook S 16 UX5606 was launched in September 2024. There is only 4 months difference between ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 so we are expecting this to be a fair comparison regarding age and technology level.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Asus ROG Zephyrus G16 2025 GU605 and Asus Zenbook S 16 UX5606 before getting into our more detailed comparison.

Asus ROG Zephyrus G16 2025 GU605 Key Specs

Launched in January 2025
16.0" OLED, 16:10 Aspect Ratio Display
CPU: Intel Core Ultra 9 285H
GPU: GeForce RTX 5070 Laptop 8GB
16GB Ram
354 x 246 x 14.9-17.4 mm (13.94 x 9.69 x 0.59-0.69 inches)
Weight: 1.95 kg (4.3 lbs)

Asus Zenbook S 16 UX5606 Key Specs

Launched in September 2024
16.0" Touchscreen - OLED, 16:10 Aspect Ratio Display
CPU: Intel Core Ultra 5 226V
GPU: Intel Arc 130V
16GB Ram
353.6 x 243 x 11.9-12.9 mm (13.92 x 9.57 x 0.47-0.51 inches)
Weight: 1.5 kg (3.31 lbs)

Let's read on the following sections in order to better understand in detail how ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Asus ROG Zephyrus G16 2025 GU605 over Asus Zenbook S 16 UX5606

Refresh Rate	240 Hz vs 120 Hz	Smoother media experience
GPU FLOPS	23.2 TFLOPS vs 3.3 TFLOPS	Dedicated GPU unit
GPU Type	Dedicated vs Integrated	Flexible cable positions
Charging Port Position	Left, Right vs Left	Better Sound capture
Number of Microphones	3 vs 2	Connect more device at the same time
Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2	Easily see the keys under low light
Keyboard Backlight	Yes vs No	Better typing feel
Key Travel	1.7 mm vs 1.1 mm

Reasons to choose Asus Zenbook S 16 UX5606 over Asus ROG Zephyrus G16 2025 GU605

Weight	1.50 kg vs 1.95 kg	0.45 kg lighter
Screen-to-Body Ratio	~86.4% vs ~85.2%	Larger screen area ratio
Side Bezel Thickness	4.5 mm vs 4.7 mm	0.2 mm thinner bezels
Screen PPI	212 ppi vs 189 ppi	More pixels per inch
Touch Screen	Yes vs No	Interact with your fingers
Screen Resolution	2880 x 1800 pixels vs 2560 x 1600 pixels	Higher pixel count screen
GPU Fabrication Process	3 nm vs 4 nm	Newer Generation GPU

Common Strengths of Asus Zenbook S 16 UX5606 and Asus ROG Zephyrus G16 2025 GU605

Launch Dates	January 2025 vs September 2024	Both laptops are recent models
Screen Technology	OLED vs OLED	High Screen Quality
HDR Support	Yes, Dolby Vision vs Yes, HDR10	Watch HDR Clips
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
RAM Type	PCI-E Gen 4.0 (4x) vs PCI-E Gen 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Dolby Atmos Support	Yes vs Yes	3D Surround Sound Support
Thunderbolt Port	v4 vs v4	Fast data and power transfer via Thunderbolt Port
HDMI Output	1x HDMI 2.1 vs 1x HDMI 2.1	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards

Common Weaknesses of Asus Zenbook S 16 UX5606 and Asus ROG Zephyrus G16 2025 GU605

Upgradable RAM	No vs No	No Option to increase the RAM size
Fingerprint Sensor	No vs No	No fingerprint login feature

Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Asus ROG Zephyrus G16 2025 GU605 and the Asus Zenbook S 16 UX5606.

Physical Specs
Weight	1.95 kg (4.3 lbs)	1.5 kg (3.31 lbs)
Surface Area	871 cm2 (135.1 inches2)	859 cm2 (133.2 inches2)
Screen to Surface Ratio	~85.2%	~86.4%
Side Bezel Thickness	~4.7 mm	~4.5 mm
Weight per Inch of Screen	0.12 kg/inch	0.09 kg/inch
	0.264 lbs/inch	0.198 lbs/inch
Colors	White, Black	White, Silver

Comparison of the Asus ROG Zephyrus G16 2025 GU605 and the Asus Zenbook S 16 UX5606 External Dimensions

Weight

ROG Zephyrus G16 2025 GU605 weighs 1.95 kg (4.3 lbs), whereas the Zenbook S 16 UX5606 weighs 1.5 kg (3.31 lbs). There is a notable difference in weight between these two laptops. The weight difference between the two laptops is not significant.

Weight Comparison

Displays size 16.0-16.9 inches

Asus ROG Zephyrus G16 2025 GU605

Asus Zenbook S 16 UX5606

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Thickness Comparison

Displays size 16.0-16.9 inches

Asus ROG Zephyrus G16 2025 GU605

Asus Zenbook S 16 UX5606

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Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the Asus ROG Zephyrus G16 2025 GU605 is 0.12 kg/inch.In comparison, this value for the Asus Zenbook S 16 UX5606 is 0.09 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Microsoft Surface Pro 12: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch

Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core Ultra 9 285H	Intel Core Ultra 5 226V Intel Core Ultra 7 256V Intel Core Ultra 7 258V Intel Core Ultra 9 288V
Base Frequency	2.9 GHz	2.1 GHz
Turbo Frequency	5.4 GHz	4.5 GHz
Number of Cores	16 (6P + 10E)	8 (4P + 4E)
Number of Threads	16	8
L3 Cache	24 MB	8 MB
Integrated GPU	Arc Graphics 140T	Intel Arc Graphics 130V
CPU Fabrication Process	3 nm	3 nm

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the Asus ROG Zephyrus G16 2025 GU605 and Asus Zenbook S 16 UX5606.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: Intel Core Ultra 9 285H

Laptops with: Intel Core Ultra 5 226V

GPU Comparison

GPU Model	GeForce RTX 5070 Laptop 8GB GeForce RTX 5070 Ti Laptop 12GB GeForce RTX 5080 Laptop 16GB GeForce RTX 5090 Laptop 24GB	Intel Arc 130V
Base Clock Frequency	2235 MHz	600 MHz
Boost CLock Frequency	2520 MHz	1850 MHz
TGP (Total Graphics Power)	120 W	15 W
Nvidia Optimus	MUX
Type	Dedicated	Integrated
FLOPS	23.2 TFLOPS	3.3 TFLOPS
Memory Size	8 GB	System Shared
Memory Type	GDDR7	LPDDR5X
Memory Bus	128 bit
Memory Speed	~25.4 Gbps	8.53 Gbps
Shading Units Cores	4608	896
TMUs	144
ROPs	72

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. Asus ROG Zephyrus G16 2025 GU605 has a FLOPS value of 23.2 TFLOPS whereas the Asus Zenbook S 16 UX5606 ' has a FLOPS value of 3.3 TFLOPS. If graphical performance of the laptop is important for your use type, the Asus Zenbook S 16 UX5606 may be the better choice between these two setups.

RAM Comparison

RAM	16GB 32GB 64GB	16GB 32GB
Memory Bus	2x8 GB	2x8 GB
RAM Clock	7467 MHz	8533 MHz
RAM Type	LPDDR5X	LPDDR5X
Upgradable	No	No
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

Both laptops, the ROG Zephyrus G16 2025 GU605 and the Zenbook S 16 UX5606, come with similar RAM capacities of 16 GB, providing comparable performance in memory-intensive tasks.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	Asus ROG Zephyrus G16 (2025) GU605	Asus Zenbook S 16 (UX5606)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✔ Good performance.	✔ Good performance.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	90 Wh	78 Wh
Battery Type	Li-Ion	Li-Ion
Replaceable	No	No
Fast Charging	No	No
Charging Port Position	Left, Right	Left
Charge Power	240 W	65 W

Moreover, the ROG Zephyrus G16 2025 GU605 boasts a larger battery capacity of 90 Wh, offering extended usage time compared to the Zenbook S 16 UX5606's78 Wh.

Battery Comparison

Displays size 16.0-16.9 inches

Asus ROG Zephyrus G16 2025 GU605

Asus Zenbook S 16 UX5606

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STORAGE
With a larger storage capacity up to 4 TB, the ROG Zephyrus G16 2025 GU605 provides more space for storing files and applications compared to the Zenbook S 16 UX5606's max. storage capacity of 2 TB.

Storage Options	1 TB, 2 TB, 4 TB	1 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	2	1
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606: Display Comparison

The display is an essential aspect to consider when comparing the Asus ROG Zephyrus G16 2025 GU605 and Asus Zenbook S 16 UX5606 since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 screens have the same size of 16.0".The total usable screen area of the ROG Zephyrus G16 2025 GU605 is 742cm² / 115inch² whereas the Zenbook S 16 UX5606's total usable screen area is 742cm² / 115inch².

PPI (Pixels per Inch)
Additionally, the Zenbook S 16 UX5606 features a higher pixel density with 212 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 16.0-16.9 inches

Asus ROG Zephyrus G16 2025 GU605

Asus Zenbook S 16 UX5606

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Refresh Rate
The ROG Zephyrus G16 2025 GU605 offers a higher refresh rate of 240 Hz, resulting in smoother motion and improved visual experience.

Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 boast the same response time of 1.0 ms.

Brightness
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 offer the same maximum brightness of 500 nits (cd/m²).

Brightness Comparison

Displays size 16.0-16.9 inches

Asus ROG Zephyrus G16 2025 GU605

Asus Zenbook S 16 UX5606

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Asus ROG Zephyrus G16 2025 GU605 vs Asus Zenbook S 16 UX5606 Connectivity Comparison

In terms of connectivity,

Wifi
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 support the latest Wi-Fi standard v7.

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 have USB-A ports. ROG Zephyrus G16 2025 GU605 has 2x USB 3.2 USB-A ports, while Zenbook S 16 UX5606 has 1x USB 3.2 USB-A ports.
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 feature 2x USB 4.0 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 are equipped with Thunderbolt 4 ports.

HDMI
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 feature an HDMI port (1x HDMI 2.1) for connecting to external monitors.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both ROG Zephyrus G16 2025 GU605 and Zenbook S 16 UX5606 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v7	v7
Bluetooth (latest: v5.4)	v5.4	v5.4
USB-A (latest: 3.2)	2x USB 3.2	1x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 4.0	2x USB 4.0
Thunderbolt (latest: 5)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	Yes	Yes
Proprietary Charging Port	Yes	No