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What we think
The PerfectRec laptop team Learn more
Updated January 10, 2024· Prices updated 24 hours ago
The ASUS ROG Strix G15 offers good performance and gaming capabilities at a slightly lower price, but with shorter battery life and lower screen resolution than the Zephyrus G15. On the other hand, the ASUS ROG Zephyrus G15, while slightly more expensive, provides a higher-resolution display, better color accuracy, longer battery life, and superior graphics performance courtesy of a more powerful GPU. Therefore, if budget is a concern and you're looking for cost-effectiveness with reasonable performance, the Strix G15 is a viable option. However, for those seeking the best visual experience and extended usage without charging, the Zephyrus G15 could be the preferable choice, especially for intensive tasks like 3D rendering or engineering applications. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the ASUS ROG Strix G15
- Good keyboard
Advantages of the ASUS ROG Zephyrus G15
- Very good for engineering and design
- Very good for content creation
- Very good overall build quality
- Good battery life
- Best in class speakers
Key differences
Gaming and AI
7.0
7.5
5.6/10
OVERALL GPU SCORE
7.4/10
1920 x 1080
RESOLUTION
2560 x 1440
144Hz
REFRESH RATE
165Hz
Yes
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
No
7.2/10
FAN NOISE SCORE
6.5/10
The ASUS ROG Zephyrus G15 and ASUS ROG Strix G15 are both good for gaming and AI, though the ASUS ROG Zephyrus G15 is somewhat better.
The ASUS ROG Strix G15 is equipped with an Nvidia RTX 3050 Ti graphics card and a 144Hz screen refresh rate, making it suitable for gaming and 3D applications, but the ASUS ROG Zephyrus G15 comes with a more powerful Nvidia RTX 3070 GPU and a higher 165Hz refresh rate, offering enhanced performance for more demanding gaming and 3D tasks.
Screen Quality
7.1
7.9
15.6in
SIZE
15.6in
1920 x 1080
RESOLUTION
2560 x 1440
IPS
DISPLAY TECHNOLOGY
IPS
144Hz
REFRESH RATE
165Hz
284.0 nits
BRIGHTNESS
309.0 nits
The ASUS ROG Zephyrus G15 has a better screen than the ASUS ROG Strix G15 for general use, gaming and AI, engineering and design, content creation, and software development.
Both the ASUS ROG Strix G15 and Zephyrus G15 have panels with high resolution and brightness, which makes them great for general use and suitable for detailed engineering work due to their wide color gamut, ensuring accurate color representation. However, for gaming and 3D applications, despite these laptops being from a gaming line, they may fall short because their screens have lower refresh rates, which can result in less smooth visuals important in fast-paced games and interactive 3D environments. The Zephyrus edges out slightly in screen quality overall, likely due to even better color accuracy or higher brightness levels, which can be particularly noticeable when working with design applications that benefit from the most vivid and true-to-life colors.
Battery
5.5 Hours
9.5 Hours
The ASUS ROG Strix G15 has 5.5 hours of battery life. The ASUS ROG Zephyrus G15 has 9.5 hours of battery life.
Battery life estimate is based on a mix of common use patterns. More portable and higher performing laptops tend to have less battery life.
Build Quality
7.8
8.5
The ASUS ROG Zephyrus G15 has very good build quality, while the ASUS ROG Strix G15 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$1,249
$2,000
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The ASUS ROG Strix G15 has a price of $1,249 and the ASUS ROG Zephyrus G15 costs $2,000.
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Key similarities
General Use
7.7
7.9
1920 x 1080
RESOLUTION
2560 x 1440
IPS
DISPLAY TECHNOLOGY
IPS
284.0 nits
DISPLAY BRIGHTNESS
309.0 nits
5.5 Hours
BATTERY LIFE
9.5 Hours
7.5/10
KEYBOARD QUALITY SCORE
6.5/10
7.1/10
PORTABILITY SCORE
7.5/10
The ASUS ROG Zephyrus G15 and ASUS ROG Strix G15 are both good for general use.
The ASUS ROG Zephyrus G15 offers superior performance and better screen quality with a higher resolution display, which contributes to its very good rating for general use; it also has a larger battery and lighter weight which improves its portability and battery life. Meanwhile, the ASUS ROG Strix G15, although still delivering good general performance, has a lower resolution screen and a smaller battery capacity, making it less portable and offering shorter battery life in comparison.
Engineering and Design
7.6
8.0
7.8/10
OVERALL CPU SCORE
7.5/10
5.6/10
OVERALL GPU SCORE
7.4/10
16.0 GB
RAM
16.0 GB
Although they have very similar scores, PerfectRec considers ASUS ROG Zephyrus G15 to be very good for engineering and design, while the ASUS ROG Strix G15 is good.
The ASUS ROG Strix G15 offers a solid base for engineering and design thanks to its AMD Ryzen 9 processor and Nvidia RTX graphics card, which are suitable for demanding tasks; however, the ASUS ROG Zephyrus G15 outperforms it with a more powerful graphics card, a higher resolution screen, and an overall better build quality including a superior keyboard and speaker system, making it very good for professional-level engineering design work. While both are reasonably portable, the Zephyrus also leads with a longer battery life and a more premium build, enhancing on-the-go productivity for intensive use cases.
Content Creation
7.7
8.0
7.8/10
OVERALL CPU SCORE
7.5/10
1920 x 1080
RESOLUTION
2560 x 1440
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
Although they have very similar scores, PerfectRec considers ASUS ROG Zephyrus G15 to be very good for content creation, while the ASUS ROG Strix G15 is good.
PerfectRec’s Content Creation Score takes into account the many different features of the laptop that make it more or less suitable for photo editing, video editing and other content creation tasks.
Software Development
7.2
7.4
7.8/10
OVERALL CPU SCORE
7.5/10
16.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
2560 x 1440
7.5/10
KEYBOARD QUALITY SCORE
6.5/10
The ASUS ROG Zephyrus G15 and ASUS ROG Strix G15 are both good for software development.
PerfectRec’s Software Development Score takes into account the many different features of the laptop that make it more or less suitable for software developers.
Portability
Good
Good
15.6in
SIZE
15.6in
4.6 lbs
WEIGHT
4.1 lbs
0.9in
THICKNESS
0.7in
The ASUS ROG Zephyrus G15 and ASUS ROG Strix G15 both have good portability.
The most portable laptops are small, thin, and light.
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How the ASUS ROG Strix G15 and the ASUS ROG Zephyrus G15 compare to other laptops
Spec Comparison
 |  | |
| ASUS ROG Strix G15 | ASUS ROG Zephyrus G15 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,249 | $2,000 | ||
Release Date | |||
Release Date | May 1, 2021 | May 1, 2021 | |
Overall Dimensions | |||
Overall Dimensions | 13.9'' x 10.2'' x 0.92'' | 14'' x 9.6'' x 0.78'' | |
Weight | |||
Weight | 4.63 lbs | 4.19 lbs | |
Width | |||
Width | 13.94" | 13.98" | |
Depth | |||
Depth | 10.2" | 9.57" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 9 5900HX | AMD Ryzen 9 5900HS | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 4 | |
RAM Slots | |||
RAM Slots | 2 | 1 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 5.5 Hours | 9.5 Hours | |
Battery Capacity | |||
Battery Capacity | 56 Wh | 90 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 15.6" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 2560 x 1440 | |
Refresh Rate | |||
Refresh Rate | 144Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 284 nits | 309 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.8/10 | 8.5/10 | |
Portability Score | |||
Portability Score | 7.1/10 | 7.5/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | Yes | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7.3/10 | 6.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7.5/10 | 6.5/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 7.5/10 | 9.5/10 | |
Webcam | |||
Webcam | No Webcam | No Webcam | |
Fingerprint Reader | |||
Fingerprint Reader | No | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 3 | 2 | |
USB-C ports | |||
USB-C ports | 1 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 2 | 3 | |
Thunderbolt Ports | |||
Thunderbolt Ports | 0 | 0 | |
Shopping
ASUS ROG Strix G15
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NotebookCheck
Marius Schell | February 2021
"The ASUS ROG Strix G15 is a successful high-performance 15-inch laptop. The Asus ROG Strix impresses with an elaborate design and fast hardware. The latter can unleash its potential well in the large 15-inch case and achieve a decent performance boost compared to the previous generation. Especially the stunning 300 Hz display as well as the RTX 3070 and its generous TDP give gamers their money's worth. Asus didn't neglect seemingly small details, either, such as the keyboard and the maintenance options. The ROG Strix G15 offers a lot of pure performance and excellent workmanship in a 15-inch format, but connectivity leaves something to be desired."
ASUS ROG Zephyrus G15
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NotebookCheck
Florian Glaser | February 2021
"As long as you're aware of the fact that the GeForce RTX 3080 laptop version can only unfold its potential to a limited extent due to Asus's low TDP setting and that it can be slower than a fast RTX 3070 laptop, the ROG Zephyrus G15 GA503Q cuts a fine figure. One of the biggest highlights turns out to be the WQHD panel, since it attracts customers with 165 Hz, relatively fast response times, FreeSync, and good color-space coverage. Other selling points are the surprisingly rich sound, the long battery life, and the sleek design. In terms of looks, the white edition stands out nicely from the competition."
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About ASUS
ASUS, a Taiwanese electronics brand, is one of the largest personal computer vendor by market share. The majority of their laptops are targeted towards personal use or gaming. Their most popular product lines include the budget-friendly VivoBook, more premium ZenBook, and their TUF and ROG gaming laptops, the latter of which has a reputation for excellent gaming performance.
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Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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