A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
Company ProductName Specs
Company ProductName Specs
What we think
The PerfectRec laptop team Learn more
Updated January 10, 2024·
The ASUS ROG Zephyrus G15 generally costs less and offers better battery life. If extended use without charging and saving money are important to you, it's worth considering. On the other hand, the Razer Blade 15, although typically pricier, has a better webcam and might have slight edges in build quality and display performance. It's also more recent, which may translate to newer technology inside. For heavy tasks like gaming, 3D rendering, and engineering, both are well-equipped but the Razer has a slightly more powerful graphics card. If portability is a key concern, both are similar, but the ASUS has a marginally longer battery life. 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 Zephyrus G15
- Good battery life
- Best in class speakers
Advantages of the Razer Blade 15
- Very good for gaming and AI
- Very good overall display quality
- Excellent keyboard
Key differences
Screen Quality
7.9
8.2
15.6in
SIZE
15.6in
2560 x 1440
RESOLUTION
2560 x 1440
IPS
DISPLAY TECHNOLOGY
IPS
165Hz
REFRESH RATE
240Hz
309.0 nits
BRIGHTNESS
271.0 nits
The Razer Blade 15 has a better screen than the ASUS ROG Zephyrus G15 for gaming and AI, and content creation.
For general use, both the ASUS ROG Zephyrus G15 and the Razer Blade 15 offer vivid displays with high resolution and brightness, enhancing everyday tasks like web browsing and video streaming. In engineering and design, they excel by covering a wide range of colors, making them ideal for professionals who need accurate color representation. However, for gaming and 3D applications, the importance of a high refresh rate means these laptops fall short, as smoother motion is crucial for an optimal experience in fast-paced visuals.
Battery
9.5 Hours
5.0 Hours
The ASUS ROG Zephyrus G15 has 9.5 hours of battery life. The Razer Blade 15 has 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.
Cost
$1,637
$2,500
$500
$1,000
$1,500
$2,000
$2,500
$3,000
$3,500
$4,000
The ASUS ROG Zephyrus G15 has a price of $1,637 and the Razer Blade 15 costs $2,500.
Let Us Help Find Your Perfect Laptop
Find your new laptop
Key similarities
General Use
7.9
7.9
2560 x 1440
RESOLUTION
2560 x 1440
IPS
DISPLAY TECHNOLOGY
IPS
309.0 nits
DISPLAY BRIGHTNESS
271.0 nits
9.5 Hours
BATTERY LIFE
5.0 Hours
6.5/10
KEYBOARD QUALITY SCORE
9.0/10
7.5/10
PORTABILITY SCORE
7.7/10
The Razer Blade 15 and ASUS ROG Zephyrus G15 are both good for general use.
The ASUS ROG Zephyrus G15 excels in general use thanks to its strong CPU and ample RAM, coupled with a high-quality screen, substantial battery life, and considerable portability, while the Razer Blade 15 also delivers in these areas but stands out with its slightly more powerful GPU, thinner design, and additional features like a higher screen refresh rate, which may appeal to users prioritizing smoother visuals and gaming performance.
Gaming and AI
7.5
8.0
7.4/10
OVERALL GPU SCORE
8.0/10
2560 x 1440
RESOLUTION
2560 x 1440
165Hz
REFRESH RATE
240Hz
Yes
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
Yes
6.5/10
FAN NOISE SCORE
7.0/10
Although they have very similar scores, PerfectRec considers Razer Blade 15 to be very good for gaming and AI, while the ASUS ROG Zephyrus G15 is good.
The Razer Blade 15 stands out for gaming and 3D with its better GPU, the Nvidia RTX 3070 Ti, and a higher screen refresh rate of 240Hz, compared to the ASUS ROG Zephyrus G15 which has an Nvidia RTX 3070 GPU and a screen refresh rate of 165Hz. Additionally, both offer quality CPUs and screens, contributing further to a smooth and visually pleasing gaming experience.
Engineering and Design
8.0
8.5
7.5/10
OVERALL CPU SCORE
9.0/10
7.4/10
OVERALL GPU SCORE
8.0/10
16.0 GB
RAM
16.0 GB
The Razer Blade 15 and ASUS ROG Zephyrus G15 are both very good for engineering and design.
The ASUS ROG Zephyrus G15 and Razer Blade 15 are well-suited for engineering and design due to their powerful CPUs, ample RAM, and high-quality GPUs which are crucial for software used in these fields; their screens also offer high resolutions and color accuracy, important for precise visual work. However, the Zephyrus edges out in battery life, making it more portable, while the Blade boasts a slightly better GPU and a higher screen refresh rate, potentially providing smoother visuals.
Content Creation
8.0
8.0
7.5/10
OVERALL CPU SCORE
9.0/10
2560 x 1440
RESOLUTION
2560 x 1440
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The ASUS ROG Zephyrus G15 and Razer Blade 15 are both very good for content creation.
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
7.4
7.7
7.5/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
16.0 GB
2560 x 1440
RESOLUTION
2560 x 1440
6.5/10
KEYBOARD QUALITY SCORE
9.0/10
The Razer Blade 15 and ASUS ROG Zephyrus 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
4.1 lbs
WEIGHT
4.4 lbs
0.7in
THICKNESS
0.6in
The Razer Blade 15 and ASUS ROG Zephyrus G15 both have good portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5
8.5
The ASUS ROG Zephyrus G15 and Razer Blade 15 both have very good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Give feedback
We’re constantly working to improve.
How the ASUS ROG Zephyrus G15 and the Razer Blade 15 compare to other laptops
Spec Comparison
 |  | |
| ASUS ROG Zephyrus G15 | Razer Blade 15 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,637 | $2,500 | ||
Release Date | |||
Release Date | May 1, 2021 | January 1, 2022 | |
Overall Dimensions | |||
Overall Dimensions | 14'' x 9.6'' x 0.78'' | 14'' x 9.3'' x 0.67'' | |
Weight | |||
Weight | 4.19 lbs | 4.4 lbs | |
Width | |||
Width | 13.98" | 13.98" | |
Depth | |||
Depth | 9.57" | 9.25" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 9 5900HS | Intel i7-12800H | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 5 | |
RAM Slots | |||
RAM Slots | 1 | 2 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 9.5 Hours | 5 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 80 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 15.6" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2560 x 1440 | 2560 x 1440 | |
Refresh Rate | |||
Refresh Rate | 165Hz | 240Hz | |
Display Brightness | |||
Display Brightness | 309 nits | 271 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 8.5/10 | |
Portability Score | |||
Portability Score | 7.5/10 | 7.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | Yes | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 6.5/10 | 7/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.5/10 | 9/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.5/10 | 8/10 | |
Webcam | |||
Webcam | No Webcam | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | Yes | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 3 | |
USB-C ports | |||
USB-C ports | 2 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 3 | |
Thunderbolt Version | |||
Thunderbolt Version | N/A | 4 | |
Shopping
ASUS ROG Zephyrus G15
See more
Dig into reviews and images
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."
Razer Blade 15
See more
Dig into reviews and images
NotebookCheck
Allen Ngo | March 2022
"The 2022 Blade 15 offers roughly 15 to 25 percent faster graphics performance and 20 percent faster CPU performance over last year's Core i7-11800H and RTX 3080 model. Thankfully, the system doesn't need to run noticeably louder or warmer to achieve faster results, but both power consumption and battery life take a hit. The higher consumption in particular appears to be a trend amongst many 12th gen Core laptops including the Schenker Uniwill Technology GM7AG8P or MSI Vector GP66 when compared to their previous generation counterparts. We're also glad to not see below-average CPU performance which was the case for the 10th gen Core i7-10875H model."
Get a great deal on the ASUS ROG Zephyrus G15 or the Razer Blade 15
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.
About Razer
Razer is an American-Singaporean technology company. Razer is best known for their Blade series laptops, well known for their strong performance and sleek design. Although Razer charges a premium price tag for their laptops, buyers can expect a stealthy laptop with clean fit and finish and strong performance. All of their models offer great portability and build quality compared to other gaming laptops.
Give feedback
We're constantly perfecting our model
Laptop guides you might be interested in
More comparisons for you
Compare ASUS ROG Zephyrus G15 vs. HP Spectre x360 14
VS
Compare ASUS ROG Zephyrus G15 vs. Lenovo Legion Pro 5i (2024)
VS
Compare ASUS ROG Zephyrus G15 vs. ASUS ROG Zephyrus G14
VS
Compare Razer Blade 15 vs. ASUS ROG Flow X13
VS
Compare Razer Blade 15 vs. ASUS ROG Flow Z13
VS
Compare Razer Blade 15 vs. ASUS ROG Zephyrus G14
VS
FAQs
FAQs about laptops
Why trust us
This information was produced and vetted by the PerfectRec laptops team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest laptop information and makes it digestible for you.
By the numbers
380
Laptops evaluated
48,640
Laptops stats compiled
13
Proprietary Laptops ratings developed
100,995
Recommendations made
21,883
Consumer hours saved
About the laptop team
Joe Golden, Ph.D
CEO and Laptops Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
Craig Russell
Laptops Expert
Craig is a UK-based laptops expert. Craig works in IT, where he recommends and supports laptops and PCs for clients and has been recommending laptops on Reddit for five years.
Featured in
