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·
In choosing between the ASUS ROG Zephyrus M16 and the Lenovo Slim Pro 9i, consider that the ASUS model comes with a higher-end graphics card and a larger 16-inch display, making it more suitable for intensive engineering tasks or gaming. It's slightly heavier and offers a variety of ports. The Lenovo, on the other hand, is lighter and more portable, with a smaller 14.5-inch Mini LED display, which produces better colors, and it has a longer battery life. The Lenovo also offers more RAM, which is beneficial for multitasking and demanding applications. If portability and display quality are your main concerns, go for the Lenovo, but for higher performance in tasks like 3D modeling or gaming, the ASUS would serve you better even though it's less portable. 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 M16
- Very good for gaming and AI
- Best in class speakers
Advantages of the Lenovo Slim Pro 9i
- Very good for general use
- Very good for software development
- Best in class overall display quality
- Good battery life
- Very good keyboard
Key differences
General Use
7.9
8.5
2560 x 1600
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
627.0 nits
DISPLAY BRIGHTNESS
618.0 nits
4.5 Hours
BATTERY LIFE
6.0 Hours
6.5/10
KEYBOARD QUALITY SCORE
8.0/10
7.3/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the ASUS ROG Zephyrus M16 is good.
The ASUS ROG Zephyrus M16, with its powerful CPU and ample RAM, caters well to intensive tasks and gaming, but it's less portable and has a shorter battery life compared to the Lenovo Slim Pro 9i, which offers a balance of high screen quality, longevity on a single charge, and ease of carrying around, making the Lenovo a better fit for those prioritizing everyday use and mobility. Although both have solid keyboards and storage, the ASUS might operate louder and warmer under load, factors less critical for users who value performance over quiet operation and heat management.
Gaming and AI
8.5
7.6
8.9/10
OVERALL GPU SCORE
6.9/10
2560 x 1600
RESOLUTION
3072 x 1920
240Hz
REFRESH RATE
165Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
6.2/10
FAN NOISE SCORE
8.0/10
The ASUS ROG Zephyrus M16 is very good for gaming and AI, while the Lenovo Slim Pro 9i is good.
PerfectRec’s Gaming and AI Score strongly emphasizes graphics processing capability, while also taking into account other factors that impact suitability for gaming and AI work.
Software Development
7.7
8.3
9.5/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
2560 x 1600
RESOLUTION
3072 x 1920
6.5/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i is very good for software development, while the ASUS ROG Zephyrus M16 is good.
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.
Screen Quality
9.0
9.6
16.0in
SIZE
14.5in
2560 x 1600
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
240Hz
REFRESH RATE
165Hz
627.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the ASUS ROG Zephyrus M16 for general use, engineering and design, content creation, and software development.
For general use, the Lenovo Slim Pro 9i offers an exceptional combination of high resolution and brightness, along with a premium panel type that enhances viewing clarity and detail, making it superior for everyday tasks and media consumption. In engineering and design, the Lenovo stands out due to its extensive color gamut coverage, ensuring accurate color representation for professional-grade graphics work. However, for gaming and 3D applications where a high refresh rate is crucial for smooth motion, both laptops fall short, prioritizing screen detail over the fluidity of movement needed in fast-paced visual environments.
Battery
4.5 Hours
6.0 Hours
The ASUS ROG Zephyrus M16 has 4.5 hours of battery life. The Lenovo Slim Pro 9i has 6 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
$2,059
$1,500
$500
$1,000
$1,500
$2,000
$2,500
$3,000
$3,500
The ASUS ROG Zephyrus M16 has a price of $2,059 and the Lenovo Slim Pro 9i costs $1,500.
Let Us Help Find Your Perfect Laptop
Find your new laptop
Key similarities
Engineering and Design
8.8
8.9
9.5/10
OVERALL CPU SCORE
9.0/10
8.9/10
OVERALL GPU SCORE
6.9/10
16.0 GB
RAM
32.0 GB
The Lenovo Slim Pro 9i and ASUS ROG Zephyrus M16 are both very good for engineering and design.
The ASUS ROG Zephyrus M16, with a high-end Intel i9 CPU and a powerful Nvidia RTX 4070 GPU, is excellent for demanding engineering and design tasks but is heavier and louder under load than the Lenovo Slim Pro 9i, which offers a superior Mini LED touchscreen and more RAM for multitasking, though it has a slightly less powerful CPU-GPU combo. The Zephyrus M16 has excellent screen quality for detailed work, while the Slim Pro 9i's smaller size and lighter weight make it more portable without sacrificing performance, making both suitable for engineering and design.
Content Creation
8.2
8.5
9.5/10
OVERALL CPU SCORE
9.0/10
2560 x 1600
RESOLUTION
3072 x 1920
16.0 GB
RAM
32.0 GB
IPS
DISPLAY TECHNOLOGY
Mini LED
The Lenovo Slim Pro 9i and ASUS ROG Zephyrus M16 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.
Portability
Good
Good
16.0in
SIZE
14.5in
4.6 lbs
WEIGHT
3.7 lbs
0.8in
THICKNESS
0.8in
The Lenovo Slim Pro 9i and ASUS ROG Zephyrus M16 both have good portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5
8.0
The ASUS ROG Zephyrus M16 and Lenovo Slim Pro 9i 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 M16 and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| ASUS ROG Zephyrus M16 | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,059 | $1,500 | ||
Release Date | |||
Release Date | March 1, 2023 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14'' x 9.7'' x 0.83'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 4.63 lbs | 3.7 lbs | |
Width | |||
Width | 13.98" | 12.9" | |
Depth | |||
Depth | 9.69" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i9-13900H | Intel i7-13705H | |
RAM | |||
RAM | 16 GB | 32 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 2 | 0 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 4.5 Hours | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 75 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 16" | 14.5" | |
Display Technology | |||
Display Technology | IPS | Mini LED | |
Resolution | |||
Resolution | 2560 x 1600 | 3072 x 1920 | |
Refresh Rate | |||
Refresh Rate | 240Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 627 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 8/10 | |
Portability Score | |||
Portability Score | 7.3/10 | 7.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 6.3/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.5/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.5/10 | 8/10 | |
Webcam | |||
Webcam | 1080p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
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 | 4 | 4 | |
Shopping
ASUS ROG Zephyrus M16
See more
Dig into reviews and images
NotebookCheck
Christian Hintze | March 2023
"The ASUS ROG Zephyrus M16 is not yet as optimised as its predecessor. Compared to the previous gen, performance and efficiency have improved significantly. What's more, the wonderful, Mini-LED Nebula display is a contender for the main highlight and almost manages to put the CPU and GPU in the shade. We already found its predecessor to be a well-rounded and well-optimised gaming machine. Generally, but not unequivocally, that also applies to the new Asus M16. Similar to most of the current, new laptops, we are dealing with a double generational leap in terms of the CPU and GPU. However, this change doesn't always run smoothly."
Lenovo Slim Pro 9i
See more
Dig into reviews and images
PCWorld
Matthew S. Smith | August 2023
"The Lenovo Slim Pro 9i is an impressive laptop with a brilliant Mini-LED display, a powerful 100-watt version of Nvidia RTX 4050 graphics, and excellent connectivity. Having run the Cinebench benchmark again, we were impressed with the CPU performance. That makes the Slim Pro 9i is an easy recommendation, especially for those who care about GPU and CPU performance. It’s also a fantastic choice if you frequently view HDR movies and games on your laptop."
Get a great deal on the ASUS ROG Zephyrus M16 or the Lenovo Slim Pro 9i
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 Lenovo
Lenovo is a Chinese technology company, and one of the largest personal computer vendor. They are well known for a variety of technology products, including laptops. Their consumer series include their entry level IdeaPad and LOQ series and mid-to-high-end Yoga and Legion series. On the business-oriented side, their series include their entry-level ThinkBook series and mid-to-high-end ThinkPad series. Lenovo laptops offer strong performance for reasonable prices, and are often on sale.
Give feedback
We're constantly perfecting our model
Laptop guides you might be interested in
More comparisons for you
Compare ASUS ROG Zephyrus M16 vs. Apple MacBook Pro 16 (2023)
VS
Compare ASUS ROG Zephyrus M16 vs. Gigabyte Aero 17
VS
Compare ASUS ROG Zephyrus M16 vs. ASUS ROG Strix G16 (2024)
VS
Compare Lenovo Slim Pro 9i vs. ASUS TUF Gaming F15
VS
Compare Lenovo Slim Pro 9i vs. ASUS Zenbook Pro 17
VS
Compare Lenovo Slim Pro 9i vs. MSI Creator M14
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
80,595
Recommendations made
17,463
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
