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Updated January 10, 2024·
In choosing between the ASUS ROG Strix Scar 15 and the Lenovo Slim Pro 9i, consider the following tradeoffs: The ASUS typically costs somewhat more and is less portable due to its larger size and weight, which could be a drawback if frequent mobility is a priority. However, it offers robust performance for gaming thanks to its powerful graphics card and high refresh rate display, making it suitable for intensive gaming and engineering tasks. On the other hand, the Lenovo is often somewhat less expensive, lighter, and more portable with a higher resolution touchscreen display, which could enhance productivity and is ideal for general use while still providing solid performance for 3D, machine learning, and engineering. It sports a longer battery life, better screen quality, and more RAM, which benefits multitasking and professional applications. Choose the ASUS if gaming and performance are paramount, or the Lenovo if you need a versatile and portable laptop with high-end features for work and entertainment. 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 Scar 15
- Very good for gaming and AI
Advantages of the Lenovo Slim Pro 9i
- Very good for general use
- Very good for software development
- Best in class overall display quality
- Very good overall build quality
- Good portability
- Good battery life
Key differences
General Use
7.8
8.5
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
283.0 nits
DISPLAY BRIGHTNESS
618.0 nits
5.5 Hours
BATTERY LIFE
6.0 Hours
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
6.9/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the ASUS ROG Strix Scar 15 is good.
The Lenovo Slim Pro 9i surpasses the ASUS ROG Strix Scar 15 in general use largely because of its better portability, improved screen quality with a higher resolution and brightness, and greater RAM capacity; these factors greatly enhance everyday usage and multitasking capabilities. Conversely, while the ASUS offers a high-quality gaming-oriented CPU and GPU, its heavier weight and lower battery life compared to the Lenovo make it less ideal for users who prioritize mobility and longer unplugged performance.
Gaming and AI
8.3
7.6
8.8/10
OVERALL GPU SCORE
6.9/10
1920 x 1080
RESOLUTION
3072 x 1920
300Hz
REFRESH RATE
165Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
6.7/10
FAN NOISE SCORE
8.0/10
The ASUS ROG Strix Scar 15 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
7.4
8.3
9.2/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
1920 x 1080
RESOLUTION
3072 x 1920
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i is very good for software development, while the ASUS ROG Strix Scar 15 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
7.9
9.6
15.6in
SIZE
14.5in
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
300Hz
REFRESH RATE
165Hz
283.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the ASUS ROG Strix Scar 15 for general use, gaming and AI, engineering and design, content creation, and software development.
The ASUS ROG Strix Scar 15 and Lenovo Slim Pro 9i both offer displays with high resolution and brightness, making them excellent for general use where clarity and visibility are vital. For engineering and design tasks, their wide color gamuts ensure accurate color representation, which is crucial for precise work. However, their lower refresh rates, while not affecting general use or engineering tasks significantly, might not be ideal for the fast-paced visuals required in gaming and 3D applications, where smoother motion portrayal is key.
Portability
Fair
Good
15.6in
SIZE
14.5in
5.0 lbs
WEIGHT
3.7 lbs
0.9in
THICKNESS
0.8in
The Lenovo Slim Pro 9i has good portability, while the ASUS ROG Strix Scar 15 has only fair portability.
The most portable laptops are small, thin, and light.
Cost
$2,000
$1,500
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The ASUS ROG Strix Scar 15 has a price of $2,000 and the Lenovo Slim Pro 9i costs $1,500.
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Key similarities
Engineering and Design
8.5
8.9
9.2/10
OVERALL CPU SCORE
9.0/10
8.8/10
OVERALL GPU SCORE
6.9/10
16.0 GB
RAM
32.0 GB
The Lenovo Slim Pro 9i and ASUS ROG Strix Scar 15 are both very good for engineering and design.
The Lenovo Slim Pro 9i is excellent for engineering and design due to its high-resolution Mini LED screen, providing better color accuracy and brightness than the Asus ROG Strix Scar 15's IPS display, as well as double the memory, which is crucial for multitasking and resource-intensive applications.
Content Creation
8.0
8.5
9.2/10
OVERALL CPU SCORE
9.0/10
1920 x 1080
RESOLUTION
3072 x 1920
16.0 GB
RAM
32.0 GB
IPS
DISPLAY TECHNOLOGY
Mini LED
The Lenovo Slim Pro 9i and ASUS ROG Strix Scar 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.
Battery
5.5 Hours
6.0 Hours
The ASUS ROG Strix Scar 15 has 5.5 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.
Build Quality
7.8
8.0
Although they have very similar scores, PerfectRec considers Lenovo Slim Pro 9i to have very good build quality, while the ASUS ROG Strix Scar 15 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
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How the ASUS ROG Strix Scar 15 and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| ASUS ROG Strix Scar 15 | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,000 | $1,500 | ||
Release Date | |||
Release Date | February 1, 2022 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 13.9'' x 10.2'' x 0.98'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 5.07 lbs | 3.7 lbs | |
Width | |||
Width | 13.94" | 12.9" | |
Depth | |||
Depth | 10.2" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i9-12900H | 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 | 5.5 Hours | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 75 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 14.5" | |
Display Technology | |||
Display Technology | IPS | Mini LED | |
Resolution | |||
Resolution | 1920 x 1080 | 3072 x 1920 | |
Refresh Rate | |||
Refresh Rate | 300Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 283 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.8/10 | 8/10 | |
Portability Score | |||
Portability Score | 6.9/10 | 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 | 6.8/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 8.5/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8.8/10 | 8/10 | |
Webcam | |||
Webcam | No Webcam | 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 Strix Scar 15
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Dig into reviews and images
NotebookCheck
Vaidyanathan Subramaniam | May 2022
"Asus continues to refine the ROG Strix Scar lineup with new upgrades. The Asus ROG Strix Scar 15 offers almost everything you would expect from a gaming laptop at this price. The build quality is great, connectivity options are decent, and there is enough scope for internal upgrades as well. Asus reverts to membrane switches for the keyboard — though not as "clickety" as the opto-mechanical ones we saw with last year's model, they still make for a decent typing and gaming experience. The lack of biometrics in any form is a downer."
Lenovo Slim Pro 9i
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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 Strix Scar 15 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.
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