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Updated January 10, 2024·
If your focus is on having the best performance while doing 3D rendering, machine learning, or other engineering tasks, consider the Lenovo Slim Pro 9i, despite its higher price. It features more RAM, a more powerful Intel processor, and an Nvidia GPU that supports ray tracing and DLSS. It also has a better portability score, making it easy to carry around despite its solid build and efficient heat management. For general use, the ASUS Vivobook S 15 offers good performance at a lower price, with decent portability and battery life, but its screen and graphics capabilities fall behind the Lenovo. The Vivobook's larger screen may appeal to some, but keep in mind that it lacks a touchscreen and has a standard display panel type, which doesn't compare to the Mini-LED, higher resolution, touch-enabled display of the Lenovo, which also boasts superior color coverage and sharpness. 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 Vivobook S 15
- The ASUS Vivobook S 15 has no clear advantages over the Lenovo Slim Pro 9i.
Advantages of the Lenovo Slim Pro 9i
- Very good for general use
- Very good for engineering and design
- Good for gaming and AI
- Very good for software development
- Very good for content creation
- Best in class overall display quality
- Very good overall build quality
- Very good speakers
- Very good keyboard
Key differences
General Use
7.7
8.5
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
267.0 nits
DISPLAY BRIGHTNESS
618.0 nits
9.0 Hours
BATTERY LIFE
6.0 Hours
6.7/10
KEYBOARD QUALITY SCORE
8.0/10
7.7/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the ASUS Vivobook S 15 is good.
The Lenovo Slim Pro 9i delivers a superior experience for general use due to its higher RAM, more advanced CPU, better screen quality with higher resolution and brightness, alongside a more compact and slightly lighter build which enhances portability; however, it has a slightly shorter battery life compared to the ASUS Vivobook S 15, meaning you may need to charge it more often. While the Vivobook offers decent performance and a larger screen for a more affordable price, the Slim Pro 9i's top-tier keyboard and speaker quality, alongside its advanced thermal management, make it a preferable choice for those requiring a more premium, high-performing machine for everyday tasks.
Gaming and AI
6.3
7.6
3.7/10
OVERALL GPU SCORE
6.9/10
1920 x 1080
RESOLUTION
3072 x 1920
60Hz
REFRESH RATE
165Hz
No
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
No
7.5/10
FAN NOISE SCORE
8.0/10
The Lenovo Slim Pro 9i is good for gaming and AI, while the ASUS Vivobook S 15 is only fair.
The ASUS Vivobook S 15 is limited in gaming and 3D performance due to its integrated Vega 8 graphics and a standard 60Hz screen refresh rate, while the Lenovo Slim Pro 9i offers superior gaming and 3D capabilities with its dedicated Nvidia RTX 4050 graphics card and a higher 165Hz screen refresh rate.
Engineering and Design
7.1
8.9
7.4/10
OVERALL CPU SCORE
9.0/10
3.7/10
OVERALL GPU SCORE
6.9/10
16.0 GB
RAM
32.0 GB
The Lenovo Slim Pro 9i is very good for engineering and design, while the ASUS Vivobook S 15 is good.
The ASUS Vivobook S 15 is outfitted with an AMD Ryzen CPU and Vega 8 graphics, which are well suited for engineering and design tasks, along with a full HD IPS display; however, the Lenovo Slim Pro 9i elevates performance with a more robust Intel i7 CPU, superior Nvidia RTX 4050 graphics, and a higher resolution Mini LED screen, which is especially beneficial for detailed engineering and design work.
Content Creation
7.6
8.5
7.4/10
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 is very good for content creation, while the ASUS Vivobook S 15 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
7.4
8.3
7.4/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
1920 x 1080
RESOLUTION
3072 x 1920
6.7/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i is very good for software development, while the ASUS Vivobook S 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
6.3
9.6
15.6in
SIZE
14.5in
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
60Hz
REFRESH RATE
165Hz
267.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the ASUS Vivobook S 15 for general use, gaming and AI, engineering and design, content creation, and software development.
The Lenovo Slim Pro 9i stands out for general use and engineering/design work with its high resolution and brightness, which make for vivid and clear images, and the wide color gamuts ensure accurate color representation for creative tasks. Conversely, the ASUS Vivobook S 15 falls short in these areas with lower screen resolution and brightness, limiting the sharpness and vibrancy of the display. However, for gaming and 3D applications, both laptops are not ideal due to their poor refresh rates, leading to less fluid motion and slower response times, which can hinder fast-paced interactive experiences.
Battery
9.0 Hours
6.0 Hours
The ASUS Vivobook S 15 has 9 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
7.0
8.0
The Lenovo Slim Pro 9i has very good build quality, while the ASUS Vivobook S 15 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$908
$1,500
$0
$500
$1,000
$1,500
$2,000
$2,500
The ASUS Vivobook S 15 has a price of $908 and the Lenovo Slim Pro 9i costs $1,500.
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Key similarities
Portability
Good
Good
15.6in
SIZE
14.5in
3.9 lbs
WEIGHT
3.7 lbs
0.7in
THICKNESS
0.8in
The ASUS Vivobook S 15 and Lenovo Slim Pro 9i both have good portability.
The most portable laptops are small, thin, and light.
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How the ASUS Vivobook S 15 and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| ASUS Vivobook S 15 | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$908 | $1,500 | ||
Release Date | |||
Release Date | May 1, 2023 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14.2'' x 9.2'' x 0.74'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 3.97 lbs | 3.7 lbs | |
Width | |||
Width | 14.17" | 12.9" | |
Depth | |||
Depth | 9.17" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 7 5800H | Intel i7-13705H | |
RAM | |||
RAM | 16 GB | 32 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 5 | |
RAM Slots | |||
RAM Slots | 1 | 0 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 9 Hours | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 70 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 | 60Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 267 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7/10 | 8/10 | |
Portability Score | |||
Portability Score | 7.7/10 | 7.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | No | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7.5/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.8/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 6/10 | 8/10 | |
Webcam | |||
Webcam | 720p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | Yes | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | Yes | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 1 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 3 | |
Thunderbolt Version | |||
Thunderbolt Version | N/A | 4 | |
Shopping
ASUS Vivobook S 15
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Dig into reviews and images
NotebookCheck
Mario Petzold | February 2023
"Internals make Asus VivoBook S15 laptop a compelling option. The Asus multimedia laptop may look rather below-average with its modest black chassis, lack of a dedicated GPU, limited RAM and meagre port selection without Thunderbolt support. But your impression of the device will start changing once you set your eyes on its high-contrast OLED capable of producing deep blacks and highly accurate colours. And your opinion will change completely when the VivoBook is switched on. The AMD CPU can effortlessly keep up with powerful rivals from Intel. The integrated Radeon graphics blows away Intel's iGPU when it comes to graphics workloads such as rendering and simpler games."
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 Vivobook S 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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