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Updated January 10, 2024·
For general use, the ASUS ZenBook Pro 14 Duo is less expensive and offers vibrant colors with its OLED screen, which is particularly pleasing for multimedia consumption. It's more portable due to its slightly lighter weight and has a backlit keyboard, but its shorter battery life may be a limiting factor for on-the-go use. In contrast, the Lenovo Slim Pro 9i has a Mini LED display which is brighter and has a higher refresh rate, beneficial for fast motion and engineering applications. It also includes a dedicated Nvidia RTX 4050 GPU, making it better suited for 3D work, machine learning, and gaming. However, it is slightly more expensive and less portable due to its slightly larger size. Both laptops have similar storage and RAM capabilities, with neither having available RAM slots for upgrades. The choice depends on whether you prioritize multimedia and portability (ASUS) or performance in specialized tasks like engineering and gaming (Lenovo). 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 ZenBook Pro 14 Duo
- Best in class speakers
Advantages of the Lenovo Slim Pro 9i
- Good for gaming and AI
- Best in class overall display quality
- Very good overall build quality
- Very good keyboard
Key differences
Gaming and AI
6.7
7.6
3.8/10
OVERALL GPU SCORE
6.9/10
2880 x 1800
RESOLUTION
3072 x 1920
120Hz
REFRESH RATE
165Hz
No
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
No
8.7/10
FAN NOISE SCORE
8.0/10
The Lenovo Slim Pro 9i is good for gaming and AI, while the ASUS ZenBook Pro 14 Duo is only fair.
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.
Screen Quality
8.6
9.6
14.5in
SIZE
14.5in
2880 x 1800
RESOLUTION
3072 x 1920
OLED
DISPLAY TECHNOLOGY
Mini LED
120Hz
REFRESH RATE
165Hz
357.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the ASUS Zenbook Pro 14 Duo for general use, gaming and AI, and engineering and design.
The ASUS ZenBook Pro 14 Duo has a vibrant display with high resolution and brightness, making it suitable for everyday tasks and detailed engineering work that benefits from accurate colors. The Lenovo Slim Pro 9i takes it up a notch with an exceptional display that excels in color accuracy and coverage, key for professional design and photo editing. However, both laptops fall short for gaming and 3D applications as they lack the high refresh rates required for smooth motion rendering, despite their impressive resolution and panel quality.
Cost
$1,299
$1,500
$500
$1,000
$1,500
$2,000
$2,500
The ASUS ZenBook Pro 14 Duo has a price of $1,299 and the Lenovo Slim Pro 9i costs $1,500.
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Key similarities
General Use
8.6
8.5
2880 x 1800
RESOLUTION
3072 x 1920
OLED
DISPLAY TECHNOLOGY
Mini LED
357.0 nits
DISPLAY BRIGHTNESS
618.0 nits
6.0 Hours
BATTERY LIFE
6.0 Hours
7.5/10
KEYBOARD QUALITY SCORE
8.0/10
7.9/10
PORTABILITY SCORE
7.6/10
The ASUS ZenBook Pro 14 Duo and Lenovo Slim Pro 9i are both very good for general use.
The ASUS ZenBook Pro 14 Duo and the Lenovo Slim Pro 9i are both excellent for general use, thanks to their high-quality screens, robust CPUs, abundant RAM, and ample storage which ensure smooth multitasking and media consumption. While the ZenBook Pro 14 Duo offers great color coverage and portability, the Slim Pro 9i stands out with its slightly superior screen brightness and resolution, along with a better keyboard and speaker quality, albeit with a tradeoff in heat management which is only fair compared to the ZenBook's good performance in this area.
Engineering and Design
8.5
8.9
9.1/10
OVERALL CPU SCORE
9.0/10
3.8/10
OVERALL GPU SCORE
6.9/10
32.0 GB
RAM
32.0 GB
The Lenovo Slim Pro 9i and ASUS ZenBook Pro 14 Duo are both very good for engineering and design.
The Lenovo Slim Pro 9i's edge in engineering and design tasks can be attributed to its more advanced CPU and dedicated Nvidia RTX GPU, providing higher performance for demanding software compared to the ASUS ZenBook Pro 14 Duo's Intel CPU and integrated graphics. Although the ASUS model offers a high-quality OLED screen, the Lenovo's Mini LED display with greater brightness and a higher resolution provides sharper and more vibrant visuals which are crucial for design accuracy. Both feature portability and solid build quality, but the Lenovo has a slight advantage in keyboard and speaker quality, which enhances the overall user experience.
Content Creation
8.6
8.5
9.1/10
OVERALL CPU SCORE
9.0/10
2880 x 1800
RESOLUTION
3072 x 1920
32.0 GB
RAM
32.0 GB
OLED
DISPLAY TECHNOLOGY
Mini LED
The ASUS ZenBook Pro 14 Duo and Lenovo Slim Pro 9i 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
8.2
8.3
9.1/10
OVERALL CPU SCORE
9.0/10
32.0 GB
RAM
32.0 GB
2880 x 1800
RESOLUTION
3072 x 1920
7.5/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i and ASUS ZenBook Pro 14 Duo are both very 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.
Battery
6.0 Hours
6.0 Hours
The ASUS Zenbook Pro 14 Duo has 6 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.
Portability
Good
Good
14.5in
SIZE
14.5in
3.7 lbs
WEIGHT
3.7 lbs
0.7in
THICKNESS
0.8in
The ASUS ZenBook Pro 14 Duo and Lenovo Slim Pro 9i both have good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.6
8.0
Although they have very similar scores, PerfectRec considers Lenovo Slim Pro 9i to have very good build quality, while the ASUS ZenBook Pro 14 Duo 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 ZenBook Pro 14 Duo and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| ASUS ZenBook Pro 14 Duo | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,299 | $1,500 | ||
Release Date | |||
Release Date | June 1, 2022 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 12.7'' x 8.9'' x 0.77'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 3.75 lbs | 3.7 lbs | |
Width | |||
Width | 12.74" | 12.9" | |
Depth | |||
Depth | 8.85" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i7-12700H | Intel i7-13705H | |
RAM | |||
RAM | 32 GB | 32 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 0 | 0 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 6 Hours | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 76 Wh | 75 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 14.5" | 14.5" | |
Display Technology | |||
Display Technology | OLED | Mini LED | |
Resolution | |||
Resolution | 2880 x 1800 | 3072 x 1920 | |
Refresh Rate | |||
Refresh Rate | 120Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 357 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.6/10 | 8/10 | |
Portability Score | |||
Portability Score | 7.9/10 | 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 | 8.8/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7.5/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.6/10 | 8/10 | |
Webcam | |||
Webcam | 720p | 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 | 1 | 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 ZenBook Pro 14 Duo
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Dig into reviews and images
PCWorld
Dominic Bayley | December 2022
"The Zenbook Pro 14 Duo OLED is a well-tuned instrument for content creators, excelling at a range of general office tasks as well as tasks that require a little more grunt like encoding and 3D rendering. The big attraction is the laptop’s dual displays. They’re the best ones we’ve used in an Asus Zenbook Duo laptop to date with a spate of year-on-year improvements that make the visuals more striking and the cross-screen integration easier than ever before."
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 ZenBook Pro 14 Duo 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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