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Updated April 10, 2024·
If you prioritize a dual-screen setup for multitasking and don't mind spending more, consider the ASUS Zenbook Duo, which also offers a higher refresh rate for smooth visuals. For a balance of portability, longer battery life, and a 2-in-1 feature that lets you use it as a tablet, the Lenovo Flex 5 may be a more suitable, cost-effective option. Keep in mind that while both share similar processors and graphic power suited for general use, neither are tailored for high-end gaming or intensive engineering software, but the ASUS's higher price reflects its unique dual-display. 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 Duo (2024)
- Very good portability
- Good speakers
Advantages of the Lenovo Flex 5 16
- Very good battery life
- Good keyboard
Key differences
Screen Quality
7.9
7.3
14.0in
SIZE
16.0in
2880 x 1800
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
120Hz
REFRESH RATE
60Hz
400.0 nits
BRIGHTNESS
400.0 nits
The ASUS Zenbook Duo 14 has a better screen than the Lenovo Flex 5 16 for general use, gaming and AI, and engineering and design.
PerfectRec’s screen quality scores take into account various important factors that are relevant for different use cases.
Battery
8.5 Hours
11.5 Hours
The ASUS Zenbook Duo 14 has 8.5 hours of battery life. The Lenovo Flex 5 16 has 11.5 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.
Portability
Very Good
Good
14.0in
SIZE
16.0in
3.6 lbs
WEIGHT
4.6 lbs
0.7in
THICKNESS
0.7in
The ASUS Zenbook Duo (2024) has very good portability, while the Lenovo Flex 5 16 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.8
7.0
The ASUS Zenbook Duo (2024) and Lenovo Flex 5 16 both have good build quality, though the ASUS Zenbook Duo (2024) has somewhat better build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$1,500
$779
$0
$500
$1,000
$1,500
$2,000
$2,500
The ASUS Zenbook Duo (2024) has a price of $1,500 and the Lenovo Flex 5 16 costs $779.
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Key similarities
General Use
7.4
7.6
2880 x 1800
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
400.0 nits
DISPLAY BRIGHTNESS
400.0 nits
8.5 Hours
BATTERY LIFE
11.5 Hours
6.7/10
KEYBOARD QUALITY SCORE
7.0/10
8.0/10
PORTABILITY SCORE
7.4/10
The Lenovo Flex 5 16 and ASUS Zenbook Duo (2024) are both good for general use.
PerfectRec’s General Use Score takes into account the many different features of the laptop that make it more or less suitable for general productivity, web browsing, streaming, video calls, and running a wide variety of apps and programs.
Gaming and AI
6.3
6.2
3.7/10
OVERALL GPU SCORE
3.7/10
2880 x 1800
RESOLUTION
2560 x 1600
120Hz
REFRESH RATE
60Hz
No
SUPPORTS DLSS
No
No
MUX SWITCH / ADVANCED OPTIMUS
No
7.0/10
FAN NOISE SCORE
7.5/10
The ASUS Zenbook Duo (2024) and Lenovo Flex 5 16 are both only fair for gaming and AI.
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.
Engineering and Design
7.1
7.2
5.5/10
OVERALL CPU SCORE
6.9/10
3.7/10
OVERALL GPU SCORE
3.7/10
16.0 GB
RAM
16.0 GB
The Lenovo Flex 5 16 and ASUS Zenbook Duo (2024) are both good for engineering and design.
PerfectRec’s Engineering and Design Score takes into account the many different features of the laptop that make it more or less suitable for graphic design and 3D rendering work.
Content Creation
7.5
7.6
5.5/10
OVERALL CPU SCORE
6.9/10
2880 x 1800
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Lenovo Flex 5 16 and ASUS Zenbook Duo (2024) are both 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
7.5
5.5/10
OVERALL CPU SCORE
6.9/10
16.0 GB
RAM
16.0 GB
2880 x 1800
RESOLUTION
2560 x 1600
6.7/10
KEYBOARD QUALITY SCORE
7.0/10
The Lenovo Flex 5 16 and ASUS Zenbook Duo (2024) 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.
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How the ASUS Zenbook Duo (2024) and the Lenovo Flex 5 16 compare to other laptops
Spec Comparison
 |  | |
| ASUS Zenbook Duo (2024) | Lenovo Flex 5 16 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,500 | $779 | ||
Release Date | |||
Release Date | January 30, 2024 | April 1, 2022 | |
Overall Dimensions | |||
Overall Dimensions | 12.3'' x 8.6'' x 0.78'' | 14.1'' x 10'' x 0.74'' | |
Weight | |||
Weight | 3.64 lbs | 4.63 lbs | |
Width | |||
Width | 12.34" | 14.09" | |
Depth | |||
Depth | 8.58" | 9.99" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i7-1195G7 | Intel i7-1255U | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 4 | |
RAM Slots | |||
RAM Slots | 0 | 0 | |
Storage | |||
Storage | 512 GB | 512 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 8.5 Hours | 11.5 Hours | |
Battery Capacity | |||
Battery Capacity | 70 Wh | 52.5 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 14" | 16" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2880 x 1800 | 2560 x 1600 | |
Refresh Rate | |||
Refresh Rate | 120Hz | 60Hz | |
Display Brightness | |||
Display Brightness | 400 nits | 400 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.8/10 | 7/10 | |
Portability Score | |||
Portability Score | 8/10 | 7.4/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | No | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7/10 | 7.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.8/10 | 7/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 7/10 | 6.8/10 | |
Webcam | |||
Webcam | 720p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | Yes | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 1 | 2 | |
USB-C ports | |||
USB-C ports | 2 | 1 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 2 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | 4 | |
Shopping
ASUS Zenbook Duo (2024)
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Dig into reviews and images
NotebookCheck
Allen Ngo | May 2020
"The Asus ZenBook Duo's second screen is like the Apple Touch Bar, but better. Most would agree that having two screens instead of one can really boost productivity and the ZenBook Duo is no different in this regard. It's tough going back to just one screen after becoming accustomed to spacious dual-screen setups. For a laptop form factor, however, users will have to accept some compromises. Firstly, weight is the most obvious drawback as the system is several hundred grams heavier than a regular ZenBook 14. Additionally, colors on the second screen will not be as vivid as the main display."
Lenovo Flex 5 16
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Dig into reviews and images
NotebookCheck
Andreas Osthoff | April 2023
"The Lenovo IdeaPad Flex 5 is a solidly equipped, 2-in-1 in the lower price segment. Performance is definitely sufficient for everyday tasks and in tests the battery proved itself to be very economical. That aside, there is a lot of standard fare on show and a search for real highlights ends in vain. The low color coverage and reflective display can be avoided by going for an optional 2.5K display but this also presumably results in poorer battery life. The cooling uses only one fan and leads to a raised temperature on one side of the device under load. Additionally, there is very loud fan noise, also under load or when gaming. On top of that, we also occasionally noticed electronic noises."
Get a great deal on the ASUS Zenbook Duo (2024) or the Lenovo Flex 5 16
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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