The ASUS ROG Flow Z13 offers high performance with an advanced processor and dedicated graphics card, best suited for intensive tasks like 3D modeling, machine learning, and gaming. Its design allows it to be used as a tablet or laptop, but it is heavier and has lower battery life compared to the Lenovo Flex 5 16. In contrast, the Lenovo Flex 5 16 is more affordable, lighter, and has longer battery life, making it more portable and suitable for everyday use and moderate work tasks. It also serves as a 2-in-1 convertible for versatile use. If high performance for specialized tasks is a priority and budget allows, the ASUS could be the favorable option; however, if you're looking for value, portability, and all-day use without demanding software requirements, the Lenovo might be the better choice. 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 Flow Z13
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
Very good overall display quality
Very good overall build quality
Excellent portability
Good speakers
Advantages of the Lenovo Flex 5 16
Very good battery life
Key differences
Gaming and AI
7.5/10
6.2/10
6.2/10
OVERALL GPU SCORE
3.7/10
2560 x 1600
RESOLUTION
2560 x 1600
165Hz
REFRESH RATE
60Hz
Yes
SUPPORTS DLSS
No
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
7.2/10
FAN NOISE SCORE
7.5/10
The ASUS ROG Flow Z13 is good for gaming and AI, while the Lenovo Flex 5 16 is only fair.
The ASUS ROG Flow Z13 is better suited for gaming and 3D tasks because it features a more powerful Nvidia RTX 4050 graphics card and a higher screen refresh rate which is beneficial for smoother visuals in fast-paced games. On the other hand, the Lenovo Flex 5 16, while still capable for lighter gaming and 3D tasks, uses an integrated Intel Iris Xe graphics card, which is less powerful than a dedicated GPU, and a lower screen refresh rate, making it less optimal for intensive gaming experiences.
Engineering and Design
8.4/10
7.2/10
9.5/10
OVERALL CPU SCORE
6.9/10
6.2/10
OVERALL GPU SCORE
3.7/10
16.0 GB
RAM
16.0 GB
The ASUS ROG Flow Z13 is very good for engineering and design, while the Lenovo Flex 5 16 is good.
The ASUS ROG Flow Z13 excels in engineering and design mainly due to its superior CPU (Intel i9-13900H), dedicated GPU (Nvidia RTX 4050), and high-quality screen with exceptional color coverage and brightness, allowing for complex computations and precise visual work. In contrast, the Lenovo Flex 5 16, while still good for engineering and design, offers a less powerful CPU (Intel i7-1255U), integrated graphics, and a screen with lower color coverage and brightness, making it more suitable for less intensive tasks despite its better battery life and lower weight enhancing its portability.
Content Creation
8.2/10
7.6/10
9.5/10
OVERALL CPU SCORE
6.9/10
2560 x 1600
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The ASUS ROG Flow Z13 is very good for content creation, while the Lenovo Flex 5 16 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
8.0/10
7.5/10
9.5/10
OVERALL CPU SCORE
6.9/10
16.0 GB
RAM
16.0 GB
2560 x 1600
RESOLUTION
2560 x 1600
7.5/10
KEYBOARD QUALITY SCORE
7.0/10
The ASUS ROG Flow Z13 is very good for software development, while the Lenovo Flex 5 16 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
8.4/10
7.3/10
13.4in
SIZE
16.0in
2560 x 1600
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
165Hz
REFRESH RATE
60Hz
511.0 nits
BRIGHTNESS
400.0 nits
The ASUS ROG Flow Z13 has a better screen than the Lenovo Flex 5 16 for general use, gaming and AI, engineering and design, software development, and content creation.
The ASUS ROG Flow Z13 stands out for general use and engineering due to its high-resolution display and bright panel, delivering sharp visuals and vivid colors which is essential for detail-oriented tasks; however, its lower refresh rate becomes a limit for gaming, making fast-paced scenes less smooth. The Lenovo Flex 5 16, while also providing a good quality picture and color accuracy that benefits general use and tasks like CAD or photo editing, falls short for gaming for similar reasons, as its refresh rate doesn't cater to the rapid motion clarity gamers often need. Both laptops' strengths in color gamut are crucial for engineering and design work, ensuring that colors are represented accurately and consistently which is less critical for general tasks and offer little benefit for gaming, where frame rate and motion definition are more important.
Battery
6.5 Hours
11.5 Hours
The ASUS ROG Flow Z13 has 6.5 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
Excellent
Good
13.4in
SIZE
16.0in
2.6 lbs
WEIGHT
4.6 lbs
0.5in
THICKNESS
0.7in
The ASUS ROG Flow Z13 has excellent portability, while the Lenovo Flex 5 16 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5/10
7.0/10
The ASUS ROG Flow Z13 has very good build quality, while the Lenovo Flex 5 16 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$1,575
$779
$0
$500
$1,000
$1,500
$2,000
$2,500
The ASUS ROG Flow Z13 has a price of $1,575 and the Lenovo Flex 5 16 costs $779.
Although they have very similar scores, PerfectRec considers ASUS ROG Flow Z13 to be very good for general use, while the Lenovo Flex 5 16 is good.
The ASUS ROG Flow Z13 outperforms the Lenovo Flex 5 16 with a higher-end CPU and better GPU, enabling smoother operation for demanding applications and is more suited for portable use due to its lighter weight and smaller size. In contrast, the Lenovo Flex 5 16 offers longer battery life and a larger screen, which may be more convenient for extended use, albeit with less powerful hardware.
Give feedback
We’re constantly working to improve.
How the ASUS ROG Flow Z13 and the Lenovo Flex 5 16 compare to other laptops
"The Asus ROG Flow Z13 is a gaming tablet with powerful Alder Lake i9 CPU. The ROG Flow Z13 impresses with its good cooling. After our review, the impression is predominantly positive. Besides a very fast Alder Lake CPU and stable gaming performance, especially the cooling system is surprisingly effective and quiet. You can use the integrated speakers without any issues while gaming. The 1200p display in the 16:10 format also impresses with good color reproduction and high brightness. Since the battery runtimes aren't particularly long as it is, we wouldn't recommend the optional 4K panel."
"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 ROG Flow Z13 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.
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
102,195
Recommendations made
22,143
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.