The ASUS TUF Dash 15 is generally more expensive than the Lenovo Flex 5 16, but it comes with a high-performance graphics card which makes it suitable for intensive gaming, 3D work, and engineering applications. However, the battery life is shorter compared to the Flex 5. The Lenovo Flex 5, less expensive and with longer battery life, also comes with a touchscreen and a higher resolution display, making it more suitable for general use and productivity tasks. Both laptops have similar storage and RAM, but if portability and screen quality for everyday tasks are priorities, the Lenovo might be your choice, while the ASUS is tailored more towards performance demanding tasks. 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 TUF Dash 15
Good for gaming and AI
Good speakers
Advantages of the Lenovo Flex 5 16
Very good battery life
Key differences
Gaming and AI
7.4/10
6.2/10
7.0/10
OVERALL GPU SCORE
3.7/10
1920 x 1080
RESOLUTION
2560 x 1600
144Hz
REFRESH RATE
60Hz
Yes
SUPPORTS DLSS
No
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
6.5/10
FAN NOISE SCORE
7.5/10
The ASUS TUF Dash 15 is good for gaming and AI, while the Lenovo Flex 5 16 is only fair.
The ASUS TUF Dash 15 is preferable for gaming and 3D applications because it's equipped with a powerful Nvidia RTX 3060 graphics card and a high screen refresh rate of 144 Hz, enabling smoother visuals and better performance in graphics-intensive tasks. In contrast, the Lenovo Flex 5 16 has an integrated Intel Iris Xe GPU and a lower refresh rate of 60 Hz, which are less optimal for demanding gaming and 3D work but may be sufficient for casual use.
Engineering and Design
7.8/10
7.2/10
8.7/10
OVERALL CPU SCORE
6.9/10
7.0/10
OVERALL GPU SCORE
3.7/10
16.0 GB
RAM
16.0 GB
The ASUS TUF Dash 15 and Lenovo Flex 5 16 are both good for engineering and design, though the ASUS TUF Dash 15 is somewhat better.
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.
Screen Quality
7.0/10
7.3/10
15.6in
SIZE
16.0in
1920 x 1080
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
144Hz
REFRESH RATE
60Hz
272.0 nits
BRIGHTNESS
400.0 nits
The ASUS TUF Dash 15 has a better screen than the Lenovo Flex 5 16 for gaming and AI, while the Lenovo Flex 5 16 has a better screen for general use, and engineering and design.
The ASUS TUF Dash 15 and Lenovo Flex 5 16 boast displays with sufficient resolution and brightness for day-to-day tasks and detailed work in engineering and design, ensuring clear and vibrant visuals. For engineering and design use, both have good color coverage which is critical for accurate color representation. However, for gaming and 3D, their lower refresh rates might not deliver as smooth an experience as displays specifically geared towards those activities, which often have higher refresh rates to keep up with fast-moving visuals.
Battery
9.0 Hours
11.5 Hours
The ASUS TUF Dash 15 has 9 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.
Cost
$1,150
$779
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
$1,800
The ASUS TUF Dash 15 has a price of $1,150 and the Lenovo Flex 5 16 costs $779.
The Lenovo Flex 5 16 and ASUS TUF Dash 15 are both good for general use.
The ASUS TUF Dash 15 offers excellent performance for general tasks, with a more powerful CPU and GPU compared to the Lenovo Flex 5 16, which may appeal to those prioritizing speed and multitasking ability; however, the Flex 5 stands out with its higher-resolution touchscreen and can function as both a laptop and a tablet, thereby providing more versatility and a better screen quality for media consumption.
Content Creation
7.6/10
7.6/10
8.7/10
OVERALL CPU SCORE
6.9/10
1920 x 1080
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The ASUS TUF Dash 15 and Lenovo Flex 5 16 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
7.4/10
7.5/10
8.7/10
OVERALL CPU SCORE
6.9/10
16.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
2560 x 1600
7.0/10
KEYBOARD QUALITY SCORE
7.0/10
The Lenovo Flex 5 16 and ASUS TUF Dash 15 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.
Portability
Good
Good
15.6in
SIZE
16.0in
4.4 lbs
WEIGHT
4.6 lbs
0.8in
THICKNESS
0.7in
The Lenovo Flex 5 16 and ASUS TUF Dash 15 both have good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.4/10
7.0/10
The ASUS TUF Dash 15 and Lenovo Flex 5 16 both have 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 TUF Dash 15 and the Lenovo Flex 5 16 compare to other laptops
"The Asus TUF Dash F15 FX517ZR is a laptop with mobile RTX 3070 and acceptable battery life. The Asus TUF Dash F15 was made for high-performance applications like video editing, rendering, and gaming. The laptop can manage the latter in QHD resolution and at high to maximum settings. However, the focus isn't on maximum performance, but instead, it's about a compromise between performance and portability."
"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 TUF Dash 15 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.
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