The Lenovo Flex 5 14 offers a balance between price and performance, making it suitable for general use with a good battery life and moderate portability. It's less expensive than the Lenovo Slim Pro 9i, which could be a deciding factor if budget is a key consideration. Conversely, the Lenovo Slim Pro 9i stands out with a more powerful processor and graphics, which better suits intensive engineering tasks, 3D work, and machine learning. However, it comes at a higher price and has reduced battery life. Both have touchscreens and similar screen sizes, but the Slim Pro 9i boasts a higher-resolution display, which is ideal for detailed work. If portability and battery life take precedence over performance, the Flex 5 is more suitable, while the Slim Pro 9i is suited for power users needing advanced capabilities. 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 Lenovo Flex 5 14
Very good portability
Very good battery life
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
7.7/10
8.5/10
1920 x 1200
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
277.0 nits
DISPLAY BRIGHTNESS
618.0 nits
11.5 Hours
BATTERY LIFE
6.0 Hours
7.0/10
KEYBOARD QUALITY SCORE
8.0/10
8.3/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the Lenovo Flex 5 14 is good.
The Lenovo Flex 5 14 provides a balance of performance and flexibility suited for general use, including a decent processor and RAM, a convertible 2-in-1 design for tablet use, and a 14-inch screen, all with a solid battery life. The Lenovo Slim Pro 9i enhances the user experience with a more robust CPU, double the RAM for more demanding tasks, a higher-resolution Mini LED display for superior screen quality, and additional premium features like a backlit keyboard and better speakers, though it is slightly heavier and has a reduced battery life in comparison.
Gaming and AI
6.2/10
7.6/10
3.6/10
OVERALL GPU SCORE
6.9/10
1920 x 1200
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 Lenovo Flex 5 14 is only fair.
The Lenovo Slim Pro 9i has a superior Nvidia RTX 4050 graphics card and a higher screen refresh rate of 165Hz, making it better for gaming and 3D applications when compared to the Lenovo Flex 5 14, which is equipped with an integrated AMD Ryzen 7 7730U Vega 8 GPU and a lower refresh rate of 60Hz.
Engineering and Design
7.0/10
8.9/10
6.9/10
OVERALL CPU SCORE
9.0/10
3.6/10
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 Lenovo Flex 5 14 is good.
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
7.6/10
8.5/10
6.9/10
OVERALL CPU SCORE
9.0/10
1920 x 1200
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 Lenovo Flex 5 14 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
7.4/10
8.3/10
6.9/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
1920 x 1200
RESOLUTION
3072 x 1920
7.0/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i is very good for software development, while the Lenovo Flex 5 14 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
6.4/10
9.6/10
14.0in
SIZE
14.5in
1920 x 1200
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
60Hz
REFRESH RATE
165Hz
277.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the Lenovo Flex 5 14 for general use, gaming and AI, engineering and design, content creation, and software development.
For general use, the Lenovo Flex 5 14 provides adequate resolution and brightness, but the Lenovo Slim Pro 9i exceeds in these areas with a superior panel offering crisp visuals and better brightness, enhancing the overall visual experience. In tasks like engineering and design, where color accuracy is crucial, the Slim Pro 9i's coverage of color gamuts like DCI-P3 and Adobe RGB outperforms Flex 5 14, making it preferable for professionals in need of precise color representation. However, for gaming and 3D applications that benefit from higher refresh rates, both the Flex 5 14 and Slim Pro 9i may fall short compared to other laptops designed with fast refresh rates to ensure smoother motion and better gaming performance.
Battery
11.5 Hours
6.0 Hours
The Lenovo Flex 5 14 has 11.5 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
Very Good
Good
14.0in
SIZE
14.5in
3.4 lbs
WEIGHT
3.7 lbs
0.7in
THICKNESS
0.8in
The Lenovo Flex 5 14 has very good portability, while the Lenovo Slim Pro 9i has good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.0/10
8.0/10
The Lenovo Slim Pro 9i has very good build quality, while the Lenovo Flex 5 14 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$950
$1,500
$0
$500
$1,000
$1,500
$2,000
$2,500
The Lenovo Flex 5 14 has a price of $950 and the Lenovo Slim Pro 9i costs $1,500.
"The highlight of the latest IdeaPad Flex 5 14 is clearly its AMD CPU. The octa-core Ryzen 7 5700U is insanely fast even when compared to the best Tiger Lake Ultrabooks in the market or even Core H CPUs in many gaming laptops. It's a lot of raw processing power for what is supposed to be a budget 14-inch convertible. If your daily workloads can benefit from extra multi-thread CPU performance, then look no further than the inexpensive AMD-powered Lenovo IdeaPad Flex 5 14. For regular on-the-road browsing or video streaming, however, a slimmer and lighter 10th gen Core Yoga, Spectre, or XPS would be a more balanced option."
"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 Lenovo Flex 5 14 or the Lenovo Slim Pro 9i
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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