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Company ProductName Specs
Advantages of the Lenovo Flex 5 14
- Good overall build quality
- Very good portability
- Good keyboard
Advantages of the Lenovo IdeaPad Slim 3
- The Lenovo IdeaPad Slim 3 has no clear advantages over the Lenovo Flex 5 14.
Key differences
Screen Quality
6.0
6.4
14.0in
SIZE
15.6in
1920 x 1080
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
60Hz
REFRESH RATE
60Hz
221.0 nits
BRIGHTNESS
281.0 nits
The Lenovo IdeaPad Slim 3 has a better screen than the Lenovo Flex 5 14 for general use, engineering and design, and software development.
PerfectRec’s screen quality scores take into account various important factors that are relevant for different use cases.
Battery
11.5 Hours
10.0 Hours
The Lenovo Flex 5 14 has 11.5 hours of battery life. The Lenovo IdeaPad Slim 3 has 10 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
$572
$650
$300
$400
$500
$600
$700
$800
$900
$1,000
The Lenovo Flex 5 14 has a price of $572 and the Lenovo IdeaPad Slim 3 costs $650.
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Key similarities
General Use
7.0
7.0
1920 x 1080
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
221.0 nits
DISPLAY BRIGHTNESS
281.0 nits
11.5 Hours
BATTERY LIFE
10.0 Hours
7.0/10
KEYBOARD QUALITY SCORE
6.5/10
8.2/10
PORTABILITY SCORE
7.9/10
The Lenovo IdeaPad Slim 3 and Lenovo Flex 5 14 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
5.9
5.9
3.6/10
OVERALL GPU SCORE
3.6/10
1920 x 1080
RESOLUTION
1920 x 1080
60Hz
REFRESH RATE
60Hz
No
SUPPORTS DLSS
No
No
MUX SWITCH / ADVANCED OPTIMUS
No
7.5/10
FAN NOISE SCORE
9.5/10
The Lenovo IdeaPad Slim 3 and Lenovo Flex 5 14 are both poor 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
6.1
6.1
4.6/10
OVERALL CPU SCORE
3.6/10
3.6/10
OVERALL GPU SCORE
3.6/10
16.0 GB
RAM
8.0 GB
The Lenovo IdeaPad Slim 3 and Lenovo Flex 5 14 are both only fair 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
7.0
7.2
4.6/10
OVERALL CPU SCORE
3.6/10
1920 x 1080
RESOLUTION
1920 x 1080
16.0 GB
RAM
8.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Lenovo IdeaPad Slim 3 and Lenovo Flex 5 14 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
7.0
7.1
4.6/10
OVERALL CPU SCORE
3.6/10
16.0 GB
RAM
8.0 GB
1920 x 1080
RESOLUTION
1920 x 1080
7.0/10
KEYBOARD QUALITY SCORE
6.5/10
The Lenovo IdeaPad Slim 3 and Lenovo Flex 5 14 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
Very Good
Good
14.0in
SIZE
15.6in
3.3 lbs
WEIGHT
3.5 lbs
0.7in
THICKNESS
0.7in
Although they have very similar scores, PerfectRec considers Lenovo Flex 5 14 to have very good portability, while the Lenovo IdeaPad Slim 3 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.0
6.5
Although they have very similar scores, PerfectRec considers Lenovo Flex 5 14 to have good build quality, while the Lenovo IdeaPad Slim 3 has only fair build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
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We’re constantly working to improve.
How the Lenovo Flex 5 14 and the Lenovo IdeaPad Slim 3 compare to other laptops
Spec Comparison
 |  | |
| Lenovo Flex 5 14 | Lenovo IdeaPad Slim 3 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$572 | $650 | ||
Release Date | |||
Release Date | October 1, 2021 | March 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 12.7'' x 8.6'' x 0.76'' | 14.2'' x 9.3'' x 0.7'' | |
Weight | |||
Weight | 3.31 lbs | 3.52 lbs | |
Width | |||
Width | 12.65" | 14.15" | |
Depth | |||
Depth | 8.56" | 9.25" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 5 5500U | AMD Ryzen 3 7330U | |
RAM | |||
RAM | 16 GB | 8 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 5 | |
RAM Slots | |||
RAM Slots | 0 | 0 | |
Storage | |||
Storage | 256 GB | 512 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 11.5 Hours | 10 Hours | |
Battery Capacity | |||
Battery Capacity | 52.5 Wh | 47 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 14" | 15.6" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 1920 x 1080 | |
Refresh Rate | |||
Refresh Rate | 60Hz | 60Hz | |
Display Brightness | |||
Display Brightness | 221 nits | 281 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7/10 | 6.5/10 | |
Portability Score | |||
Portability Score | 8.2/10 | 7.9/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | No | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7.5/10 | 9.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7/10 | 6.5/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 6/10 | 6/10 | |
Webcam | |||
Webcam | 720p | 720p | |
Fingerprint Reader | |||
Fingerprint Reader | Yes | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | No | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 1 | 1 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 1 | 2 | |
Thunderbolt Ports | |||
Thunderbolt Ports | 0 | 0 | |
Shopping
Lenovo Flex 5 14
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Dig into reviews and images
NotebookCheck
Allen Ngo | May 2021
"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."
Lenovo IdeaPad Slim 3
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Dig into reviews and images
Rtings
Olivier Martin, Ryan Lim, and John Peroramas | May 2023
"The Lenovo IdeaPad 3i is decent for use as a workstation. Its Intel CPU and integrated graphics can only handle light productivity tasks, not demanding workloads like video editing or 3D graphics. You also can't do any color-critical work because the available displays have a narrow color gamut. It has a good port selection, but its USB-C lacks Thunderbolt 4 support. On the upside, it has a comfortable keyboard and doesn't get hot or loud under load."
Get a great deal on the Lenovo Flex 5 14 or the Lenovo IdeaPad Slim 3
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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Why trust us
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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About the laptop team
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CEO and Laptops Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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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.
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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.
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