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Company ProductName Specs
Company ProductName Specs
Advantages of the Dell Inspiron 15 3525
- The Dell Inspiron 15 3525 has no clear advantages over the Lenovo Flex 5 14.
Advantages of the Lenovo Flex 5 14
- Good for software development
- Good overall build quality
- Very good portability
- Very good battery life
- Good keyboard
Key differences
Screen Quality
6.8
6.0
15.6in
SIZE
14.0in
1920 x 1080
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
120Hz
REFRESH RATE
60Hz
259.0 nits
BRIGHTNESS
221.0 nits
The Dell Inspiron 15 3525 has a better screen than the Lenovo Flex 5 14 for general use, gaming and AI, and engineering and design, while the Lenovo Flex 5 14 has a better screen for content creation.
PerfectRec’s screen quality scores take into account various important factors that are relevant for different use cases.
Battery
6.5 Hours
11.5 Hours
The Dell Inspiron 15 3525 has 6.5 hours of battery life. The Lenovo Flex 5 14 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
Good
Very Good
15.6in
SIZE
14.0in
3.7 lbs
WEIGHT
3.4 lbs
0.7in
THICKNESS
0.7in
The Lenovo Flex 5 14 has very good portability, while the Dell Inspiron 15 3525 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
6.2
7.0
The Lenovo Flex 5 14 has good build quality, while the Dell Inspiron 15 3525 has only fair build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$449
$629
$200
$400
$600
$800
$1,000
The Dell Inspiron 15 3525 has a price of $449 and the Lenovo Flex 5 14 costs $629.
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Key similarities
General Use
7.1
7.1
1920 x 1080
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
259.0 nits
DISPLAY BRIGHTNESS
221.0 nits
6.5 Hours
BATTERY LIFE
11.5 Hours
6.5/10
KEYBOARD QUALITY SCORE
7.0/10
7.7/10
PORTABILITY SCORE
8.3/10
The Lenovo Flex 5 14 and Dell Inspiron 15 3525 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
6.1
6.0
3.6/10
OVERALL GPU SCORE
3.6/10
1920 x 1080
RESOLUTION
1920 x 1080
120Hz
REFRESH RATE
60Hz
No
SUPPORTS DLSS
No
No
MUX SWITCH / ADVANCED OPTIMUS
No
7.5/10
FAN NOISE SCORE
7.5/10
The Dell Inspiron 15 3525 and Lenovo Flex 5 14 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
6.5
6.2
5.8/10
OVERALL CPU SCORE
4.6/10
3.6/10
OVERALL GPU SCORE
3.6/10
8.0 GB
RAM
16.0 GB
The Dell Inspiron 15 3525 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
7.1
7.1
5.8/10
OVERALL CPU SCORE
4.6/10
1920 x 1080
RESOLUTION
1920 x 1080
8.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Dell Inspiron 15 3525 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
6.9
7.1
5.8/10
OVERALL CPU SCORE
4.6/10
8.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
1920 x 1080
6.5/10
KEYBOARD QUALITY SCORE
7.0/10
Although they have very similar scores, PerfectRec considers Lenovo Flex 5 14 to be good for software development, while the Dell Inspiron 15 3525 is only fair.
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 Dell Inspiron 15 3525 and the Lenovo Flex 5 14 compare to other laptops
Spec Comparison
 |  | |
| Dell Inspiron 15 3525 | Lenovo Flex 5 14 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$449 | $629 | ||
Release Date | |||
Release Date | March 1, 2022 | March 1, 2022 | |
Overall Dimensions | |||
Overall Dimensions | 14.1'' x 9.3'' x 0.75'' | 12.3'' x 8.9'' x 0.7'' | |
Weight | |||
Weight | 3.71 lbs | 3.42 lbs | |
Width | |||
Width | 14.11" | 12.32" | |
Depth | |||
Depth | 9.27" | 8.85" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 5 5625U | AMD Ryzen 5 5500U | |
RAM | |||
RAM | 8 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 4 | |
RAM Slots | |||
RAM Slots | 2 | 0 | |
Storage | |||
Storage | 512 GB | 512 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 6.5 Hours | 11.5 Hours | |
Battery Capacity | |||
Battery Capacity | 41 Wh | 52.5 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 14" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 1920 x 1080 | |
Refresh Rate | |||
Refresh Rate | 120Hz | 60Hz | |
Display Brightness | |||
Display Brightness | 259 nits | 221 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 6.3/10 | 7/10 | |
Portability Score | |||
Portability Score | 7.8/10 | 8.3/10 | |
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 | 7.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.5/10 | 7/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 6.5/10 | 6/10 | |
Webcam | |||
Webcam | 720p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | No | Yes | |
Number Pad | |||
Number Pad | Yes | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 1 | 1 | |
USB-C Charging | |||
USB-C Charging | No | Yes | |
Display Outputs | |||
Display Outputs | 1 | 2 | |
Thunderbolt Ports | |||
Thunderbolt Ports | 0 | 0 | |
Shopping
Dell Inspiron 15 3525
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Dig into reviews and images
PCMag
Mark Knapp | January 2023
"Dell's Inspiron 15 (3525) is a peppy-enough and affordable-enough home or remote work machine, but it's not very ambitious; it does little to go beyond the basics. More the concern: It’s readily overshadowed by a number of machines that outperform and outclass it. Even if the Inspiron can get the job done today, its competition has the mettle to keep doing the job tomorrow in a way the Inspiron simply can’t promise. Many of its slightly higher-end rivals have to be on sale (and frequently are) to match it on price, but the Inspiron 15 (3525) is outclassed even by some similarly priced options, making it a difficult recommendation."
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."
Get a great deal on the Dell Inspiron 15 3525 or the Lenovo Flex 5 14
About Dell
Dell is a highly recognizable American technology company, and is one of the largest personal computer vendor by market share. Their laptops are very popular for both personal and professional use, and they also own the Alienware brand which makes mid to high end gaming laptops. Their premium XPS range of laptops offer great build quality and portability, while Latitude and Precision laptops are known for reliability, repairability and performance for business users.
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.
By the numbers
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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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