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Updated January 10, 2024·
Choose the Dell Latitude 5431 if a higher battery capacity, better heat management, and a focus on business use are priorities for you. It's also slightly lighter, enhancing portability. Opt for the Lenovo Flex 5 14 if you need more storage right out of the box, prefer a touchscreen with higher resolution, and value longer battery life in more general use. Both laptops offer similar performance for engineering tasks, but the Lenovo's higher color coverage may be advantageous for color-sensitive work. Keep in mind, the Lenovo's slightly larger screen and higher resolution come at the cost of a bit more weight and a slightly larger form factor. 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 Dell Latitude 5431
- Very good speakers
Advantages of the Lenovo Flex 5 14
- Good for engineering and design
- Very good portability
- Very good battery life
Key differences
Screen Quality
6.1
6.4
14.0in
SIZE
14.0in
1920 x 1080
RESOLUTION
1920 x 1200
IPS
DISPLAY TECHNOLOGY
IPS
60Hz
REFRESH RATE
60Hz
241.0 nits
BRIGHTNESS
277.0 nits
The Lenovo Flex 5 14 has a better screen than the Dell Latitude 5431 for general use, and engineering and design.
For general use, both the Dell Latitude 5431 and Lenovo Flex 5 14 have screens with adequate resolution and brightness but lack the exceptional clarity or color excellence that some users desire. Those interested in engineering and design might find both laptops' displays provide sufficient detail but fall short in color accuracy and range, which are crucial for professional-grade work. As for gaming and 3D applications, these laptops may not deliver the smooth visuals enthusiasts look for due to lower refresh rates, even though their resolutions and panel technologies provide a baseline for acceptable image quality.
Battery
9.0 Hours
11.5 Hours
The Dell Latitude 5431 has 9 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.
Cost
$1,350
$950
$0
$500
$1,000
$1,500
$2,000
$2,500
The Dell Latitude 5431 has a price of $1,350 and the Lenovo Flex 5 14 costs $950.
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Key similarities
General Use
7.5
7.7
1920 x 1080
RESOLUTION
1920 x 1200
IPS
DISPLAY TECHNOLOGY
IPS
241.0 nits
DISPLAY BRIGHTNESS
277.0 nits
9.0 Hours
BATTERY LIFE
11.5 Hours
7.0/10
KEYBOARD QUALITY SCORE
7.0/10
7.8/10
PORTABILITY SCORE
8.3/10
The Lenovo Flex 5 14 and Dell Latitude 5431 are both good for general use.
The Dell Latitude 5431, with its robust CPU and ample RAM, ensures smooth multitasking and efficient general use, complemented by a combination of a high-quality screen, solid battery life, and good portability. On the other side, the Lenovo Flex 5 14 strikes a balance with a strong CPU, sufficient RAM for general tasks, a quality touchscreen display suitable for various uses, and the flexibility of a 2-in-1 convertible design, though it delivers slightly less battery life.
Gaming and AI
6.2
6.2
3.7/10
OVERALL GPU SCORE
3.6/10
1920 x 1080
RESOLUTION
1920 x 1200
60Hz
REFRESH RATE
60Hz
No
SUPPORTS DLSS
No
No
MUX SWITCH / ADVANCED OPTIMUS
No
8.0/10
FAN NOISE SCORE
7.5/10
The Lenovo Flex 5 14 and Dell Latitude 5431 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
6.9
7.0
7.1/10
OVERALL CPU SCORE
6.9/10
3.7/10
OVERALL GPU SCORE
3.6/10
16.0 GB
RAM
16.0 GB
Although they have very similar scores, PerfectRec considers Lenovo Flex 5 14 to be good for engineering and design, while the Dell Latitude 5431 is only fair.
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
7.4
7.6
7.1/10
OVERALL CPU SCORE
6.9/10
1920 x 1080
RESOLUTION
1920 x 1200
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Lenovo Flex 5 14 and Dell Latitude 5431 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
7.3
7.4
7.1/10
OVERALL CPU SCORE
6.9/10
16.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
1920 x 1200
7.0/10
KEYBOARD QUALITY SCORE
7.0/10
The Lenovo Flex 5 14 and Dell Latitude 5431 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
Very Good
14.0in
SIZE
14.0in
3.3 lbs
WEIGHT
3.4 lbs
0.9in
THICKNESS
0.7in
Although they have very similar scores, PerfectRec considers Lenovo Flex 5 14 to have very good portability, while the Dell Latitude 5431 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
7.4
7.0
The Dell Latitude 5431 and Lenovo Flex 5 14 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 Dell Latitude 5431 and the Lenovo Flex 5 14 compare to other laptops
Spec Comparison
 |  | |
| Dell Latitude 5431 | Lenovo Flex 5 14 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,350 | $950 | ||
Release Date | |||
Release Date | May 1, 2022 | December 1, 2022 | |
Overall Dimensions | |||
Overall Dimensions | 12.7'' x 8.4'' x 0.96'' | 12.3'' x 8.9'' x 0.7'' | |
Weight | |||
Weight | 3.3 lbs | 3.42 lbs | |
Width | |||
Width | 12.65" | 12.32" | |
Depth | |||
Depth | 8.35" | 8.85" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i5-1250P | AMD Ryzen 7 7730U | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 2 | 0 | |
Storage | |||
Storage | 256 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 9 Hours | 11.5 Hours | |
Battery Capacity | |||
Battery Capacity | 64 Wh | 52.5 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 14" | 14" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 1920 x 1200 | |
Refresh Rate | |||
Refresh Rate | 60Hz | 60Hz | |
Display Brightness | |||
Display Brightness | 241 nits | 277 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.4/10 | 7/10 | |
Portability Score | |||
Portability Score | 7.9/10 | 8.3/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | No | No | |
Premium Business Laptop | |||
Premium Business Laptop | Yes | No | |
Fan Noise Score | |||
Fan Noise Score | 8/10 | 7.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7/10 | 7/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8/10 | 6/10 | |
Webcam | |||
Webcam | 720p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 2 | 1 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 2 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | N/A | |
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."
Get a great deal on the Dell Latitude 5431 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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