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The PerfectRec laptop team Learn more
Updated January 10, 2024·
For those on a budget preferring a longer battery life and a device with good general performance, the Dell Latitude 5431 would be an efficient choice, especially for everyday tasks and moderate workloads. Conversely, if your workload includes more advanced 3D rendering, machine learning, or intensive gaming, and you require a more powerful processor, higher RAM, and a superior dedicated graphics card, the Lenovo Slim Pro 9i is a premium option to consider. The Lenovo also boasts a higher-resolution touchscreen and a more vibrant display. While it comes at a higher price, it's thinner but slightly heavier than the Dell and has a shorter battery life, making it a tradeoff between portability and advanced performance features. 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
- The Dell Latitude 5431 has no clear advantages over the Lenovo Slim Pro 9i.
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 keyboard
Key differences
General Use
7.5
8.5
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
241.0 nits
DISPLAY BRIGHTNESS
618.0 nits
9.0 Hours
BATTERY LIFE
6.0 Hours
7.0/10
KEYBOARD QUALITY SCORE
8.0/10
7.8/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the Dell Latitude 5431 is good.
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
6.2
7.6
3.7/10
OVERALL GPU SCORE
6.9/10
1920 x 1080
RESOLUTION
3072 x 1920
60Hz
REFRESH RATE
165Hz
No
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
No
8.0/10
FAN NOISE SCORE
8.0/10
The Lenovo Slim Pro 9i is good for gaming and AI, while the Dell Latitude 5431 is only fair.
The Dell Latitude 5431 has an integrated Intel Iris Xe GPU and a screen with a 60Hz refresh rate, which provide adequate but limited gaming and 3D performance. In contrast, the Lenovo Slim Pro 9i is equipped with a more powerful Nvidia RTX 4050 GPU and a higher 165Hz screen refresh rate, enabling better performance for gaming and 3D applications.
Engineering and Design
6.9
8.9
7.1/10
OVERALL CPU SCORE
9.0/10
3.7/10
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 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
8.5
7.1/10
OVERALL CPU SCORE
9.0/10
1920 x 1080
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 Dell Latitude 5431 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
7.3
8.3
7.1/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
1920 x 1080
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 Dell Latitude 5431 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
6.1
9.6
14.0in
SIZE
14.5in
1920 x 1080
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
60Hz
REFRESH RATE
165Hz
241.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the Dell Latitude 5431 for general use, gaming and AI, engineering and design, content creation, and software development.
The Lenovo Slim Pro 9i boasts superior screen quality for general use and engineering due to its high-resolution display with excellent brightness, providing clear and vivid images. It also covers a wide range of colors, necessary for precision in engineering and design. However, its lower refresh rate keeps it from being ideal for gaming and 3D applications, where the Dell Latitude 5431's screen, while adequate for general tasks, falls short for both professional design work and gaming due to less vibrant color reproduction and lower overall display performance.
Battery
9.0 Hours
6.0 Hours
The Dell Latitude 5431 has 9 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.
Build Quality
7.4
8.0
The Lenovo Slim Pro 9i has very good build quality, while the Dell Latitude 5431 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 Dell Latitude 5431 has a price of $950 and the Lenovo Slim Pro 9i costs $1,500.
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Key similarities
Portability
Good
Good
14.0in
SIZE
14.5in
3.3 lbs
WEIGHT
3.7 lbs
0.9in
THICKNESS
0.8in
The Dell Latitude 5431 and Lenovo Slim Pro 9i both have good portability.
The most portable laptops are small, thin, and light.
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We’re constantly working to improve.
How the Dell Latitude 5431 and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| Dell Latitude 5431 | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$950 | $1,500 | ||
Release Date | |||
Release Date | May 1, 2022 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 12.7'' x 8.4'' x 0.96'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 3.3 lbs | 3.7 lbs | |
Width | |||
Width | 12.65" | 12.9" | |
Depth | |||
Depth | 8.35" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i5-1250P | Intel i7-13705H | |
RAM | |||
RAM | 16 GB | 32 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 | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 64 Wh | 75 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 14" | 14.5" | |
Display Technology | |||
Display Technology | IPS | Mini LED | |
Resolution | |||
Resolution | 1920 x 1080 | 3072 x 1920 | |
Refresh Rate | |||
Refresh Rate | 60Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 241 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.4/10 | 8/10 | |
Portability Score | |||
Portability Score | 7.9/10 | 7.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | No | No | |
Premium Business Laptop | |||
Premium Business Laptop | Yes | No | |
Fan Noise Score | |||
Fan Noise Score | 8/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8/10 | 8/10 | |
Webcam | |||
Webcam | 720p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | No | |
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 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 3 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | 4 | |
Shopping
Lenovo Slim Pro 9i
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Dig into reviews and images
PCWorld
Matthew S. Smith | August 2023
"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 Dell Latitude 5431 or the Lenovo Slim Pro 9i
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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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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