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Updated March 22, 2024·
If you're into gaming or require high performance for software applications, the Dell Alienware is designed for that kind of heavy lifting, but be aware it's bulkier and may have shorter battery life than the Lenovo. The Lenovo Slim Pro offers sleek design and better portability with potentially longer battery life, suiting on-the-go use and general productivity tasks. Assess your primary activities; if they're intensive and power-hungry, lean towards the Alienware, while if you prioritize mobility and battery, the Lenovo could serve you better. 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 Alienware m16 R2
- The Dell Alienware m16 R2 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 software development
- Very good for content creation
- Best in class overall display quality
- Good portability
Key differences
General Use
7.9
8.5
2560 x 1600
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
302.0 nits
DISPLAY BRIGHTNESS
618.0 nits
6.0 Hours
BATTERY LIFE
6.0 Hours
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
6.7/10
PORTABILITY SCORE
7.6/10
The Lenovo Slim Pro 9i is very good for general use, while the Dell Alienware m16 R2 is good.
The Dell Alienware m16 R2, with its high-performance CPU and RAM, may be overkill for general use and less portable due to its gaming-focused design, which can affect battery life negatively. In contrast, the Lenovo Slim Pro 9i, while delivering enough processing power and memory for everyday tasks, offers superior screen quality, lighter weight for better portability, and typically longer battery life, making it more suited for general use.
Engineering and Design
8.4
8.9
8.8/10
OVERALL CPU SCORE
9.0/10
8.5/10
OVERALL GPU SCORE
6.9/10
16.0 GB
RAM
32.0 GB
The Lenovo Slim Pro 9i and Dell Alienware m16 R2 are both very good for engineering and design, though the Lenovo Slim Pro 9i is somewhat better.
The Dell Alienware m16 R2, with its high-performance CPU, ample RAM, and powerful GPU, excels in demanding engineering tasks, and its high-quality screen displays crisp and accurate visuals; however, its bulk and operating noise limit its portability and may be distracting. The Lenovo Slim Pro 9i, while also equipped with a robust CPU, sufficient RAM, and a decent GPU, offers a balance with its lighter design and quieter operation, without sacrificing screen quality, making it a solid choice for engineering work with the added benefit of easier travel and less disruptive work sessions.
Content Creation
7.9
8.5
8.8/10
OVERALL CPU SCORE
9.0/10
2560 x 1600
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 Alienware m16 R2 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
7.6
8.3
8.8/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
32.0 GB
2560 x 1600
RESOLUTION
3072 x 1920
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
The Lenovo Slim Pro 9i is very good for software development, while the Dell Alienware m16 R2 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
8.2
9.6
16.0in
SIZE
14.5in
2560 x 1600
RESOLUTION
3072 x 1920
IPS
DISPLAY TECHNOLOGY
Mini LED
240Hz
REFRESH RATE
165Hz
302.0 nits
BRIGHTNESS
618.0 nits
The Lenovo Slim Pro 9i has a better screen than the Dell Alienware m16 R2 for general use, gaming and AI, engineering and design, content creation, and software development.
When evaluating laptops for general use, the Lenovo Slim Pro 9i outshines the Dell Alienware m16 R2 due to its higher resolution and brighter display, which results in crisper text and more vibrant images. For engineering and design work where color accuracy is crucial, both laptops offer exceptional screen quality with wide color gamuts, but the Lenovo edges ahead with slightly better coverage of professional color spaces. However, for gaming and 3D applications where smooth motion is key, both laptops fall short, as they prioritize color and resolution over the high refresh rates that gamers typically look for to reduce motion blur and improve responsiveness.
Portability
Fair
Good
16.0in
SIZE
14.5in
5.7 lbs
WEIGHT
3.7 lbs
0.9in
THICKNESS
0.8in
The Lenovo Slim Pro 9i has good portability, while the Dell Alienware m16 R2 has only fair portability.
The most portable laptops are small, thin, and light.
Cost
$1,650
$1,500
$500
$1,000
$1,500
$2,000
$2,500
The Dell Alienware m16 R2 has a price of $1,650 and the Lenovo Slim Pro 9i costs $1,500.
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Key similarities
Gaming and AI
7.9
7.6
8.5/10
OVERALL GPU SCORE
6.9/10
2560 x 1600
RESOLUTION
3072 x 1920
240Hz
REFRESH RATE
165Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
7.0/10
FAN NOISE SCORE
8.0/10
The Dell Alienware m16 R2 and Lenovo Slim Pro 9i are both good for gaming and AI.
The Dell Alienware m16 R2 has a high-end GPU and a screen with a fast refresh rate, making it excellent for gaming and 3D applications where smooth visuals are key. The Lenovo Slim Pro 9i, while also providing a capable GPU and quality display for gaming, offers a balance with a slightly more portable design and good screen quality for everyday use.
Battery
6.0 Hours
6.0 Hours
The Dell Alienware m16 R2 has 6 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
8.5
8.0
The Dell Alienware m16 R2 and Lenovo Slim Pro 9i both have very 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 Alienware m16 R2 and the Lenovo Slim Pro 9i compare to other laptops
Spec Comparison
 |  | |
| Dell Alienware m16 R2 | Lenovo Slim Pro 9i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,650 | $1,500 | ||
Release Date | |||
Release Date | January 1, 2024 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14.3'' x 9.8'' x 0.93'' | 12.9'' x 9.6'' x 0.85'' | |
Weight | |||
Weight | 5.75 lbs | 3.7 lbs | |
Width | |||
Width | 14.33" | 12.9" | |
Depth | |||
Depth | 9.81" | 9.64" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel Core Ultra 7 155H | 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 | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 6 Hours | 6 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 75 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 16" | 14.5" | |
Display Technology | |||
Display Technology | IPS | Mini LED | |
Resolution | |||
Resolution | 2560 x 1600 | 3072 x 1920 | |
Refresh Rate | |||
Refresh Rate | 240Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 302 nits | 618 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 8/10 | |
Portability Score | |||
Portability Score | 6.8/10 | 7.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 8.5/10 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8.8/10 | 8/10 | |
Webcam | |||
Webcam | 1080p | 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
Dell Alienware m16 R2
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Dig into reviews and images
LaptopMag
Momo Tabari | January 2024
"Alienware’s m16 R2 is a solid gaming laptop that leaves much to be desired, particularly in its quest to fulfill your needs as a product for productivity. Battery life under eight hours and a dim display are both vital issues for something that will accompany you through school projects or a workday. However, the Alienware m16 R2 is an exceedingly powerful gaming laptop, consistently being one of the best in our performance tests when compared against similar products. Even then, its display is lacking color, its fans get pretty darn loud, and its speakers aren’t punchy enough to rise above that noise."
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 Alienware m16 R2 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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