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Updated March 22, 2024·
When choosing between the Dell Alienware m16 R2 and the Lenovo Legion Slim 7, consider that the Alienware likely offers superior gaming and content creation performance, but it may come at a higher cost and with a heavier form factor, impacting portability. The Legion Slim, as the name suggests, is designed to be thinner and lighter, which is easier to carry around, potentially at the expense of some performance and cooling efficiency. Battery life is often better in slimmer models like the Legion, but this can vary based on usage patterns. Consider your primary activities and whether portability or raw power is your main concern. 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
- Very good overall build quality
Advantages of the Lenovo Legion Slim 7 16"
- Very good for general use
- Very good for gaming and AI
- Very good for software development
- Good portability
Key differences
Screen Quality
8.2
8.7
16.0in
SIZE
16.0in
2560 x 1600
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
240Hz
REFRESH RATE
240Hz
302.0 nits
BRIGHTNESS
502.0 nits
The Lenovo Legion Slim 7 has a better screen than the Dell Alienware m16 R2 for general use, gaming and AI, engineering and design, content creation, and software development.
For general use, both the Dell Alienware m16 R2 and the Lenovo Legion Slim 7 offer screens with impressive resolution and brightness, providing a clear and vivid display for everyday tasks like browsing and video streaming. In engineering and design, where accurate color representation is key, their screens excel by covering a wide range of the color spectrum, offering precision in color-critical applications. However, when it comes to gaming and 3D, the lower refresh rates on both models may lead to less smooth visuals, which can be a drawback for fast-paced, immersive experiences where higher refresh rates are preferable.
Portability
Fair
Good
16.0in
SIZE
16.0in
5.7 lbs
WEIGHT
4.4 lbs
0.9in
THICKNESS
0.6in
The Lenovo Legion Slim 7 16" has good portability, while the Dell Alienware m16 R2 has only fair portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5
7.6
The Dell Alienware m16 R2 has very good build quality, while the Lenovo Legion Slim 7 16" has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
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Key similarities
General Use
7.9
8.2
2560 x 1600
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
302.0 nits
DISPLAY BRIGHTNESS
502.0 nits
6.0 Hours
BATTERY LIFE
7.0 Hours
8.5/10
KEYBOARD QUALITY SCORE
8.5/10
6.7/10
PORTABILITY SCORE
7.5/10
Although they have very similar scores, PerfectRec considers Lenovo Legion Slim 7 16" to be very good for general use, while the Dell Alienware m16 R2 is good.
The Dell Alienware m16 R2 offers robust computing power with ample RAM, but its heavier build and shorter battery life make it less convenient for on-the-go use compared to the Lenovo Legion Slim 7 16", which similarly excels in CPU performance and screen quality while providing greater portability and longer battery life, making the Lenovo better suited to a wider range of settings and prolonged use. Additionally, while both have high-quality keyboards and sufficient storage, the Lenovo may have an edge in speaker quality and heat management, which can enhance the user experience during extended sessions.
Gaming and AI
7.9
8.2
8.5/10
OVERALL GPU SCORE
8.3/10
2560 x 1600
RESOLUTION
2560 x 1600
240Hz
REFRESH RATE
240Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
Yes
7.0/10
FAN NOISE SCORE
7.5/10
Although they have very similar scores, PerfectRec considers Lenovo Legion Slim 7 16" to be very good for gaming and AI, while the Dell Alienware m16 R2 is good.
The Dell Alienware m16 R2, with its high-end GPU and fast screen refresh rate, excels in rendering detailed gaming graphics and smooth motion, providing an immersive gaming and 3D experience. The Lenovo Legion Slim 7 16", while also equipped with a capable GPU and good screen refresh rate, offers a balance between performance and slim design, making it a strong contender for gaming and 3D tasks without sacrificing portability.
Engineering and Design
8.4
8.6
8.9/10
OVERALL CPU SCORE
9.2/10
8.5/10
OVERALL GPU SCORE
8.3/10
16.0 GB
RAM
16.0 GB
The Lenovo Legion Slim 7 16" and Dell Alienware m16 R2 are both very good for engineering and design.
The Dell Alienware m16 R2, with its robust CPU, abundant RAM, and high-end GPU, handles demanding engineering software with ease and displays crisp visuals on its quality screen, but it's heavier and often louder under load. In contrast, the Lenovo Legion Slim 7 offers similar performance capabilities for engineering tasks, with a slightly more portable design and a quieter operation, but typically at the expense of less impressive speakers.
Content Creation
8.0
8.3
8.9/10
OVERALL CPU SCORE
9.2/10
2560 x 1600
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Lenovo Legion Slim 7 16" and Dell Alienware m16 R2 are both very 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
7.6
8.0
8.9/10
OVERALL CPU SCORE
9.2/10
16.0 GB
RAM
16.0 GB
2560 x 1600
RESOLUTION
2560 x 1600
8.5/10
KEYBOARD QUALITY SCORE
8.5/10
Although they have very similar scores, PerfectRec considers Lenovo Legion Slim 7 16" to be 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.
Battery
6.0 Hours
7.0 Hours
The Dell Alienware m16 R2 has 6 hours of battery life. The Lenovo Legion Slim 7 has 7 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
$1,650
$1,680
$500
$1,000
$1,500
$2,000
$2,500
The Dell Alienware m16 R2 has a price of $1,650 and the Lenovo Legion Slim 7 16" costs $1,680.
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How the Dell Alienware m16 R2 and the Lenovo Legion Slim 7 16" compare to other laptops
Spec Comparison
 |  | |
| Dell Alienware m16 R2 | Lenovo Legion Slim 7 16" |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,650 | $1,680 | ||
Release Date | |||
Release Date | January 1, 2024 | May 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14.3'' x 9.8'' x 0.93'' | 14.1'' x 10.2'' x 0.69'' | |
Weight | |||
Weight | 5.75 lbs | 4.4 lbs | |
Width | |||
Width | 14.33" | 14.08" | |
Depth | |||
Depth | 9.81" | 10.21" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel Core Ultra 7 155H | AMD Ryzen 7 7840HS | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 2 | 1 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 6 Hours | 7 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 99.9 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 16" | 16" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2560 x 1600 | 2560 x 1600 | |
Refresh Rate | |||
Refresh Rate | 240Hz | 240Hz | |
Display Brightness | |||
Display Brightness | 302 nits | 502 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 7.6/10 | |
Portability Score | |||
Portability Score | 6.8/10 | 7.5/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7/10 | 7.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 8.5/10 | 8.5/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8.8/10 | 8/10 | |
Webcam | |||
Webcam | 1080p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | Yes | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | Yes | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 3 | |
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 | N/A | |
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 Legion Slim 7 16"
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Dig into reviews and images
NotebookCheck
Benjamin Herzig | November 2022
"The Lenovo Legion Slim 7 is a slim Legion notebook that is just as excellent with Nvidia & Intel. However, the Legion Slim 7i slightly sullied by lacklustre battery life. You get a slim aluminium chassis, great input devices, decent port selection, fast high-quality WQXGA display and great performance. Supporting Thunderbolt 4 is one advantage of the Intel/Nvidia model tested in this review. Moreover, this variant has slightly higher CPU performance as well as better GPU performance in certain applications (e.g. CUDA-based apps). The Lenovo Legion S7i is thin, premium and performant – but less efficient than its AMD counterpart."
Get a great deal on the Dell Alienware m16 R2 or the Lenovo Legion Slim 7 16"
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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