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What we think
The PerfectRec laptop team Learn more
Updated January 10, 2024·
For high-end gaming or engineering tasks, the Dell Alienware X17 R2 stands out with its more powerful processor and graphics card, but it's heavier and has shorter battery life. The Lenovo Slim Pro 7 14 offers better portability and longer battery life for lighter tasks and general use, and although it has a higher resolution touchscreen, its performance for intensive applications is less robust. Choose the Alienware for power and gaming, or the Lenovo for portability and everyday productivity tasks. 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 X17 R2
- Excellent for engineering and design
- Very good for gaming and AI
- Very good overall display quality
- Very good overall build quality
- Best in class speakers
- Very good keyboard
Advantages of the Lenovo Slim Pro 7 14
- Very good portability
- Very good battery life
Key differences
Gaming and AI
8.9
6.7
9.3/10
OVERALL GPU SCORE
4.8/10
1920 x 1080
RESOLUTION
2560 x 1600
480Hz
REFRESH RATE
90Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
7.0/10
FAN NOISE SCORE
8.0/10
The Dell Alienware X17 R2 is very good for gaming and AI, while the Lenovo Slim Pro 7 14 is only fair.
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
9.1
7.7
9.4/10
OVERALL CPU SCORE
7.9/10
9.3/10
OVERALL GPU SCORE
4.8/10
32.0 GB
RAM
16.0 GB
The Dell Alienware X17 R2 is excellent for engineering and design, while the Lenovo Slim Pro 7 14 is good.
The Dell Alienware X17 R2 stands out for engineering and design use due to its high-performance CPU, superior GPU, and ample RAM which directly influence computing speed and graphics rendering, although it is less portable and has a lower-resolution screen compared to the Lenovo Slim Pro 7 14. The Lenovo Slim Pro 7 14 offers better portability, a higher resolution screen with touch capability, but has a less powerful GPU and less RAM, which may affect performance during complex tasks.
Screen Quality
8.5
7.4
17.3in
SIZE
14.5in
1920 x 1080
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
480Hz
REFRESH RATE
90Hz
367.0 nits
BRIGHTNESS
334.0 nits
The Dell Alienware X17 R2 has a better screen than the Lenovo Slim Pro 7 14 for general use, gaming and AI, engineering and design, and content creation.
For general use, the Dell Alienware's high-resolution display with vibrant colors offers clarity and detail, while its brightness ensures comfortable viewing even in well-lit environments, demands that the Lenovo Slim Pro 7 also meets but with less vivid colors. During engineering and design tasks, the broad color coverage of the Dell Alienware provides accurate color representation, critical for professionals, a feature that is satisfactory but not as expansive on the Lenovo. However, for gaming and 3D applications, the Dell falls short due to a lower refresh rate, which makes for less fluid visuals compared to laptops designed specifically for those purposes, an area where the Lenovo similarly struggles.
Battery
2.0 Hours
12.0 Hours
The Dell Alienware X17 R2 has 2 hours of battery life. The Lenovo Slim Pro 7 14 has 12 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
Fair
Very Good
17.3in
SIZE
14.5in
6.8 lbs
WEIGHT
3.5 lbs
0.8in
THICKNESS
0.6in
The Lenovo Slim Pro 7 14 has very good portability, while the Dell Alienware X17 R2 has only fair portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5
7.8
The Dell Alienware X17 R2 has very good build quality, while the Lenovo Slim Pro 7 14 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$2,000
$1,200
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The Dell Alienware X17 R2 has a price of $2,000 and the Lenovo Slim Pro 7 14 costs $1,200.
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Key similarities
General Use
8.2
8.0
1920 x 1080
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
367.0 nits
DISPLAY BRIGHTNESS
334.0 nits
2.0 Hours
BATTERY LIFE
12.0 Hours
8.5/10
KEYBOARD QUALITY SCORE
7.0/10
6.0/10
PORTABILITY SCORE
8.4/10
The Dell Alienware X17 R2 and Lenovo Slim Pro 7 14 are both very 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.
Content Creation
8.3
8.0
9.4/10
OVERALL CPU SCORE
7.9/10
1920 x 1080
RESOLUTION
2560 x 1600
32.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Dell Alienware X17 R2 and Lenovo Slim Pro 7 14 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
7.8
7.8
9.4/10
OVERALL CPU SCORE
7.9/10
32.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
2560 x 1600
8.5/10
KEYBOARD QUALITY SCORE
7.0/10
The Lenovo Slim Pro 7 14 and Dell Alienware X17 R2 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.
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How the Dell Alienware X17 R2 and the Lenovo Slim Pro 7 14 compare to other laptops
Spec Comparison
 |  | |
| Dell Alienware X17 R2 | Lenovo Slim Pro 7 14 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,000 | $1,200 | ||
Release Date | |||
Release Date | December 1, 2021 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 15.7'' x 11.8'' x 0.82'' | 12.9'' x 8.9'' x 0.61'' | |
Weight | |||
Weight | 6.82 lbs | 3.5 lbs | |
Width | |||
Width | 15.72" | 12.91" | |
Depth | |||
Depth | 11.79" | 8.92" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i9-12900HK | AMD Ryzen 7 7735HS | |
RAM | |||
RAM | 32 GB | 16 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 | 2 Hours | 12 Hours | |
Battery Capacity | |||
Battery Capacity | 87 Wh | 73 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 17.3" | 14.5" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 2560 x 1600 | |
Refresh Rate | |||
Refresh Rate | 480Hz | 90Hz | |
Display Brightness | |||
Display Brightness | 367 nits | 334 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 7.8/10 | |
Portability Score | |||
Portability Score | 6.1/10 | 8.4/10 | |
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 | 7/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.5/10 | 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 | 1 | |
USB-C ports | |||
USB-C ports | 2 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 4 | 3 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | N/A | |
Shopping
Dell Alienware X17 R2
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Dig into reviews and images
NotebookCheck
Allen Ngo | May 2022
"The Alienware x17 R2 recognizes targets a significantly higher TGP of 175 W for a roughly 30 percent performance boost over laptops running on the ~100 W GeForce RTX 3080 Ti like the Razer Blade 15 or Gigabyte Aero YE5. Similar results can be found through the CPU as well. This single aspect of the Alienware is perhaps the biggest differentiating factor between it and other ultrathin gaming laptops. Of course, the "performance at all cost" approach comes with drawbacks. Power consumption in particular is through the roof and battery life suffers because of it even when on the lowest performance settings."
Lenovo Slim Pro 7 14
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Dig into reviews and images
PCWorld
Matthew S. Smith | May 2023
"The Lenovo Slim Pro 7 is an attractive, portable laptop that’s ideal if you need a combination of CPU and GPU performance. It also nails the fundamentals with solid connectivity, an enjoyable keyboard, a large touchpad, and top-notch webcam. Display quality is a weakness, but it’s an acceptable compromise for the laptop’s extremely competitive $1,199 MSRP. The Slim Pro 7 is a versatile, affordable laptop and hard to beat for the price."
Get a great deal on the Dell Alienware X17 R2 or the Lenovo Slim Pro 7 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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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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