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What we think
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Updated January 10, 2024·
The Dell Alienware X17 R2 offers superior performance suitable for intensive gaming, engineering tasks, and 3D/machine learning, but it comes with a higher price tag and less portability, given its larger size and weight. In contrast, the Lenovo IdeaPad Slim 7i Pro is more affordable, lightweight, and has longer battery life, making it ideal for general use and excellent portability, but it's not suited for heavy gaming or highly demanding tasks due to its less powerful processor and integrated graphics. 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
- Very good for general use
- Excellent for engineering and design
- Very good for gaming and AI
- Very good for content creation
- Very good overall display quality
- Very good overall build quality
- Best in class speakers
Advantages of the Lenovo IdeaPad Slim 7i Pro
- Very good portability
- Good battery life
Key differences
General Use
8.2
7.3
1920 x 1080
RESOLUTION
2880 x 1800
IPS
DISPLAY TECHNOLOGY
IPS
367.0 nits
DISPLAY BRIGHTNESS
395.0 nits
2.0 Hours
BATTERY LIFE
8.5 Hours
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
6.0/10
PORTABILITY SCORE
8.7/10
The Dell Alienware X17 R2 is very good for general use, while the Lenovo IdeaPad Slim 7i Pro 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
8.9
6.1
9.3/10
OVERALL GPU SCORE
3.7/10
1920 x 1080
RESOLUTION
2880 x 1800
480Hz
REFRESH RATE
90Hz
Yes
SUPPORTS DLSS
No
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
7.0/10
FAN NOISE SCORE
7.5/10
The Dell Alienware X17 R2 is very good for gaming and AI, while the Lenovo IdeaPad Slim 7i Pro is only fair.
The Dell Alienware X17 R2 stands out in gaming and 3D with its high-end Nvidia RTX 3080 Ti GPU and an extremely high screen refresh rate, enhancing graphics performance and smoothness in fast-paced visuals. In contrast, the Lenovo IdeaPad Slim 7i Pro, with its integrated Iris Xe graphics and a significantly lower refresh rate, offers fair performance which may not be as fluid or detailed in gaming and 3D applications.
Engineering and Design
9.1
7.0
9.4/10
OVERALL CPU SCORE
5.0/10
9.3/10
OVERALL GPU SCORE
3.7/10
32.0 GB
RAM
16.0 GB
The Dell Alienware X17 R2 is excellent for engineering and design, while the Lenovo IdeaPad Slim 7i Pro is good.
The Dell Alienware X17 R2 outperforms the Lenovo IdeaPad Slim 7i Pro for engineering and design due to its more powerful CPU, double the RAM, and a superior dedicated GPU, which are very important for intensive tasks and complex computations. While both have high-quality screens, the Alienware's larger size and higher GPU power better support detailed design work, whereas the IdeaPad offers greater portability and longer battery life which could be advantageous for on-the-go use.
Content Creation
8.3
7.4
9.4/10
OVERALL CPU SCORE
5.0/10
1920 x 1080
RESOLUTION
2880 x 1800
32.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Dell Alienware X17 R2 is very good for content creation, while the Lenovo IdeaPad Slim 7i Pro 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.
Screen Quality
8.5
7.7
17.3in
SIZE
14.0in
1920 x 1080
RESOLUTION
2880 x 1800
IPS
DISPLAY TECHNOLOGY
IPS
480Hz
REFRESH RATE
90Hz
367.0 nits
BRIGHTNESS
395.0 nits
The Dell Alienware X17 R2 has a better screen than the Lenovo IdeaPad Slim 7i Pro for general use, gaming and AI, software development, and content creation.
For general use, the Dell Alienware X17 R2 and Lenovo IdeaPad Slim 7i Pro both offer high resolution and brightness, providing sharp and vivid displays that enhance everyday tasks like browsing and watching videos. Both laptops also cater well to engineering and design with wide color gamuts, ensuring accurate color representation which is crucial for professional photo editing and graphic design. However, for gaming and 3D applications, their screens fall short due to lower refresh rates, which can lead to less smooth visuals, detracting from the immersive and responsive experience desired in fast-paced games and interactive 3D environments.
Battery
2.0 Hours
8.5 Hours
The Dell Alienware X17 R2 has 2 hours of battery life. The Lenovo IdeaPad Slim 7i Pro has 8.5 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.
Portability
Fair
Very Good
17.3in
SIZE
14.0in
6.8 lbs
WEIGHT
3.0 lbs
0.8in
THICKNESS
0.6in
The Lenovo IdeaPad Slim 7i Pro 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 IdeaPad Slim 7i Pro has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$2,000
$799
$0
$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 IdeaPad Slim 7i Pro costs $799.
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Key similarities
Software Development
7.8
7.3
9.4/10
OVERALL CPU SCORE
5.0/10
32.0 GB
RAM
16.0 GB
1920 x 1080
RESOLUTION
2880 x 1800
8.5/10
KEYBOARD QUALITY SCORE
8.0/10
The Dell Alienware X17 R2 and Lenovo IdeaPad Slim 7i Pro 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 IdeaPad Slim 7i Pro compare to other laptops
Spec Comparison
 |  | |
| Dell Alienware X17 R2 | Lenovo IdeaPad Slim 7i Pro |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,000 | $799 | ||
Release Date | |||
Release Date | December 1, 2021 | October 1, 2021 | |
Overall Dimensions | |||
Overall Dimensions | 15.7'' x 11.8'' x 0.82'' | 12.3'' x 8.7'' x 0.62'' | |
Weight | |||
Weight | 6.82 lbs | 3.04 lbs | |
Width | |||
Width | 15.72" | 12.29" | |
Depth | |||
Depth | 11.79" | 8.74" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i9-12900HK | Intel i5-11300H | |
RAM | |||
RAM | 32 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 4 | |
RAM Slots | |||
RAM Slots | 2 | 0 | |
Storage | |||
Storage | 1024 GB | 512 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 2 Hours | 8.5 Hours | |
Battery Capacity | |||
Battery Capacity | 87 Wh | 60.7 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 17.3" | 14" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 1920 x 1080 | 2880 x 1800 | |
Refresh Rate | |||
Refresh Rate | 480Hz | 90Hz | |
Display Brightness | |||
Display Brightness | 367 nits | 395 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 7.8/10 | |
Portability Score | |||
Portability Score | 6.1/10 | 8.8/10 | |
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 | 8/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.5/10 | 7.5/10 | |
Webcam | |||
Webcam | 720p | 720p | |
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 | 2 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | 4 | |
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 IdeaPad Slim 7i Pro
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Dig into reviews and images
NotebookCheck
Allen Ngo | October 2021
"The main selling point of the IdeaPad Slim 7i Pro versus a regular IdeaPad Slim 7 is its faster Core H-series CPU. In reality, the Core i7-11370H is only marginally faster than the U-series Core i7-1165G7 to the point where most users are not likely to notice the benefits. The slight performance uptick comes at the cost of slightly higher power consumption as well meaning owners will have to deal with potentially warmer temperatures or louder fans to compensate. Unless if you happen to be a power user, then the regular non-Pro model will be more than enough. Once you go 90 Hz, you can't go back."
Get a great deal on the Dell Alienware X17 R2 or the Lenovo IdeaPad Slim 7i Pro
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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