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Updated January 10, 2024·
When choosing between the Gigabyte Aorus 15X and the Lenovo Legion Slim 5i, consider the following tradeoffs. The Aorus 15X has a higher price but offers better performance for 3D rendering, machine learning, and engineering applications due to its more advanced processor and graphics card. It also boasts a high refresh rate display suitable for intensive gaming and tasks requiring precise visuals. However, this model is less portable given its higher weight and lower battery life. In contrast, the Legion Slim 5i is more affordable, lighter, and has a slightly longer battery life, making it more suitable for general use and portability. While it performs well in general tasks and moderate gaming, it's not as powerful for highly demanding software or gaming compared to the Aorus 15X. Both laptops have a good build quality, efficient heat management, and vibrant screen colors, but the Aorus is a more future-proof choice if performance is a priority, while the Lenovo is a cost-effective option with decent capabilities and better mobility. 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 Gigabyte Aorus 15X
- Good portability
Advantages of the Lenovo Legion Slim 5i
- Good battery life
- Very good keyboard
Key differences
Gaming and AI
8.5
8.0
8.9/10
OVERALL GPU SCORE
8.4/10
2560 x 1440
RESOLUTION
2560 x 1600
240Hz
REFRESH RATE
165Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
Yes
6.5/10
FAN NOISE SCORE
6.5/10
The Gigabyte Aorus 15X and Lenovo Legion Slim 5i are both very good for gaming and AI, though the Gigabyte Aorus 15X is somewhat better.
The Gigabyte Aorus 15X excels in gaming and 3D applications due to its higher GPU tier and a screen refresh rate of 240, which offers smooth visuals and can better leverage the graphics performance for fast-paced games. On the other hand, the Lenovo Legion Slim 5i still delivers very good gaming and 3D performance with a capable GPU and a refresh rate of 165, providing a commendable gaming experience with slightly less fluidity in rapid-motion scenarios.
Screen Quality
8.2
8.0
15.6in
SIZE
16.0in
2560 x 1440
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
240Hz
REFRESH RATE
165Hz
301.0 nits
BRIGHTNESS
343.0 nits
The Gigabyte Aorus 15X has a better screen than the Lenovo Legion Slim 5i for gaming and AI.
For general use, the Gigabyte Aorus 15X and Lenovo Legion Slim 5i both showcase vibrant visuals and clear images due to their high-resolution displays and brightness levels, ensuring an enjoyable everyday computing experience. In engineering and design, the adequate representation of color gamuts in both laptops allows for precise color work, though they may not cover the wider ranges that professional-grade monitors offer. However, their less impressive refresh rates mean that for gaming and 3D applications, which demand fluid motion and quick screen updates, these laptops don't provide the optimal experience that high-refresh-rate screens would.
Battery
5.5 Hours
7.0 Hours
The Gigabyte Aorus 15X has 5.5 hours of battery life. The Lenovo Legion Slim 5i 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
$1,600
$1,000
$500
$1,000
$1,500
$2,000
$2,500
The Gigabyte Aorus 15X has a price of $1,600 and the Lenovo Legion Slim 5i costs $1,000.
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Key similarities
General Use
7.8
7.9
2560 x 1440
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
301.0 nits
DISPLAY BRIGHTNESS
343.0 nits
5.5 Hours
BATTERY LIFE
7.0 Hours
7.5/10
KEYBOARD QUALITY SCORE
8.5/10
7.0/10
PORTABILITY SCORE
6.7/10
The Lenovo Legion Slim 5i and Gigabyte Aorus 15X are both good for general use.
The Gigabyte Aorus 15X excels in general use due to its superior CPU and high refresh rate screen, which contribute to smoother performance and visuals, although its heavier build and slightly shorter battery life make it less portable than the Lenovo Legion Slim 5i. The Legion Slim 5i, while it has a slightly less powerful CPU, offers a higher portability score and longer battery life, making it a more convenient option for mobile use, though it has a lower refresh rate screen that could affect its use in fast-paced applications.
Engineering and Design
8.6
8.4
9.9/10
OVERALL CPU SCORE
9.0/10
8.9/10
OVERALL GPU SCORE
8.4/10
16.0 GB
RAM
16.0 GB
The Gigabyte Aorus 15X and Lenovo Legion Slim 5i are both very good for engineering and design.
The Gigabyte Aorus 15X boasts a high-end CPU, ample RAM, and a powerful GPU which together empower intensive tasks like 3D modeling and computational simulations crucial for engineering and design, complemented by a high-quality screen for precision work. Meanwhile, the Lenovo Legion Slim 5i delivers similar performance capabilities with a focus on a balance between power and portability, offering a comfortable keyboard and quieter operation, making it a strong contender for engineers and designers who value mobility and a quieter work environment.
Content Creation
8.0
8.0
9.9/10
OVERALL CPU SCORE
9.0/10
2560 x 1440
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Gigabyte Aorus 15X and Lenovo Legion Slim 5i 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
7.7
7.8
9.9/10
OVERALL CPU SCORE
9.0/10
16.0 GB
RAM
16.0 GB
2560 x 1440
RESOLUTION
2560 x 1600
7.5/10
KEYBOARD QUALITY SCORE
8.5/10
The Lenovo Legion Slim 5i and Gigabyte Aorus 15X 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.
Portability
Good
Fair
15.6in
SIZE
16.0in
5.7 lbs
WEIGHT
5.2 lbs
0.7in
THICKNESS
0.9in
Although they have very similar scores, PerfectRec considers Gigabyte Aorus 15X to have good portability, while the Lenovo Legion Slim 5i has only fair portability.
The most portable laptops are small, thin, and light.
Build Quality
7.4
7.4
The Gigabyte Aorus 15X and Lenovo Legion Slim 5i both have 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 Gigabyte Aorus 15X and the Lenovo Legion Slim 5i compare to other laptops
Spec Comparison
 |  | |
| Gigabyte Aorus 15X | Lenovo Legion Slim 5i |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,600 | $1,000 | ||
Release Date | |||
Release Date | May 1, 2023 | May 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14.1'' x 10.8'' x 0.78'' | 14.2'' x 10.3'' x 0.99'' | |
Weight | |||
Weight | 5.73 lbs | 5.29 lbs | |
Width | |||
Width | 14.1" | 14.16" | |
Depth | |||
Depth | 10.8" | 10.25" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel i9-13900HX | Intel i7-13700H | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 2 | 2 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 5.5 Hours | 7 Hours | |
Battery Capacity | |||
Battery Capacity | 99 Wh | 80 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 16" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2560 x 1440 | 2560 x 1600 | |
Refresh Rate | |||
Refresh Rate | 240Hz | 165Hz | |
Display Brightness | |||
Display Brightness | 301 nits | 343 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 7.4/10 | 7.4/10 | |
Portability Score | |||
Portability Score | 7/10 | 6.7/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | Yes | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 6.5/10 | 6.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 7.5/10 | 8.5/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 7/10 | 7/10 | |
Webcam | |||
Webcam | 1080p | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | No | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | Yes | Yes | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 1 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 3 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | N/A | |
Shopping
Gigabyte Aorus 15X
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Dig into reviews and images
Tom's Hardware
Brandon Hill | February 2023
"The Gigabyte Aorus 15X is a strong showing of Raptor Lake and RTX 4000 series. While the Aorus had trouble keeping up in older games like Grand Theft Auto V, it nudged past the competition in Shadow of the Tomb Raider. It also flexed its next-generation muscle in Far Cry 6 and Borderlands 3. While we were impressed with the overall build quality and design of the Aorus 15X, the keyboard lacked good tactile feedback. The display performed well in real-world testing despite its on-paper shortcoming with brightness, but the speakers are lackluster at best."
Lenovo Legion Slim 5i
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Dig into reviews and images
PCMag
Mark Knapp | August 2023
"The Lenovo Legion Slim 5 Gen 8 acknowledges that a gaming laptop doesn’t have to be as thick as possible and can still ensure adequate cooling when the muscles need flexing. To this end, in the Slim 5 Gen 8, it finds a neat balance of refined, trimmed-down design that still lets its internals cruise (even above their max power ratings). Lenovo then added in some high-end build quality with an altogether excellent keyboard that’s useful for both work and play."
Get a great deal on the Gigabyte Aorus 15X or the Lenovo Legion Slim 5i
About Gigabyte
Gigabyte is a Taiwanese computer hardware manufacturer. While Gigabyte mainly focuses its business on desktop hardware, Gigabyte is known for its value-oriented G series laptops, thin and light Aero series, and performance-oriented Aorus series. Gigabyte laptops offer a strong value proposition to compete with mainstream alternatives.
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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