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Updated March 21, 2024·
When choosing between the MSI Stealth 18 AI Studio and the MSI Stealth GS66, consider the main purpose of your laptop. If your work involves heavy graphics processing, such as 3D rendering or machine learning tasks, the AI Studio model offers specialized hardware for creative professionals, leading to smoother performance in those areas. However, if you're looking for a balance between gaming and productivity with a focus on portability, the GS66 provides a more versatile option with features geared towards a wider range of general and gaming use, while also being easier to carry around due to its lighter and thinner design. Keep in mind, the battery life may vary, with the GS66 likely offering longer unplugged usage, which could be a deciding factor if you often work on the go. 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 MSI Stealth 18 AI Studio
- Very good for general use
- Excellent for engineering and design
- Very good for gaming and AI
- Very good for software development
- Very good for content creation
- Good battery life
Advantages of the MSI Stealth GS66
- Good portability
Key differences
General Use
8.4
7.7
2560 x 1600
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
305.0 nits
DISPLAY BRIGHTNESS
280.0 nits
6.0 Hours
BATTERY LIFE
5.5 Hours
8.5/10
KEYBOARD QUALITY SCORE
8.5/10
6.0/10
PORTABILITY SCORE
7.5/10
The MSI Stealth 18 AI Studio is very good for general use, while the MSI Stealth GS66 is good.
The MSI Stealth 18 AI Studio offers a high-end CPU and ample RAM for smooth multitasking, along with a superior screen quality for vivid visuals, though at the expense of battery life and portability due to its large size. Whereas, the MSI Stealth GS66, while also providing strong CPU performance and sufficient RAM for daily tasks, strikes a better balance in portability and battery endurance, making it easier to carry around, but trades off a bit of screen real estate and peak performance that the 18-inch model provides.
Gaming and AI
8.9
7.8
9.7/10
OVERALL GPU SCORE
7.8/10
2560 x 1600
RESOLUTION
1920 x 1080
240Hz
REFRESH RATE
360Hz
Yes
SUPPORTS DLSS
Yes
Yes
MUX SWITCH / ADVANCED OPTIMUS
No
7.5/10
FAN NOISE SCORE
7.5/10
The MSI Stealth 18 AI Studio is very good for gaming and AI, while the MSI Stealth GS66 is good.
The MSI Stealth 18 AI Studio offers a more powerful GPU, which greatly enhances gaming and 3D performance, and typically has a higher screen refresh rate for smoother visuals. While the MSI Stealth GS66 also delivers a solid gaming experience, its GPU may not be as robust as the 18 AI Studio's, and despite a quality screen, it may have a lower refresh rate, making it less ideal for the most demanding gaming and 3D tasks.
Engineering and Design
9.1
8.2
9.6/10
OVERALL CPU SCORE
9.1/10
9.7/10
OVERALL GPU SCORE
7.8/10
32.0 GB
RAM
16.0 GB
The MSI Stealth 18 AI Studio is excellent for engineering and design, while the MSI Stealth GS66 is very good.
The MSI Stealth 18 AI Studio offers top-tier CPU and GPU performance paired with ample RAM and a high-quality screen suitable for demanding engineering applications, while the MSI Stealth GS66, although slightly less powerful, still provides a very good level of performance and screen quality with added benefits of easier portability and a more comfortable keyboard for extended use. However, the Stealth 18 AI might produce more operating noise and be less convenient to carry compared to the Stealth GS66, which balances sound and mobility better but at the cost of some performance.
Content Creation
8.5
7.7
9.6/10
OVERALL CPU SCORE
9.1/10
2560 x 1600
RESOLUTION
1920 x 1080
32.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The MSI Stealth 18 AI Studio is very good for content creation, while the MSI Stealth GS66 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
8.2
7.5
9.6/10
OVERALL CPU SCORE
9.1/10
32.0 GB
RAM
16.0 GB
2560 x 1600
RESOLUTION
1920 x 1080
8.5/10
KEYBOARD QUALITY SCORE
8.5/10
The MSI Stealth 18 AI Studio is very good for software development, while the MSI Stealth GS66 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
8.4
8.1
18.0in
SIZE
15.6in
2560 x 1600
RESOLUTION
1920 x 1080
IPS
DISPLAY TECHNOLOGY
IPS
240Hz
REFRESH RATE
360Hz
305.0 nits
BRIGHTNESS
280.0 nits
The MSI Stealth 18 AI Studio has a better screen than the MSI Stealth GS66 for general use, engineering and design, software development, and content creation.
The MSI Stealth 18 AI Studio likely offers higher resolution and superior brightness, which enhances general use experiences like web browsing or document editing, while its color accuracy appeals to engineers and designers. However, for gaming and 3D, where high refresh rates are critical for smooth visuals, this laptop falls short. The MSI Stealth GS66, while still providing satisfactory resolution and decent brightness for everyday tasks, might not reach the color fidelity required by professionals in engineering and design, and similarly lacks the high refresh rate preferred for gaming and 3D applications.
Portability
Fair
Good
18.0in
SIZE
15.6in
6.1 lbs
WEIGHT
4.6 lbs
0.9in
THICKNESS
0.7in
The MSI Stealth GS66 has good portability, while the MSI Stealth 18 AI Studio has only fair portability.
The most portable laptops are small, thin, and light.
Cost
$2,900
$1,799
$500
$1,000
$1,500
$2,000
$2,500
$3,000
$3,500
$4,000
The MSI Stealth 18 AI Studio has a price of $2,900 and the MSI Stealth GS66 costs $1,799.
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Key similarities
Battery
6.0 Hours
5.5 Hours
The MSI Stealth 18 AI Studio has 6 hours of battery life. The MSI Stealth GS66 has 5.5 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.
Build Quality
8.0
8.0
The MSI Stealth 18 AI Studio and MSI Stealth GS66 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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We’re constantly working to improve.
How the MSI Stealth 18 AI Studio and the MSI Stealth GS66 compare to other laptops
Spec Comparison
 |  | |
| MSI Stealth 18 AI Studio | MSI Stealth GS66 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,900 | $1,799 | ||
Release Date | |||
Release Date | March 1, 2024 | April 1, 2022 | |
Overall Dimensions | |||
Overall Dimensions | 15.8'' x 11.4'' x 0.94'' | 14.2'' x 9.7'' x 0.71'' | |
Weight | |||
Weight | 6.15 lbs | 4.63 lbs | |
Width | |||
Width | 15.75" | 14.17" | |
Depth | |||
Depth | 11.4" | 9.65" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | Intel Core Ultra 9 185H | Intel i7-12700H | |
RAM | |||
RAM | 32 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 5 | 5 | |
RAM Slots | |||
RAM Slots | 2 | 2 | |
Storage | |||
Storage | 1024 GB | 512 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 6 Hours | 5.5 Hours | |
Battery Capacity | |||
Battery Capacity | 99.9 Wh | 99.9 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 18" | 15.6" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2560 x 1600 | 1920 x 1080 | |
Refresh Rate | |||
Refresh Rate | 240Hz | 360Hz | |
Display Brightness | |||
Display Brightness | 305 nits | 280 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8/10 | 8/10 | |
Portability Score | |||
Portability Score | 6/10 | 7.5/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | Yes | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 7.5/10 | 7.5/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 8.5/10 | 8.5/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 8/10 | 8/10 | |
Webcam | |||
Webcam | 1080p | 720p | |
Fingerprint Reader | |||
Fingerprint Reader | Yes | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | Yes | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 2 | |
USB-C ports | |||
USB-C ports | 2 | 3 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 4 | |
Thunderbolt Version | |||
Thunderbolt Version | 4 | 4 | |
Shopping
MSI Stealth GS66
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Dig into reviews and images
NotebookCheck
Florian Glaser | February 2022
"The MSI Stealth GS66 is powerful enough for QHD. The Core i7-12700H and the GeForce RTX 3070 Ti found in the 12UGS model that we tested run all modern games smoothly in the native QHD resolution. The 15-inch display is very fast with its 240 Hz refresh rate, and it also offers a great color space (almost 100% DCI-P3) on top of that, which should please gamers as well as content creators, although we would have still wished for a higher brightness. Case, input devices, and connectivity (Thunderbolt 4) are at a good level. However, among other things, the GS66 loses points due to the high temperature development in 3D mode and its poor webcam."
Get a great deal on the MSI Stealth 18 AI Studio or the MSI Stealth GS66
About MSI
MSI, also known as Micro-Star International, is a Taiwanese technology corporation. MSI is known for their wide range of gaming devices. Their series include the entry-level Cyborg/Thin and Sword/Katana series, the mid-range Bravo/Delta and Crosshair/Pulse series, and their high-end Vector, Raider, Stealth, and Titan GT series. At every performance level, MSI offers a variety of devices with varying balances between performance, battery life, weight, and price, making them a solid option to consider at every price point.
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