MSI Stealth 15M 2022 vs MSI Stealth GS66 2022 Comparison

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MSI Stealth 15M 2022

15.6 inches | June 2022

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MSI Stealth GS66 2022

15.6 inches | January 2022

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MSI Stealth 15M 2022 vs MSI Stealth GS66 2022 Comparison Overview

MSI Stealth 15M 2022

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MSI Stealth GS66 202...

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MSI Stealth 15M 2022

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MSI Stealth GS66 202...

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In this review, we will be comparing Stealth 15M 2022 and Stealth GS66 2022, two laptops by MSI. MSI Stealth 15M 2022 was introduced to market in June 2022 and MSI Stealth GS66 2022 was launched in January 2022. There is only 5 months difference between Stealth 15M 2022 and Stealth GS66 2022 so we are expecting this to be a fair comparison regarding age and technology level.

Click for Available Configurations of the Laptops

Stealth 15M 2022 and Stealth GS66 2022 are members of MSI's Stealth series of laptops. Below you can find the latest models from this series.

MSI Stealth Series History

	Release Date	Screen Size	Dimensions	Weight
MSI Stealth A16 AI+	September 2024	16.0"	355.8 x 259.7 x 19.95 mm	2.1 kg (4.63 lbs)
MSI Stealth 18 AI Studio	January 2024	18.0"	399.99 x 289.67 x 19.9-23.99 mm	2.79 kg (6.15 lbs)
MSI Stealth 14 AI Studio	January 2024	14.0"	315.6 x 246.25 x 19.9-21.8 mm	1.7 kg (3.75 lbs)
MSI Stealth 16 AI Studio	January 2024	16.0"	355.8 x 259.7 x 19.95 mm	1.99 kg (4.39 lbs)
MSI Stealth 16 Studio	January 2023	16.0"	355.8 x 259.7 x 19.95 mm	1.99 kg (4.39 lbs)
MSI Stealth 15	January 2023	15.6"	358.3 x 247.9 x 19.9 mm	2.1 kg (4.63 lbs)
MSI Stealth 14 Studio	January 2023	14.0"	315 x 246 x 19 mm	1.7 kg (3.75 lbs)
MSI Stealth 17 Studio	January 2023	17.3"	397.6 x 283.5 x 20.1-20.8 mm	2.8 kg (6.17 lbs)

Here is a brief look at the main features of MSI Stealth 15M 2022 and MSI Stealth GS66 2022 before getting into our more detailed comparison.

MSI Stealth 15M 2022 Key Specs

Launched in June 2022
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i7 1260P
GPU: GeForce RTX 3060 Mobile 6GB
16GB Ram
358 x 248 x 17 mm (14.09 x 9.76 x 0.67 inches)
Weight: 1.8 kg (3.97 lbs)

MSI Stealth GS66 2022 Key Specs

Launched in January 2022
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i7 12700H
GPU: GeForce RTX 3060 Mobile 6GB
8GB Ram
358.3 x 248 x 18.3-19.8 mm (14.11 x 9.76 x 0.72-0.78 inches)
Weight: 2.1 kg (4.63 lbs)

Let's read on the following sections in order to better understand in detail how Stealth 15M 2022 and Stealth GS66 2022 compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose MSI Stealth 15M 2022 over MSI Stealth GS66 2022

Weight	1.80 kg vs 2.10 kg	0.3 kg lighter
Screen-to-Body Ratio	~75.6% vs ~75.5%	Larger screen area ratio
Side Bezel Thickness	6.3 mm vs 6.5 mm	0.2 mm thinner bezels

Reasons to choose MSI Stealth GS66 2022 over MSI Stealth 15M 2022

Refresh Rate	360 Hz vs 144 Hz	Smoother media experience
GPU FLOPS	10.8 TFLOPS vs 10.7 TFLOPS	Charges via USB-C type cable
USB Power Delivery	Yes vs No	Faster RAM Type
RAM Type	DDR5 vs DDR4	Connect more device at the same time
Number of USB-C Ports	3x USB 3.2 vs 2x USB 3.2	Support audio, data, power and video all through one single port
Thunderbolt	v4 vs No	Better HDMI connectivity
HDMI Version	2.1 vs 2.0	Connects to the local network via Ethernet RJ45
Ethernet RJ45 Port	Yes vs No

Common Strengths of MSI Stealth GS66 2022 and MSI Stealth 15M 2022

Launch Dates	June 2022 vs January 2022	Both laptops are recent models
Screen Coating	Matte vs Matte	Less reflections on the screen
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
Upgradable RAM	Yes vs Yes	Option to increase the RAM size
RAM Type	PCI-E Gen 4.0 (4x) vs PCI-E Gen 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Wi-Fi Standard	v6 vs v6E	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.2 vs v5.2	Fast and Reliable Bluetooth Connections
HDMI Output	1x HDMI 2.0 vs 1x HDMI 2.0	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of MSI Stealth GS66 2022 and MSI Stealth 15M 2022

Touchscreen Capability	No vs No	No Touchscreen Capability
Fingerprint Sensor	No vs No	No fingerprint login feature

MSI Stealth 15M 2022 vs MSI Stealth GS66 2022: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the MSI Stealth 15M 2022 and the MSI Stealth GS66 2022.

Physical Specs
Weight	1.8 kg (3.97 lbs)	2.1 kg (4.63 lbs)
Surface Area	888 cm2 (137.5 inches2)	889 cm2 (137.7 inches2)
Screen to Surface Ratio	~75.6%	~75.5%
Side Bezel Thickness	~6.3 mm	~6.5 mm
Weight per Inch of Screen	0.12 kg/inch	0.13 kg/inch
	0.264 lbs/inch	0.286 lbs/inch
Colors	Black	Black

Comparison of the MSI Stealth 15M 2022 and the MSI Stealth GS66 2022 External Dimensions

Weight

Stealth 15M 2022 weighs 1.8 kg (3.97 lbs), whereas the Stealth GS66 2022 weighs 2.1 kg (4.63 lbs). There is a notable difference in weight between these two laptops. The weight difference between the two laptops is not significant.

Weight Comparison

Displays size 15.0-15.9 inches

MSI Stealth 15M 2022 1.80 kg

MSI Stealth GS66 2022 2.10 kg

Min 0.99 kg

Average 1.95 kg

Max 3.32 kg

Thickness Comparison

Displays size 15.0-15.9 inches

MSI Stealth 15M 2022 17.00 mm

MSI Stealth GS66 2022 18.30 mm

Min 7.70 mm

Average 20.17 mm

Max 29.00 mm

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the MSI Stealth 15M 2022 is 0.12 kg/inch.In comparison, this value for the MSI Stealth GS66 2022 is 0.13 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch
LG Gram 14 2-in-1 2022: 0.07 kg/inch

MSI Stealth 15M 2022 vs MSI Stealth GS66 2022: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i7 1260P Intel Core i7 1270P	Intel Core i7 12700H Intel Core i9 12900H
Base Frequency	2.1 GHz	2.3 GHz
Turbo Frequency	4.7 GHz	4.7 GHz
Number of Cores	12	14
Number of Threads	16	20
L3 Cache	18 MB	24 MB
Integrated GPU	Intel Iris Xe Graphics G7 (96EU)	Intel Iris Xe Graphics (96EU)
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1779	1750
Geekbench 5 (Multi)	9214	12242
Cinebench 23 (Single)	1745	1800
Cinebench 23 (Multi)	9746	16309

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the MSI Stealth 15M 2022 and MSI Stealth GS66 2022.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: Intel Core i7 1260P

Laptops with: Intel Core i7 12700H

GPU Comparison

GPU Model	GeForce RTX 3060 Mobile 6GB	GeForce RTX 3060 Mobile 6GB GeForce RTX 3070 Ti Mobile 8GB GeForce RTX 3080 Mobile 8GB GeForce RTX 3080 Ti Mobile 16GB
Base Clock Frequency	900 MHz	900 MHz
Boost CLock Frequency	1425 MHz	1425 MHz
TGP (Total Graphics Power)	80 W	80 W
Type	Dedicated	Dedicated
FLOPS	10.94 TFLOPS	10.94 TFLOPS
Memory Size	6 GB	6 GB
Memory Type	GDDR6	GDDR6
Memory Bus	192 bit	192 bit
Memory Speed	1750 MHz 14 Gbps effective	1750 MHz 14 Gbps effective
Shading Units Cores	3840	3840
TMUs	120	120
ROPs	48	48

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. MSI Stealth 15M 2022 has a FLOPS value of 10.7 TFLOPS whereas the MSI Stealth GS66 2022 ' has a FLOPS value of 10.8 TFLOPS. If graphical performance of the laptop is important for your use type, the MSI Stealth GS66 2022 may be the better choice between these two setups.

RAM Comparison

RAM	16GB 32GB 64GB	8GB 16GB 32GB 64GB
Memory Bus	2x8 GB	1x8 GB
RAM Clock	3200 MHz	4800 MHz
RAM Type	DDR4	DDR5
Upgradable	Yes	Yes
Max RAM Size	64 GB	64 GB
Total Slots	2	2
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

With a larger RAM capacity of 16 GB, the Stealth 15M 2022 offers an advantage for multitasking and resource-intensive applications compared to the Stealth GS66 2022's RAM capacity of 8 GB.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	MSI Stealth 15M (2022)	MSI Stealth GS66 (2022)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✖ Not supported.	✖ Not supported.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	53.8 Wh	99.9 Wh
Battery Type	Li-Po	Li-Po
Replaceable	No	No
Fast Charging	Yes	Yes
USB Power Delivery	No	Yes
Charging Port Position	Left	Left
Charge Power	180 W	240 W

On the other hand, the Stealth GS66 2022 features a higher battery capacity of 100 Wh, delivering longer usage time compared to the Stealth 15M 2022's 54 Wh.

Battery Comparison

Displays size 15.0-15.9 inches

MSI Stealth 15M 2022 54 Wh

MSI Stealth GS66 2022 100 Wh

Min 36.00 Wh

Average 62.1 Wh

Max 100.00 Wh

STORAGE
Both laptops, the Stealth 15M 2022 and the Stealth GS66 2022 have similar max. storage capacities of 2 TB, allowing for ample space to store files and applications.

Storage Options	512 GB, 1 TB, 2 TB	512 GB, 1 TB, 2 TB
Upgradable	Yes	Yes
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

MSI Stealth 15M 2022 vs MSI Stealth GS66 2022: Display Comparison

The display is an essential aspect to consider when comparing the MSI Stealth 15M 2022 and MSI Stealth GS66 2022 since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Both Stealth 15M 2022 and Stealth GS66 2022 screens have the same size of 15.6".The total usable screen area of the Stealth 15M 2022 is 670cm² / 104inch² whereas the Stealth GS66 2022's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Both Stealth 15M 2022 and Stealth GS66 2022 feature the same pixel density with 141 pixels per inch (PPI).

Screen PPI (Pixels Per Inch) Comparison

Displays size 15.0-15.9 inches

MSI Stealth 15M 2022 141 ppi

MSI Stealth GS66 2022 141 ppi

Min 100 PPI

Average 144 PPI

Max 294.00 PPI

Refresh Rate
The Stealth GS66 2022 offers a higher refresh rate of 360 Hz, resulting in smoother motion and improved visual experience.

MSI Stealth 15M 2022 vs MSI Stealth GS66 2022 Connectivity Comparison

In terms of connectivity,

Wifi
Stealth GS66 2022 features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to Stealth 15M 2022 (v6).

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both Stealth 15M 2022 and Stealth GS66 2022 feature 2x USB 3.2 USB-A ports.
Both Stealth 15M 2022 and Stealth GS66 2022 have USB Type-C ports. Stealth 15M 2022 has 2x USB 3.2 USB Type-C ports, while Stealth GS66 2022 has 3x USB 3.2 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Stealth GS66 2022 is equipped with Thunderbolt 4 port. Stealth 15M 2022 does not have Thunderbolt port.

HDMI
Both Stealth 15M 2022 and Stealth GS66 2022 feature an HDMI port. Stealth 15M 2022 offers 1x HDMI 2.0, while Stealth GS66 2022 offers 1x HDMI 2.1.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Neither Stealth 15M 2022 nor Stealth GS66 2022 has an SD Card Reader.

Audio Jack
Both Stealth 15M 2022 and Stealth GS66 2022 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v6	v6E
Bluetooth (latest: v5.4)	v5.2	v5.2
USB-A (latest: 3.2)	2x USB 3.2	2x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 3.2	3x USB 3.2
Thunderbolt (latest: 4)	No	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.0	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	Yes
SD CardReader	No	No
Proprietary Charging Port	Yes	Yes