ROG Zephyrus M15 vs. MSI GS66 Stealth: Full specs comparison
Here is a comparison of the specs between ROG Zephyrus M15 and MSI GS66 Stealth, including CPU, RAM, storage, battery, display, and more.
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ROG Zephyrus M15 Pros
Reasons that ROG Zephyrus M15 is better than MSI GS66 Stealth.
About 10% lighter
ROG Zephyrus M15 weighed 4.18 pounds, 10% lighter than the 4.62 pounds MSI GS66 Stealth.
| Weight | ROG Zephyrus M15 | MSI GS66 Stealth |
|---|---|---|
| Pound | 4.18 lbs. | 4.62 lbs. |
| Kilogram | 1.90 kg | 2.10 kg |
MSI GS66 Stealth Pros
Reasons that MSI GS66 Stealth is better than ROG Zephyrus M15.
Supports larger memory
MSI GS66 Stealth supports a larger memory capacity than the ROG Zephyrus M15. It supports up to 64GB versus 48GB of system memory on the ROG Zephyrus M15.
Max system memory size
MSI GS66 Stealth
64 GB
ROG Zephyrus M15
48 GB
Key Similars
Similar characteristics share between ROG Zephyrus M15 and MSI GS66 Stealth.
Similar CPU performance
Both laptops has a similar multi-core CPU performance score.
Geekbench 5 multi-core score
MSI GS66 Stealth - Intel Core i9-10980HK
7,013
ROG Zephyrus M15 - Intel Core i7-10875H
6,874
MSI GS66 Stealth - Intel Core i7-10875H
6,874
ROG Zephyrus M15 - Intel Core i7-10750H
5,412
MSI GS66 Stealth - Intel Core i7-10750H
5,412
Uses the same memory type and speed
Both laptops supports the same 3200MHz DDR4 RAM.
Memory type and speed
ROG Zephyrus M15 - DDR4
3,200 MHz
MSI GS66 Stealth - DDR4
3,200 MHz
Upgradable memory
Both laptops come with available RAM slots that allow you to replace or upgrade when needed.
| Memory | ROG Zephyrus M15 | MSI GS66 Stealth |
|---|---|---|
| Slots | x1 | x2 |
| Type | DDR4 | DDR4 |
Prices
Here are the latest price updates and offers for both devices.
Availability | ROG Zephyrus M15 | MSI GS66 Stealth |
| Released | 2020 | 2020 |
| Generations |
| - |
Exterior | ROG Zephyrus M15 | MSI GS66 Stealth |
| Dimensions | Brushed Black models
| 14.10” x 9.76” x 0.72 ~ 0.79” (358.3 x 248 x 18.3 ~ 19.8 mm) |
| Weight | 4.18 lbs (1.9 kg) | 4.62 lbs (2.1 kg) |
| Colors | Brushed Black Prism Gray | - |
| Keyboard and Trackpad |
|
|
Display | ROG Zephyrus M15 | MSI GS66 Stealth |
| Size | 15.6 Inches | 15.6 Inches |
| Info |
|
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Ports | ROG Zephyrus M15 | MSI GS66 Stealth |
|  Left (4)
Right (5)
|
Internal Specs | ROG Zephyrus M15 | MSI GS66 Stealth |
| Processor |
|
|
| Integrated Graphics |
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| Memory | Up to 48GB DDR4 3200MHz SDRAM 16GB on-board memory. | Up to 64GB 3200MHz Dual-channel DDR4 SDRAM 2 x SO-DIMM slots. |
| Discrete Graphics | ROG Zephyrus M15 GU502LW
| GS66 Stealth 10SGS
GS66 Stealth 10SFS
GS66 Stealth 10SF
GS66 Stealth 10SE
GS66 Stealth 10SD
|
| Storage |
|
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Connectivity | ROG Zephyrus M15 | MSI GS66 Stealth |
| Wi-Fi | Intel® Wi-Fi 6 with Gig+ performance (802.11ax) | 802.11 AX Wi-Fi 6 |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.1 |
| Ethernet |
|
|
Battery | ROG Zephyrus M15 | MSI GS66 Stealth |
| Size | - | 99.9 Wh (4-cell Li-Polymer battery) |
| Battery Life |
| - |
| Power Supply |
| MSI GS66 Stealth 10SD/SE
MSI GS66 Stealth 10SF/SFS/SGS
|
Software | ROG Zephyrus M15 | MSI GS66 Stealth |
| OS |
| Windows 10 Home |
| Built-in Apps | Armoury Crate GameFirst VI GameVisual Sonic Studio III | - |
Camera & Audio | ROG Zephyrus M15 | MSI GS66 Stealth |
| Camera |
|
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| Audio |
|
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Misc | ROG Zephyrus M15 | MSI GS66 Stealth |
| Security | - |
|
Key Features | ROG Zephyrus M15 | MSI GS66 Stealth |
| At Glance | | |
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