Alienware X15 R2 vs. MSI GS66 Stealth: Full specs comparison
We have comprehensively analyzed the technical specifications for the Alienware X15 R2 and MSI GS66 Stealth models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.
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Alienware X15 R2 Pros
Reasons that Alienware X15 R2 is better than MSI GS66 Stealth.
2022 vs. 2020
Intel Core i9-12900H inside Alienware X15 R2 has a 71% better multi-core CPU performance score than the Intel Core i9-10980HK inside MSI GS66 Stealth.
Alienware X15 R2 supports a faster memory speed than the MSI GS66 Stealth. It supports up to 5200MHz versus 3200MHz of system memory on the MSI GS66 Stealth.
MSI GS66 Stealth Pros
Reasons that MSI GS66 Stealth is better than Alienware X15 R2.
MSI GS66 Stealth supports a larger memory capacity than the Alienware X15 R2. It supports up to 64GB versus 32GB of system memory on the Alienware X15 R2.
MSI GS66 Stealth comes with two SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Alienware X15 R2 since it has onboard memory.
Memory | Alienware X15 R2 | MSI GS66 Stealth |
---|---|---|
Slots | Onboard | x2 |
Type | LPDDR5 | DDR4 |
MSI GS66 Stealth weighed 4.62 pounds, 11% lighter than the 5.15 pounds Alienware X15 R2.
Weight | Alienware X15 R2 | MSI GS66 Stealth |
---|---|---|
Pound | 5.15 lbs. | 4.62 lbs. |
Kilogram | 2.34 kg | 2.10 kg |
Prices
Here are the latest price updates and offers for both devices.
Availability | Alienware X15 R2 | MSI GS66 Stealth |
Released | 2022 | 2020 |
Release Date |
| - |
Pricing | Starting at $2,199 | - |
Generations |
| - |
Exterior | Alienware X15 R2 | MSI GS66 Stealth |
Dimensions |
| 14.10” x 9.76” x 0.72 ~ 0.79” (358.3 x 248 x 18.3 ~ 19.8 mm) |
Weight | 5.15 ~ 5.2 lbs. (2.34 ~ 2.36 kg) | 4.62 lbs (2.1 kg) |
Colors | Lunar light | - |
Keyboard and Trackpad |
|
|
Chasis Information |
| - |
Display | Alienware X15 R2 | MSI GS66 Stealth |
Size | 15.6 Inches | 15.6 Inches |
Info |
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Ports | Alienware X15 R2 | MSI GS66 Stealth |
Left
| Left (4)
Right (5)
|
Internal Specs | Alienware X15 R2 | MSI GS66 Stealth |
Processor |
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Integrated Graphics |
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Memory |
| Up to 64GB 3200MHz Dual-channel DDR4 SDRAM 2 x SO-DIMM slots. |
Discrete Graphics |
| GS66 Stealth 10SGS
GS66 Stealth 10SFS
GS66 Stealth 10SF
GS66 Stealth 10SE
GS66 Stealth 10SD
|
Storage |
|
|
Connectivity | Alienware X15 R2 | MSI GS66 Stealth |
Wi-Fi | Killer Wi-Fi 6E AX1675 Dual Band 2.4 GHz/5 GHz WiFi 6E 802.11a/b/g/n/ac/ax | 802.11 AX Wi-Fi 6 |
Bluetooth | Bluetooth 5.2 | Bluetooth 5.1 |
Ethernet | 2.5Gbps Ethernet NIC via included Type-C to RJ-45 port dongle |
|
Battery | Alienware X15 R2 | MSI GS66 Stealth |
Size | 87 WHr, 6-cell smart lithium-ion battery | 99.9 Wh (4-cell Li-Polymer battery) |
Power Supply | 240W power adapter. | MSI GS66 Stealth 10SD/SE
MSI GS66 Stealth 10SF/SFS/SGS
|
Software | Alienware X15 R2 | MSI GS66 Stealth |
OS | Windows 11 Home Pro | Windows 10 Home |
Built-in Apps | Alienware Command Center
| - |
Camera & Audio | Alienware X15 R2 | MSI GS66 Stealth |
Camera |
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Audio |
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Misc | Alienware X15 R2 | MSI GS66 Stealth |
Sensors | Windows Hello IR Camera | - |
Security | Windows Hello IR camera for Facial Biometrics |
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Warranty | 1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis | - |
Key Features | Alienware X15 R2 | MSI GS66 Stealth |
At Glance |
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