Alienware M15 R3 vs. MSI GS75 Stealth: Full specs comparison

We thoroughly analyzed technical specifications for Alienware M15 R3 and MSI GS75 Stealth models, including CPU, memory, storage, battery life, display quality, and other features.

Alienware M15 R3 Pros

Reasons that Alienware M15 R3 is better than MSI GS75 Stealth.

About 13% lighter

Alienware M15 R3 weighed 4.65 pounds, 13% lighter than the 5.29 pounds MSI GS75 Stealth.

WeightAlienware M15 R3MSI GS75 Stealth
Pound
4.65 lbs.
5.29 lbs.
Kilogram
2.11 kg
2.40 kg

MSI GS75 Stealth Pros

Reasons that MSI GS75 Stealth is better than Alienware M15 R3.

Supports larger memory

MSI GS75 Stealth supports a larger memory capacity than the Alienware M15 R3. It supports up to 64GB versus 32GB of system memory on the Alienware M15 R3.

Max system memory size
MSI GS75 Stealth
64 GB
Alienware M15 R3
32 GB
Supports faster memory

MSI GS75 Stealth supports a faster memory speed than the Alienware M15 R3. It supports up to 3200MHz versus 2666MHz of system memory on the Alienware M15 R3.

Memory type and speed
MSI GS75 Stealth - DDR4
3,200 MHz
Alienware M15 R3 - DDR4
2,666 MHz
Upgradable memory

MSI GS75 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 M15 R3 since it has onboard memory.

MemoryAlienware M15 R3MSI GS75 Stealth
Slots
Onboard
x2
TypeDDR4DDR4
10% larger display

MSI GS75 Stealth has a 17.3-inch screen size 10% larger than the 15.6-inch Alienware M15 R3.

Display size
MSI GS75 Stealth
17.3-inch
Alienware M15 R3
15.6-inch

Prices

Here are the latest price updates and offers for both devices.

Alienware M15 R3 Price
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-512GB SSD Hard Drive - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-512GB SSD Hard Drive - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
By Dell
$1,913.06
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-1TB SSD - 32GB RAM | 6 Cores @ 5 GHz - 10th Gen CPU Win 10 Home
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-1TB SSD - 32GB RAM | 6 Cores @ 5 GHz - 10th Gen CPU Win 10 Home
By Dell
$2,672.89
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
By Dell
$2,155.30
MSI GS75 Stealth Price
MSI GS75 STEALTH-242-17.3" 144Hz - i7-9750H - NVIDIA RTX 2080 Max Q - 32GB - 1TB SSD
MSI GS75 STEALTH-242-17.3" 144Hz - i7-9750H - NVIDIA RTX 2080 Max Q - 32GB - 1TB SSD
By MSI
$3,399.00
2020 MSI GS75 Stealth 17.3 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA RTX 2070 Max-Q 8GB, 32GB DDR4 RAM, 1TB SSD, RGB Backlit KB, WiFi, HDMI, Win10)
2020 MSI GS75 Stealth 17.3 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA RTX 2070 Max-Q 8GB, 32GB DDR4 RAM, 1TB SSD, RGB Backlit KB, WiFi, HDMI, Win10)
By MSI
$2,099.99
MSI Stealth GS66 15.6” 240Hz Gaming Laptop: 12th Gen Intel Core i7, NVIDIA Geforce RTX 3070Ti, 32GB DDR5, 512GB NVMe SSD, Thunderbolt 4, Cooler Boost Trinity+, Win 11 PRO: Black 12UGS-246
MSI Stealth GS66 15.6” 240Hz Gaming Laptop: 12th Gen Intel Core i7, NVIDIA Geforce RTX 3070Ti, 32GB DDR5, 512GB NVMe SSD, Thunderbolt 4, Cooler Boost Trinity+, Win 11 PRO: Black 12UGS-246
By MSI
$1,299.00
$1,999.99 35% OFF

Availability

Alienware M15 R3MSI GS75 Stealth
Released20202020
Release DateAvailable on May 2020-
PricingStarting at $1,499.99-
Generations-

Exterior

Alienware M15 R3MSI GS75 Stealth
DimensionsBase
Width: 14.19 in. (360.30 mm)
Depth: 10.87 in. (276.20 mm)
Height: 0.72 - 0.78 in. (18.30 - 19.70 mm)
300 Hz Refresh Rate Models
Width: 14.19 in. (360.30 mm)
Depth: 10.86 in. (275.90 mm)
Height: 0.70 - 0.78 in. (17.90 - 19.70 mm)
15.59” x 10.21” x 0.79” (396.1 x 259.4 x 20.25 mm)
WeightStarting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)5.29 lbs (2.4 kg)
Colors
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
-
Keyboard and Trackpad
  • Keyboard
    • Alienware mSeries 4-Zone AlienFX RGB keyboard.
    • Alienware mSeries keyboard with per-key RGB LED.
  • AlienFX lighting
  • Includes anti-ghosting and N-key rollover technology
  • 1.7mm key travel
  • 0.2mm-dish concave key design
  • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
  • Per-Key RGB gaming keyboard by SteelSeries with Silver-Lining Print
  • Silky smooth touchpad with multi-touch gesture

Display

Alienware M15 R3MSI GS75 Stealth
Size15.6 Inches17.3 Inches
InfoFull HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC  color gamut, Anti-glare.
Full HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC color gamut with NVIDIA G-SYNC Technology, Anti-glare.
Full HD with 300Hz refresh rate
  • 1920 x 1080, 141 PPI, 3ms response time, 300 nits, 16:9, 100% sRGB color gamut, Anti-glare.
Ultra HD with 60Hz refresh rate
  • 3180 x 2160, OLED, 282 PPI, 1ms response time, 400 nits, 16:9, HDR-400 100% DCI-P3 color gamut, 100,000:1 contrast ratio, TrueLife, 14.80W max power consumption
  • Tobii Eyetracking technology
All options
  • Wide Viewing Angles on all displays with 85 degrees viewing from all directions
  • 17.3" FHD (1920x1080), 240Hz, IPS-Level
  • 17.3" FHD (1920x1080), 300Hz, IPS-Level

Ports

Alienware M15 R3MSI GS75 Stealth
Alienware M15 R3 Ports
Image Source: Dell
  • 1 x Power/DC-in Port
  • 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port
  • 2 x Type-A USB 3.1 Gen 1 Port
  • 1 x Type-A USB 3.1 Gen 1 port with PowerShare technology
  • 1 x Thunderbolt™ 3 Port (USB Type-C™ with support for USB 3.1 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2)
  • 1 x Alienware Graphics Amplifier Port
  • 1 x HDMI 2.0b with HDCP 2.2 Output Port
  • 1 x Mini-Display Port 1.4 (certified) Output Port
  • 1 x Audio Out 1/8" Ports (Compatible with inline mic headset)
  • 1 x Wedge-shaped lock slot (cable and lock sold separately)
  • 1 x microSD 5.1, UHD-II HD312 Card Reader
  • 1 x Type-C (USB3.2 Gen2 / DP / Thunderbolt™3) with PD charging
  • 1 x  Type-C (USB3.2 Gen2 / DP)
  • 3 x Type-A USB3.2 Gen1
  • 1 x RJ45
  • 1 x Micro SD Card Reader
  • 1 x (4K @ 60Hz) HDMI
  • 1 x Mic-in
  • 1 x Headphone-out (HiFi)

Internal Specs

Alienware M15 R3MSI GS75 Stealth
Processor
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  1. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  2. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  3. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Memory
8 GB 16 GB 32 GB
2666 MHz Dual-channel DDR4 RAM.
Onboard memory.
Up to 64GB 3200MHz Dual-channel DDR4 SDRAM
2 x SO-DIMM slots.
Discrete Graphics
  • NVIDIA® GeForce GTX® 1650 Ti (4GB GDDR6)
  • NVIDIA® GeForce GTX® 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready
  • NVIDIA® GeForce RTX™ 2070 (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 SUPER (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2080 SUPER (8GB GDDR6) with Max-Q Design
  • AMD RX5500M (4GB GDDR6)
GS75 Stealth 10SGS
  • NVIDIA® GeForce RTX™ 2080 With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS75 Stealth 10SFS
  • NVIDIA® GeForce® RTX 2070 SUPER™ With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS75 Stealth 10SF
  • NVIDIA® GeForce RTX™ 2070 With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS75 Stealth 10SE
  • NVIDIA® GeForce RTX™ 2060
    Video memory: 6GB GDDR6 VRAM.
StorageAvailable Slots
  • One M.2 2230 slot (Up to 512GB)
  • Two M.2 2230/2280 slots (Up to 2TB each)
Single Drive
  • 256 GB PCIe M.2 SSD
  • 512 GB PCIe M.2 SSD
  • 1 TB PCIe M.2 SSD
  • 2 TB PCIe M.2 SSD
RAID-0
  • 512GB (2x256 PCIe M.2 SSD) RAID0
  • 1TB (2x 512 PCIe M.2 SSD) RAID0
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0
RAID-0 Plus
  • 1TB (2x 512GB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
2x M.2 SSD Combo slot (NVMe PCIe Gen3 / SATA)

Connectivity

Alienware M15 R3MSI GS75 Stealth
Wi-Fi
  • Rivet Killer Wi-Fi 6 AX1650
    Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
GS75 Stealth 10SE
  • 802.11 AX Wi-Fi 6
GS75 Stealth 10SF/SFS/SGS
  • Killer AX Wi-Fi
Bluetooth
  • Rivet Killer Wi-Fi 6 AX1650 › Bluetooth 5.1
Bluetooth 5.1
Ethernet
  • Killer™ Ethernet E3000 PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps
  • Killer Gigabit LAN
    Speed: 10/100/1000 Mbps.

Battery

Alienware M15 R3MSI GS75 Stealth
Size
  • 56 WHr, 3-cell smart lithium-ion
  • 86 WHr, 6-cell smart lithium-ion
84 Wh (4-cell Li-Polymer battery)
Battery Life-up to 7 hours+ battery life
Tested on GS75 Stealth 10SF with Full HD 240Hz display and Super battery mode.
Power Supply
  • E4 130W (19.50 VDC/6.70A)
  • E4 180W (19.50 VDC/9.23A)
  • E4 240W (19.50 VDC/12.31A)
* Support Hybrid Power
GS75 Stealth 10SE
  • 180W slim power adapter
GS75 Stealth 10SF/SFS/SGS
  • 230W slim power adapter

Software

Alienware M15 R3MSI GS75 Stealth
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Windows 10 Home
Built-in Apps
  • Alienware Command Center
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
-

Camera & Audio

Alienware M15 R3MSI GS75 Stealth
Camera
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR camera for Windows Hello support.
Audio
  • Controller: Realtek ALC3281-CG
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 4-Way (Woofer/Tweeter) Stereo Speaker Design
    • Output: 4-5W
    • Introduces Discrete Smart Amp Woofer technology
    • Delivers 2.5x bass improvement over the previous generation
    • Delivers 2x treble improvement over the previous generation
    • Delivers 30% loudness improvement over the previous generation for full-range performance
  • Microphone:
    • Digital-array microphones in camera assembly
  • 2x 2W Speaker
  • Sound by Dynaudio with DUO Wave Speaker
  • Array Microphone

Misc

Alienware M15 R3MSI GS75 Stealth
Sensors
  • Tobii Eyetracking technology (optional)
-
Security
  • Wedge-shaped lock slot
  • Enterprise-grade protection with Windows Hello face sign-in
MoreCHASIS
  • Based on Alienware's Legend industrial design language
  • Engineered with Alienware's Advanced Cryo-Tech Cooling technology
  • Engineered with HyperEfficient Voltage Regulation
  • Constructed with a Magnesium Alloy exterior shell and copper alloy thermal components
-

Key Features

Alienware M15 R3MSI GS75 Stealth
At Glance
Released in Mid
2020
16:9 FHD
15.6”
1080p 300Hz
Weight
4.65 lb
2.11 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Configurable up to
32GB
2666 MHz DDR4
Alienware M15 R3 Ports
Nvidia GeForce
RTX 2080 SUPER
8GB GDDR6 with Max-Q
Released in
2020
16:9 FHD
17.3”
1080p 300Hz
Weight
5.29 lb
2.40 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
64GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2080
8GB GDDR6 with Max-Q

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