MSI GS66 Stealth vs. MSI GS75 Stealth: Full specs comparison

Here is a comparison of the specs between MSI GS66 Stealth and MSI GS75 Stealth, including CPU, RAM, storage, battery, display, and more.

MSI GS66 Stealth Pros

Reasons that MSI GS66 Stealth is better than MSI GS75 Stealth.

About 13% lighter

MSI GS66 Stealth weighed 4.62 pounds, 13% lighter than the 5.29 pounds MSI GS75 Stealth.

WeightMSI GS66 StealthMSI GS75 Stealth
Pound
4.62 lbs.
5.29 lbs.
Kilogram
2.10 kg
2.40 kg

MSI GS75 Stealth Pros

Reasons that MSI GS75 Stealth is better than MSI GS66 Stealth.

10% larger display

MSI GS75 Stealth has a 17.3-inch screen size 10% larger than the 15.6-inch MSI GS66 Stealth.

Display size
MSI GS75 Stealth
17.3-inch
MSI GS66 Stealth
15.6-inch

Key Similars

Similar characteristics share between MSI GS66 Stealth and MSI GS75 Stealth.

Supports the same maximum memory size of up to 64GB

Both laptops supports up to 64GB of system memory.

Max system memory size
MSI GS66 Stealth
64 GB
MSI GS75 Stealth
64 GB
Uses the same memory type and speed

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed
MSI GS66 Stealth - DDR4
3,200 MHz
MSI GS75 Stealth - DDR4
3,200 MHz
Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

MemoryMSI GS66 StealthMSI GS75 Stealth
Slots
x2
x2
TypeDDR4DDR4

Prices

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

MSI GS66 Stealth Price
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
MSI GS66 Stealth 15.6" FHD 240Hz 2.5ms Ultra Thin and Light Gaming Laptop, Intel Core i7-11800H, Geforce RTX3060, 32GB RAM, 1TB NVMe SSD, Win11 VR Ready - Black
MSI GS66 Stealth 15.6" FHD 240Hz 2.5ms Ultra Thin and Light Gaming Laptop, Intel Core i7-11800H, Geforce RTX3060, 32GB RAM, 1TB NVMe SSD, Win11 VR Ready - Black
By MSI
$1,599.99
MSI GS66 Stealth 15.6" 240Hz 3ms Ultra Thin and Light Gaming Laptop Intel Core i7-10750H RTX2070 Max-Q 16GB 1TB NVMe SSD Win10 VR Ready (10SF-683)
MSI GS66 Stealth 15.6" 240Hz 3ms Ultra Thin and Light Gaming Laptop Intel Core i7-10750H RTX2070 Max-Q 16GB 1TB NVMe SSD Win10 VR Ready (10SF-683)
By MSI
$1,699.00
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
$1,364.00
$1,999.99 32% OFF

Availability

MSI GS66 StealthMSI GS75 Stealth
Released20202020

Exterior

MSI GS66 StealthMSI GS75 Stealth
Dimensions14.10” x 9.76” x 0.72 ~ 0.79” (358.3 x 248 x 18.3 ~ 19.8 mm)15.59” x 10.21” x 0.79” (396.1 x 259.4 x 20.25 mm)
Weight4.62 lbs (2.1 kg)5.29 lbs (2.4 kg)
Keyboard and Trackpad
  • Per-Key RGB gaming keyboard by SteelSeries
  • Silky smooth touchpad with multi-touch gesture
  • Per-Key RGB gaming keyboard by SteelSeries with Silver-Lining Print
  • Silky smooth touchpad with multi-touch gesture

Display

MSI GS66 StealthMSI GS75 Stealth
Size15.6 Inches17.3 Inches
Info
  • 15.6" UHD (3840x2160), IPS-Level
  • 15.6" FHD (1920x1080), 240Hz, IPS-Level
  • 15.6" FHD (1920x1080), 300Hz, IPS-Level
  • 17.3" FHD (1920x1080), 240Hz, IPS-Level
  • 17.3" FHD (1920x1080), 300Hz, IPS-Level

Ports

MSI GS66 StealthMSI GS75 Stealth
MSI GS66 Stealth Ports
Image Source: MSI
Left (4)
  • 1 x Thunderbolt 3
    40 Gpbs, USB 3.2 Gen 2 (10 Gbps), DisplayPort, Power Delivery
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x HDMI
    4K@60Hz
  • 1 x power port
Right (5)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps)
  • 2 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x RJ-45
    1 Gbps
  • 1 x headphone jack
    Headphone/Microphone
  • 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

MSI GS66 StealthMSI GS75 Stealth
Processor
  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
  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™ 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
  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
MemoryUp to 64GB 3200MHz Dual-channel DDR4 SDRAM
2 x SO-DIMM slots.
Up to 64GB 3200MHz Dual-channel DDR4 SDRAM
2 x SO-DIMM slots.
Discrete Graphics
GS66 Stealth 10SGS
  • NVIDIA® GeForce® RTX 2080 SUPER™ With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS66 Stealth 10SFS
  • NVIDIA® GeForce® RTX 2070 SUPER™ With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS66 Stealth 10SF
  • NVIDIA® GeForce RTX™ 2070 With Max-Q Design
    Video memory: 8GB GDDR6 VRAM.
GS66 Stealth 10SE
  • NVIDIA® GeForce RTX™ 2060
    Video memory: 6GB GDDR6 VRAM.
GS66 Stealth 10SD
  • NVIDIA® GeForce® GTX 1660 Ti
    Video memory: 6GB GDDR6 VRAM.
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.
Storage
  • 1x M.2 SSD slot (NVMe PCIe Gen3)
  • 1x M.2 SSD Combo slot (NVMe PCIe Gen3 / SATA)
2x M.2 SSD Combo slot (NVMe PCIe Gen3 / SATA)

Connectivity

MSI GS66 StealthMSI GS75 Stealth
Wi-Fi802.11 AX Wi-Fi 6
GS75 Stealth 10SE
  • 802.11 AX Wi-Fi 6
GS75 Stealth 10SF/SFS/SGS
  • Killer AX Wi-Fi
BluetoothBluetooth 5.1Bluetooth 5.1
Ethernet
  • Killer Gigabit LAN
    Speed: 10/100/1000 Mbps.
  • Killer Gigabit LAN
    Speed: 10/100/1000 Mbps.

Battery

MSI GS66 StealthMSI GS75 Stealth
Size99.9 Wh (4-cell Li-Polymer battery)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
MSI GS66 Stealth 10SD/SE
  • 180W slim power adapter
MSI GS66 Stealth 10SF/SFS/SGS
  • 230W slim power adapter
GS75 Stealth 10SE
  • 180W slim power adapter
GS75 Stealth 10SF/SFS/SGS
  • 230W slim power adapter

Software

MSI GS66 StealthMSI GS75 Stealth
OSWindows 10 HomeWindows 10 Home

Camera & Audio

MSI GS66 StealthMSI GS75 Stealth
Camera
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR camera for Windows Hello support.
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR camera for Windows Hello support.
Audio
  • 2x 2W Speaker
  • Sound by Dynaudio and Duo wave speaker
  • Array Microphone
  • 2x 2W Speaker
  • Sound by Dynaudio with DUO Wave Speaker
  • Array Microphone

Misc

MSI GS66 StealthMSI GS75 Stealth
Security
  • Enterprise-grade protection with Windows Hello face sign-in
  • Enterprise-grade protection with Windows Hello face sign-in

Key Features

MSI GS66 StealthMSI GS75 Stealth
At Glance
Released in
2020
16:9 FHD
15.6”
1080p 300Hz
Weight
4.62 lb
2.10 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
MSI GS66 Stealth 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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