MSI GP66 Leopard 10UX vs. MSI GS66 Stealth: Which is better?

Here is a side by side comparison between MSI GP66 Leopard 10UX and MSI GS66 Stealth specs including CPU, RAM, storage, battery, display, and more.

MSI GP66 Leopard 10UX Pros

We couldn't find any advantages of MSI GP66 Leopard 10UX over MSI GS66 Stealth.

MSI GS66 Stealth Pros

Reasons that MSI GS66 Stealth is better than MSI GP66 Leopard 10UX.

About 12% lighter

MSI GS66 Stealth weighed 4.62 pounds, 12% lighter than the 5.24 pounds MSI GP66 Leopard 10UX.

WeightMSI GP66 Leopard 10UXMSI GS66 Stealth
Pound
5.24 lbs.
4.62 lbs.
Kilogram
2.38 kg
2.10 kg

Key Similars

Similar characteristics share between MSI GP66 Leopard 10UX 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
MSI GP66 Leopard 10UX - Intel Core i7-10875H
6,874
MSI GS66 Stealth - Intel Core i7-10875H
6,874
MSI GP66 Leopard 10UX - Intel Core i7-10870H
6,596
MSI GP66 Leopard 10UX - Intel Core i7-10750H
5,412
MSI GS66 Stealth - Intel Core i7-10750H
5,412
Supports the same maximum memory size of up to 64GB

Both laptops supports up to 64GB of system memory.

Max system memory size
MSI GP66 Leopard 10UX
64 GB
MSI GS66 Stealth
64 GB
Uses the same memory type and speed

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed
MSI GP66 Leopard 10UX - 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.

MemoryMSI GP66 Leopard 10UXMSI GS66 Stealth
Slots
x2
x2
TypeDDR4DDR4

Prices

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

MSI GP66 Leopard RTX 30 Price
MSI GP66 Leopard Gaming Laptop: 15.6" 144Hz FHD 1080p Display, Intel Core i7-11800H, NVIDIA GeForce RTX 3070, 16GB, 512GB SSD, Win10, Black (11UG-050)
MSI GP66 Leopard Gaming Laptop: 15.6" 144Hz FHD 1080p Display, Intel Core i7-11800H, NVIDIA GeForce RTX 3070, 16GB, 512GB SSD, Win10, Black (11UG-050)
By MSI
$1,529.99
MSI GP66 Leopard Gaming Laptop: 15.6" 144Hz FHD 1080p Display, Intel Core i7-10750H, NVIDIA GeForce RTX 3070, 16GB, 512GB SSD, Win10, Black (10UG-430)
MSI GP66 Leopard Gaming Laptop: 15.6" 144Hz FHD 1080p Display, Intel Core i7-10750H, NVIDIA GeForce RTX 3070, 16GB, 512GB SSD, Win10, Black (10UG-430)
By MSI
$1,548.00
MSI GP66 Leopard 15.6" 144Hz Gaming Laptop Intel Core i7-11800H RTX3070 16GB 1TB NVMe SSD Win11 VR Ready - Black (11UG-688)
MSI GP66 Leopard 15.6" 144Hz Gaming Laptop Intel Core i7-11800H RTX3070 16GB 1TB NVMe SSD Win11 VR Ready - Black (11UG-688)
By MSI
$1,738.00
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
$1,249.99
$1,999.99 38% OFF
MSI Stealth GS66 Gaming Laptop 15.6" FHD 240Hz 12th Gen Intel 14-core i7-12700H 32GB RAM 1TB SSD GeForce RTX 3070 Ti 8GB Graphic RGB Backlit Thunderbolt4 Dynaudio 2.5GB Lan Win11Pro Black + HDMI Cable
MSI Stealth GS66 Gaming Laptop 15.6" FHD 240Hz 12th Gen Intel 14-core i7-12700H 32GB RAM 1TB SSD GeForce RTX 3070 Ti 8GB Graphic RGB Backlit Thunderbolt4 Dynaudio 2.5GB Lan Win11Pro Black + HDMI Cable
By MSI
$1,479.00
MSI Stealth GS66 Gaming Laptop | 15.6" FHD 240Hz | Intel 14-core i7-12700H | 64GB DDR5 4TB SSD | GeForce RTX 3070 Ti 8GB | RGB Backlit Thunderbolt4 Dynaudio 2.5GB Ethernet Win11Pro Black + HDMI Cable
MSI Stealth GS66 Gaming Laptop | 15.6" FHD 240Hz | Intel 14-core i7-12700H | 64GB DDR5 4TB SSD | GeForce RTX 3070 Ti 8GB | RGB Backlit Thunderbolt4 Dynaudio 2.5GB Ethernet Win11Pro Black + HDMI Cable
By MSI
$1,799.00

Availability

MSI GP66 Leopard 10UXMSI GS66 Stealth
Released20212020
Release DateAnnounced on January 2021 (CES 2021)-

Exterior

MSI GP66 Leopard 10UXMSI GS66 Stealth
Dimensions14.09” x 10.51” x 0.92” (358 x 267 x 23.4 mm)14.10” x 9.76” x 0.72 ~ 0.79” (358.3 x 248 x 18.3 ~ 19.8 mm)
Weight5.24 lbs (2.38 kg)4.62 lbs (2.1 kg)
Keyboard and Trackpad
  • Full-size gaming keyboard with Per-Key RGB by SteelSeries
  • Silky smooth touchpad with multi-touch gesture
  • Per-Key RGB gaming keyboard by SteelSeries
  • Silky smooth touchpad with multi-touch gesture

Display

MSI GP66 Leopard 10UXMSI GS66 Stealth
Size15.6 Inches15.6 Inches
Info
  • 15.6" FHD 144Hz
    16:9 1920 x 1080 144Hz IPS-Level Anti-Glare 45% NTSC WVA
  • 15.6" FHD 144Hz with 100% sRGB
    16:9 1920 x 1080 144Hz IPS-Level Anti-Glare 100% sRGB WVA
  • 15.6" FHD 240Hz
    16:9 1920 x 1080 240Hz IPS-Level Anti-Glare 3ms response time WVA
  • 15.6" FHD 240Hz with 100% sRGB
    16:9 1920 x 1080 240Hz IPS-Level Anti-Glare 100% sRGB 3.5ms response time WVA
  • 15.6" UHD (3840x2160), IPS-Level
  • 15.6" FHD (1920x1080), 240Hz, IPS-Level
  • 15.6" FHD (1920x1080), 300Hz, IPS-Level

Ports

MSI GP66 Leopard 10UXMSI GS66 Stealth
  • 1 x USB Type-C 3.2 Gen 2
    With DisplayPort 1.4 support.
  • 3 x USB Type-A 3.2 Gen 1
  • 1 x RJ45
  • 1 x HDMI (4K @ 60Hz)
  • 1 x Mic-in/Headphone-out Combo Jack
  • 1 x DC-in
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

Internal Specs

MSI GP66 Leopard 10UXMSI GS66 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™ i7-10870H
    8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 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™ i7-10870H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  3. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 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
  • NVIDIA® GeForce RTX™ 3060 - 6GB GDDR6
    Supports up to 1802MHz Boost Clock, 130W Maximum Graphics Power with Dynamic Boost.
  • NVIDIA® GeForce RTX™ 3070 - 8GB GDDR6
    Supports up to 1660MHz Boost Clock, 130W Maximum Graphics Power with Dynamic Boost.
  • NVIDIA® GeForce RTX™ 3080 - 8GB GDDR6
    Supports up to 1635MHz Boost Clock, 130W Maximum Graphics Power with Dynamic Boost.
  • NVIDIA® GeForce RTX™ 3080 - 16GB GDDR6
    Supports up to 1635MHz Boost Clock, 130W Maximum Graphics Power with Dynamic Boost.
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.
Storage2 x M.2 SSD slot (NVMe PCIe Gen3)
  • 1x M.2 SSD slot (NVMe PCIe Gen3)
  • 1x M.2 SSD Combo slot (NVMe PCIe Gen3 / SATA)

Connectivity

MSI GP66 Leopard 10UXMSI GS66 Stealth
Wi-FiIntel Wi-Fi 6 AX201 
Dual band 2.4 GHz/5 GHz WiFi-6 (802.11ax)
802.11 AX Wi-Fi 6
BluetoothBluetooth 5.1Bluetooth 5.1
EthernetIntel KTI225V Gigabit LAN
Speed: 10/100/1000/2500 Mbps.
  • Killer Gigabit LAN
    Speed: 10/100/1000 Mbps.

Battery

MSI GP66 Leopard 10UXMSI GS66 Stealth
Size65 Wh (4-cell Li-Ion battery)99.9 Wh (4-cell Li-Polymer battery)
Power Supply
230W
proprietary power adapter
MSI GS66 Stealth 10SD/SE
  • 180W slim power adapter
MSI GS66 Stealth 10SF/SFS/SGS
  • 230W slim power adapter

Software

MSI GP66 Leopard 10UXMSI GS66 Stealth
OSWindows 10 HomeWindows 10 Home
Built-in Apps
Dragon Center MSI App Player SteelSeries Engine 3
-

Camera & Audio

MSI GP66 Leopard 10UXMSI GS66 Stealth
CameraHD Front-facing camera
720p (1280 x 720) camera.
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR camera for Windows Hello support.
Audio
  • 2 x 2W Speakers
  • Nahimic 3 and High-Resolution Audio ready
  • Array Microphone
  • 2x 2W Speaker
  • Sound by Dynaudio and Duo wave speaker
  • Array Microphone

Misc

MSI GP66 Leopard 10UXMSI GS66 Stealth
Security-
  • Enterprise-grade protection with Windows Hello face sign-in

Key Features

MSI GP66 Leopard 10UXMSI GS66 Stealth
At Glance
Released in Early
2021
16:9 FHD
15.6”
1080p 240Hz
Weight
5.24 lb
2.38 kg
Up to
Intel Core i7-10875H
8C/16T, 2.30 → 5.10 GHz
Geekbench 5
1,192
Single Core
Geekbench 5
6,874
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Upgradable up to
64GB
3200 MHz DDR4
NVIDIA GeForce
RTX 3080
16GB GDDR6 Dynamic Boost up to 130W
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

Comparison Summary

MSI GP66 Leopard 10UX vs. MSI GS66 Stealth

MSI has released the GP66 Leopard 10UX, a 15.6-inch machine, in early-2021. It is powered by up to an octa-core Intel Core i7-10875H with a boost clock speed up to 5.10 GHz. The laptop has a dedicated GPU option up to NVIDIA GeForce RTX 3080 with 16GB GDDR6 Dynamic Boost up to 130W.

On the other hand, we have the 15.6-inch GS66 Stealth was introduced by MSI about a year earlier in 2020. It comes with up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 2080 SUPER with 8GB GDDR6 with Max-Q.

Geekbench 5 Single Core

MSI GP66 Leopard 10UX1
10th Gen Intel® Core™ i7-10750H1,13492.72%
2
10th Gen Intel® Core™ i7-10870H1,15994.77%
3
10th Gen Intel® Core™ i7-10875H1,19297.47%
MSI GS66 Stealth1
10th Gen Intel® Core™ i7-10750H1,13492.72%
2
10th Gen Intel® Core™ i7-10875H1,19297.47%
3
10th Gen Intel® Core™ i9-10980HK1,223100.00%
01,223

Geekbench 5 Multi Core

MSI GP66 Leopard 10UX1
10th Gen Intel® Core™ i7-10750H5,41277.17%
2
10th Gen Intel® Core™ i7-10870H6,59694.05%
3
10th Gen Intel® Core™ i7-10875H6,87498.02%
MSI GS66 Stealth1
10th Gen Intel® Core™ i7-10750H5,41277.17%
2
10th Gen Intel® Core™ i7-10875H6,87498.02%
3
10th Gen Intel® Core™ i9-10980HK7,013100.00%
07,013

Both MSI GP66 Leopard 10UX and MSI GS66 Stealth have the same 15.6-inch display size. In addition, the MSI GP66 Leopard 10UX weighs 5.24 lbs. about 13% heavier than the 4.62 lbs. MSI GS66 Stealth. Moreover, measured at 14.09” x 10.51” x 0.92”, the MSI GP66 Leopard 10UX is much bulkier than the MSI GS66 Stealth at 14.10” x 9.76” x 0.77”.

MSI GP66 Leopard 10UXMSI GS66 Stealth

Moving over to upgradability, MSI claims that the MSI GP66 Leopard 10UX supports up to 64GB 3200 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also comes with two M.2 slots that users can easily upgrade and install an additional SSD to expand the storage on the device.

For MSI GS66 Stealth, it supports up to 64GB 3200 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.

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