MSI GS66 Stealth vs. 2020 ROG Zephyrus G14: Which is better?

Here is a side by side comparison between MSI GS66 Stealth and 2020 ROG Zephyrus G14 specs including CPU, RAM, storage, battery, display, and more.

MSI GS66 Stealth Pros

Reasons that MSI GS66 Stealth is better than 2020 ROG Zephyrus G14.

Supports larger memory

MSI GS66 Stealth supports a larger memory capacity than the 2020 ROG Zephyrus G14. It supports up to 64GB versus 32GB of system memory on the 2020 ROG Zephyrus G14.

Max system memory size
MSI GS66 Stealth
64 GB
2020 ROG Zephyrus G14
32 GB
11% larger display

MSI GS66 Stealth has a 15.6-inch screen size 11% larger than the 14-inch 2020 ROG Zephyrus G14.

Display size
MSI GS66 Stealth
15.6-inch
2020 ROG Zephyrus G14
14-inch
Has one more port and slot

MSI GS66 Stealth has more ports and slots count than the 2020 ROG Zephyrus G14. It has nine versus eight amount of ports and slots on the 2020 ROG Zephyrus G14.

PortsMSI GS66 Stealth2020 ROG Zephyrus G14
HDMIYesYes
headphone jackYesYes
lock slotNoYes
power portYesYes
RJ-45YesNo
Thunderbolt 3YesNo
USB-AYes x3Yes x2
USB-CYesYes x2
Total98
More versatile connectivity

MSI GS66 Stealth has better versatile I/O connectivity than the 2020 ROG Zephyrus G14. It has seven versus five commonly used ports and slots on the 2020 ROG Zephyrus G14.

PortsMSI GS66 Stealth2020 ROG Zephyrus G14
HDMIYesYes
headphone jackYesYes
power portYesYes
USB-AYesYes
USB-CYesYes
RJ-45YesNo
Thunderbolt 3YesNo

2020 ROG Zephyrus G14 Pros

Reasons that 2020 ROG Zephyrus G14 is better than MSI GS66 Stealth.

About 24% lighter

The 2020 ROG Zephyrus G14 weighed 3.52 pounds, 24% lighter than the 4.62 pounds MSI GS66 Stealth.

WeightMSI GS66 Stealth2020 ROG Zephyrus G14
Pound
4.62 lbs.
3.52 lbs.
Kilogram
2.10 kg
1.60 kg

Key Similars

Similar characteristics share between MSI GS66 Stealth and 2020 ROG Zephyrus G14.

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
2020 ROG Zephyrus G14 - AMD Ryzen 9-4900HS
6,956
MSI GS66 Stealth - Intel Core i7-10875H
6,874
2020 ROG Zephyrus G14 - AMD Ryzen 7-4800HS
6,597
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
MSI GS66 Stealth - DDR4
3,200 MHz
2020 ROG Zephyrus G14 - DDR4
3,200 MHz
Upgradable memory

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

MemoryMSI GS66 Stealth2020 ROG Zephyrus G14
Slots
x2
x0,1
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
$1,249.99
$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
2020 ROG Zephyrus G14 Price
2020 ASUS ROG Zephyrus G14 14" VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (24GB RAM|1TB PCIe SSD)
2020 ASUS ROG Zephyrus G14 14" VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (24GB RAM|1TB PCIe SSD)
By Asus
$1,138.00
ASUS 2020 ROG Zephyrus G14 14in VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (8GB RAM|512GB PCIe SSD)
ASUS 2020 ROG Zephyrus G14 14in VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (8GB RAM|512GB PCIe SSD)
By ASUS
$1,296.00
2020 ASUS ROG Zephyrus G14 14" VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (16GB RAM|512GB PCIe SSD)
2020 ASUS ROG Zephyrus G14 14" VR Ready FHD Gaming Laptop,8 cores AMD Ryzen 7 4800HS(Upto 4.2 GHzBeat i7-10750H),Backlight,HDMI,USB C,NVIDIA GeForce GTX 1650,Gray,Win 10 (16GB RAM|512GB PCIe SSD)
By ASUS
$929.00

Availability

MSI GS66 Stealth2020 ROG Zephyrus G14
Released20202020
Release Date-Announced at CES 2020 on January 06, 2020.
Generations-

Exterior

MSI GS66 Stealth2020 ROG Zephyrus G14
Dimensions14.10” x 9.76” x 0.72 ~ 0.79” (358.3 x 248 x 18.3 ~ 19.8 mm)
  • Width: 32.4cm (12.75”)
  • Depth: 22.2cm (8.74”)
  • Height:
    • Regular: 1.79cm (0.70”)
    • AniMe Matrix™: 1.99cm (0.78”)
Weight4.62 lbs (2.1 kg)
  • Regular: 1.6kg
  • AniMe Matrix™: 1.7kg
Colors-
Black White
Keyboard and Trackpad
  • Per-Key RGB gaming keyboard by SteelSeries
  • Silky smooth touchpad with multi-touch gesture
  • Backlit chicklet keyboard
  • Hotkeys: Volume up / Volume down / Microphone mute / ROG Armoury Crate
  • N key rollover

Display

MSI GS66 Stealth2020 ROG Zephyrus G14
Size15.6 Inches14 Inches
Info
  • 15.6" UHD (3840x2160), IPS-Level
  • 15.6" FHD (1920x1080), 240Hz, IPS-Level
  • 15.6" FHD (1920x1080), 300Hz, IPS-Level
  • 14-inch Non-glare WQHD (2560 x 1440) IPS-level panel, 60Hz, 100% sRGB, Pantone® Validated, adaptive sync
  • 14-inch Non-glare Full HD (1920 x 1080) IPS-level panel, 120Hz, 100% sRGB, Pantone® Validated, adaptive sync
  • 14-inch Non-glare Full HD (1920 x 1080) IPS-level panel, 60Hz, 100% sRGB, Pantone® Validated

Ports

MSI GS66 Stealth2020 ROG Zephyrus G14
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
2020 ROG Zephyrus G14 Ports
Image Source: ASUS
Left (4)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort 1.4, Power Delivery
  • 1 x HDMI
    v2.0b
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x power port
Right (4)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps)
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x lock slot

Internal Specs

MSI GS66 Stealth2020 ROG Zephyrus G14
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. AMD Ryzen™ 7 4800HS
    8 cores, 16 threads, 2.90 → 4.20 GHz, 4MB L2 Cache, 8MB L3 Cache, 35W
  2. AMD Ryzen™ 9 4900HS
    8 cores, 16 threads, 3.30 → 4.40 GHz, 4MB L2 Cache, 8MB L3 Cache, 35W
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. AMD Ryzen™ 7 4800HS
    AMD Radeon™ Graphics
    7 Graphics Cores, 1600 MHz
  2. AMD Ryzen™ 9 4900HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 1750 MHz
MemoryUp to 64GB 3200MHz Dual-channel DDR4 SDRAM
2 x SO-DIMM slots.
16GB 32GB
Dual-Channel DDR4 3200MHz Memory.
1 x 8GB or 16GB Onboard Memory and 1 x SODIMM slot
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.
ROG Zephyrus G14 GA401IV
  • NVIDIA® GeForce RTX™ 2060
    6GB GDDR6 VRAM (Boost Clock: 1285MHz, 65W).
ROG Zephyrus G14 GA401IU
  • NVIDIA® GeForce® GTX 1660 Ti
    6GB GDDR6 VRAM (Boost Clock: 1435MHz, 60W).
Storage
  • 1x M.2 SSD slot (NVMe PCIe Gen3)
  • 1x M.2 SSD Combo slot (NVMe PCIe Gen3 / SATA)
512GB 1TB
M.2 NVMe PCIe 3.0

Connectivity

MSI GS66 Stealth2020 ROG Zephyrus G14
Wi-Fi802.11 AX Wi-Fi 6Intel® Wi-Fi 6 with Gig+ performance (802.11ax)
BluetoothBluetooth 5.1Bluetooth 5.0
Ethernet
  • Killer Gigabit LAN
    Speed: 10/100/1000 Mbps.
-

Battery

MSI GS66 Stealth2020 ROG Zephyrus G14
Size99.9 Wh (4-cell Li-Polymer battery)76 Wh Li-Polymer
Battery Life-
  • Up to 10.7 hours
    Video playback.
  • Up to 9.5 hours
    Web browsing.
Power Supply
MSI GS66 Stealth 10SD/SE
  • 180W slim power adapter
MSI GS66 Stealth 10SF/SFS/SGS
  • 230W slim power adapter
180W power adaptor
Support Type-C PD 3.0 up to 65W.

Software

MSI GS66 Stealth2020 ROG Zephyrus G14
OSWindows 10 Home
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps-
Armoury Crate GameFirst VI GameVisual

Camera & Audio

MSI GS66 Stealth2020 ROG Zephyrus G14
Camera
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR camera for Windows Hello support.
  • No Built-in camera.
  • Support external ROG GC21 camera support 1080p@60Hz.
Audio
  • 2x 2W Speaker
  • Sound by Dynaudio and Duo wave speaker
  • Array Microphone
  • 2 x 2.5W speakers with Smart AMP technology
  • 2 x 0.7W tweeter, Array Microphones
  • With Dolby Atmos technology

Misc

MSI GS66 Stealth2020 ROG Zephyrus G14
Security
  • Enterprise-grade protection with Windows Hello face sign-in
  • One-Touch Login
    Fingerprint on the power button.
  • Kensington Lock Slot

Key Features

MSI GS66 Stealth2020 ROG Zephyrus G14
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
14”
1440p 60Hz
Weight
3.52 lb
1.60 kg
Up to
AMD Ryzen 9-4900HS
8C/16T, 3.30 → 4.40 GHz
Geekbench 5
1,080
Single Core
Geekbench 5
6,956
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 1750 MHz
Upgradable up to
32GB
3200 MHz DDR4
2020 ROG Zephyrus G14 Ports
Nvidia GeForce
RTX 2060
6GB GDDR6

Comparison Summary

MSI GS66 Stealth vs. 2020 ROG Zephyrus G14

MSI has released the GS66 Stealth, a 15.6-inch machine, in 2020. It is powered by up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. The laptop has a dedicated GPU option up to NVIDIA GeForce RTX 2080 SUPER with 8GB GDDR6 with Max-Q.

On the other hand, we have the 14-inch ROG Zephyrus G14 was introduced by ASUS around the same time in 2020. It comes with up to an octa-core AMD Ryzen 9-4900HS with a boost clock speed up to 4.40 GHz. It has a dedicated GPU option up to Nvidia GeForce RTX 2060 with 6GB GDDR6.

Geekbench 5 Single Core

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%
2020 ROG Zephyrus G141
AMD Ryzen™ 7 4800HS1,05185.94%
2
AMD Ryzen™ 9 4900HS1,08088.31%
01,223

Geekbench 5 Multi Core

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%
2020 ROG Zephyrus G141
AMD Ryzen™ 7 4800HS6,59794.07%
2
AMD Ryzen™ 9 4900HS6,95699.19%
07,013

The MSI GS66 Stealth has a 15.6-inch display which is slightly larger than the 14-inch 2020 ROG Zephyrus G14. In addition, the MSI GS66 Stealth weighs 4.62 lbs. about 31% heavier than the 3.52 lbs. 2020 ROG Zephyrus G14. Moreover, measured at 14.10” x 9.76” x 0.77”, the MSI GS66 Stealth is much bulkier than the 2020 ROG Zephyrus G14 at 12.75” x 8.74” x 0.7”.

MSI GS66 Stealth2020 ROG Zephyrus G14

There are a toal number of 9 ports and slots available on MSI GS66 Stealth. That includes a Thunderbolt 3 port, three USB-A ports, an HDMI port, a power port, a USB-C port, an RJ-45 port, and a headphone jack. With that said, it has a port or slot more than the 2020 ROG Zephyrus G14 that has two USB-C ports, an HDMI port, a headphone jack, a power port, two USB-A ports, and a lock slot.

Moving over to upgradability, MSI claims that the MSI GS66 Stealth 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. On top of that, it also has a single SATA slot that users can use to install a 2.5-inch SATA SSD, SSHD, or a hard disk drive to add even more storage.

For 2020 ROG Zephyrus G14, it supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also has a single removable M.2 SSD slot that users can replace or upgrade when needed.

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