Comparison of MSI GS66 Stealth 15″ (GS6611618) vs Razer Blade 15 (RZ09-0409CEA3-R3U1)
Comparison of Razer Blade 15 (RZ09-0409CEA3-R3U1) vs MSI GS66 Stealth 15″ (GS6611618)

MSI GS66 Stealth 15″ (GS6611618) vs Razer Blade 15 (RZ09-0409CEA3-R3U1)


Comparison summary

For performance MSI GS66 Stealth 15″ has a better processor.

The laptops have different operating systems, GS66 Stealth has Windows 10 and Razer Blade 15 has Windows 11.

Blade 15 features a higher resolution screen (Quad HD).

Blade 15 is slimmer and smaller in size.

GS66 Stealth is cheaper.

Compare technical specifications of MSI GS66 Stealth 15″ (GS6611618)
Compare technical specifications of Razer Blade 15 (RZ09-0409CEA3-R3U1)

MSI GS66 Stealth 15″ (GS6611618)

Razer Blade 15 (RZ09-0409CEA3-R3U1)

Compare specifications

MSI GS66 Stealth 15″ (GS6611618)Razer Blade 15 (RZ09-0409CEA3-R3U1)
Processor (CPU)?Central Processing Unit is the heart of a laptop and is responsible for executing programs.
Intel Core i9-11900HIntel Core i7 Series
Memory (RAM)?Memory increases the general speed of a laptop.
Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs.
GeForce RTX 3080GeForce RTX 3080
Screen size
Screen resolution
Full HD (1920 x 1080 pixels)Quad HD (2560 x 1440 pixels)
4.63 lbs (2.1 kg)4.4 lbs (2 kg)
Size (length x width x height)
14.17 x 9.65 x 0.71 inches13.98 x 9.25 x 0.62 inches
(35.99 x 24.51 x 1.8 cm)(35.51 x 23.49 x 1.57 cm)
Operating system (OS)
Windows 10Windows 11
Hard drives
1000gb SSD1000gb SSD
Release date
August 29, 2021August 12, 2021 List Price
$3,249.00$3,164.88 Lowest New Price
Buy on Amazon.comBuy on

Game compatibility checker

Laptop Dimensions

14.17 in
35.99 cm
9.65 in
24.51 cm
Thickness: 0.71 in (1.8 cm)
13.98 in
35.51 cm
9.25 in
23.49 cm
Thickness: 0.62 in (1.57 cm)

Compare MSI GS66 Stealth 15″ / Razer Blade 15 vs other gaming laptops:

Compare MSI GS66 Stealth 15″ (GS6611618) vs ASUS ZenBook Pro Duo 15 (UX582HS-XH99T)
ASUS ZenBook Pro Duo 15
Compare MSI GS66 Stealth 15″ (GS6611618) vs Razer Blade 15 (RZ09-0421PEF3-R3U1)
Razer Blade 15
Compare MSI GS66 Stealth 15″ (GS6611618) vs ASUS ROG Strix Scar 17 (G733ZX-DS94)
ASUS ROG Strix Scar 17
$3,049.00 description

MSI GS66 Stealth Thin and Light Gaming Laptop: 15.6" 360Hz FHD 1080p, Intel Core i9-11900H, NVIDIA GeForce RTX 3080, 32GB, 1TB SSD, Thunderbolt 4, WiFi 6E, Per-Key RGB, Win10 Pro, Core Black(11UH-618)

Ray-Tracing: The NVIDIA GeForce RTX 3080 Laptop GPU powered by the NVIDIA 2nd gen RTX architecture for the most realistic ray-traced graphics and cutting-edge AI features.

Powered Up: The 11th Gen. Intel Core i9 processor to deliver maximum efficiency in gameplay, multi-task work and productivity.

Smooth Display: The 15.6” 360Hz 2ms display delivers lightning fast refresh rate for smooth and vibrant gameplay.

High-Speed Data: Thunderbolt 4 and DDR4-3200 memory for the fastest data transfer, system speed and responsiveness.

Play Cool: With the latest Cooler Boost Trinity+ using 3 fans and 7 heat pipes to ensure optimal thermal dissipation and provide the best gaming experience.

Customizable Lighting: Customize each key to your liking and receive real time in-game status updates through keyboard lighting.


Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 3080 - 11th Gen Intel 8-Core i7 CPU - 15.6” QHD 165Hz - 32GB RAM - 1TB SSD - CNC Aluminum - Chroma RGB - THX Spatial Audio - Thunderbolt 3

NVIDIA GeForce RTX 30 Series Graphics for Stunning Visuals: Built on NVIDIA’s award-winning 2nd-gen RTX architecture, these GPUs provide the most realistic ray-traced graphics and cutting-edge AI features for the most powerful graphics in a gaming laptop.

Intel 11th Gen 8-Core CPU for All-out Gaming Performance: Run the heaviest AAA titles and creation tasks without breaking a sweat, and activate Intel Turbo Boost Technology for a jolt of speed that brings the i7 processor up to 5.1GHz.

Next-gen Displays to Meet Your Needs: Go with ultra-fast 360Hz FHD for competitive gaming, OLED UHD for creative work with 4K clarity, or a 165z QHD display for the best of both worlds.

Vapor Chamber Cooling for Maximized Thermal Performance: The laptop quietly and efficiently dissipates heat through the evaporation and condensation of an internal fluid, keeping it running smoothly and coolly even under intense loads.

Advanced Connectivity for Greater Convenience: With built-in WiFi-6 and a UHS-III SD card slot, you can cut down on adapters and travel light.

Windows 11 Compatible: Includes Windows 10 Home with a free upgrade to Windows 11 when available through Windows Update – experience the best Windows ever for gaming with superior graphics and faster load times