MSI GS66 Stealth review – a change that is more than welcome

Ever since the first Stealth series from MSI was released, the laptop world was baffled and headed towards change. We started seeing a lot of thin and light gaming notebooks, which became better and better as time passed.

This is also valid for the GS6X Stealth series. Last year, the design got better, and it looked sleek and stylish, rather than aggressively gamer-ish. Then we fast-forward to today. When the GS66 Stealth series looks like an industrial package, cut from a block of metal. Well, there is still the SteelSeries RGB keyboard that gives it away when it’s turned on.

Generally, it packs beast hardware. We are talking about up to Core i9-10980HK, and an RTX 2080 Super Max-Q. So the performance it offers should be great. Also, the display options start from 144Hz and go to 240Hz and 300Hz, all of which are IPS panels.

Everything seems great, but last year there were some issues with the GS65 Stealth, including difficult upgradeability and poor thermals. We really hope that MSI has worked on that, and surely, you’ll know at the end of this review.

You can check the prices and configurations in our Specs System: https://laptopmedia.com/series/msi-gs66-stealth-10sgx-10sfx/

Contents


Video Review


Specs Sheet

MSI GS66 Stealth (10Sx / 10Ux) - Specifiche

  • Sharp LQ156M1JW03 (SHP14C5)
  • Precisione del colore  0.8  0.7
  • HDD/SSD
  • fino a 8000GB SSD + fino a 1000GB HDD
  • RAM
  • up to 64GB
  • OS
  • No OS, Windows 10 Home, Windows 10 Pro
  • Batteria
  • 99.9Wh, 4-cell
  • Materiale del corpo
  • Aluminum
  • Dimensioni
  • 359.9 x 245.1 x 18 mm (14.17" x 9.65" x 0.71")
  • Peso
  • 2.10 kg (4.6 lbs)
  • Porte e connettività
  • 3x USB Type-A
  • 3.2 Gen 2 (10 Gbps)
  • 1x USB Type-C
  • Thunderbolt 3, Power Delivery (PD), DisplayPort
  • 1x USB Type-C
  • 3.2 Gen 2 (10 Gbps)
  • HDMI
  • 2.0 (4K@60Hz)
  • Ethernet LAN
  • Killer E3100 Ethernet
  • Wi-Fi
  • 802.11ax
  • Bluetooth
  • 5.0
  • Jack audio
  • 3.5 mm combo
  • Caratteristiche
  • Lettore di impronte digitali
  • optional
  • Telecamera web
  • HD
  • Tastiera retroilluminata
  • Microfono
  • Altoparlanti
  • 2x 2W, Dynaudio
  • Unità ottica
  • Fessura del blocco di sicurezza

What’s in the box?

Inside the package, you will find a 230Wh power brick, unless you get the RTX 2060 version, which comes with a 180W adapter.


Design and construction

First, let’s start with the design. It is an all-metal body with a pretty boxy look. Honestly, we really like it as it makes for a very compact device. This incognito-style notebook has a profile that goes from 18.3 to 19.8mm and weighs 2.10 kg, marking a slight increase in both height and weight, compared to last year. So far – the expectations are high that we’re getting a better cooling setup.

Obviously, the lid opens with a single hand, and inside we are met by thin top and side bezels, as well as a relatively bulky chin. Also, the camera is located above the display and it has an HD resolution, and… surprise, surprise – an IR face recognition sensor. By the way, the display has a matte finish, and while the placement of the hinges implies stability, we found it to be a bit bouncy when you push the laptop.

Next, we go to the base. There, we see the keyboard, which sports Per-Key RGB backlight, tuned by SteelSeries software. All-in-all we found the travel to be a bit short, but thankfully, the feedback is clicky. We’re not very fond of the gaming experience it offers, but at least you get full-sized Arrow keys, right?

As you can see, there is a pretty large grill above the keyboard. Well, make no mistake – this is not for your speakers, but rather for ventilation, which is good because your laptop won’t go out of breath when you place it in your bed.

And further down below, you will find the enormous touchpad. Actually, its height is not that impressive, but the width is quite big. Its surface is glass, which provides very good gliding, while the response is on point, especially with the high-refresh-rate displays. On the downside, we noticed that when you press the area between the touchpad and the Space bar, it sometimes registers clicks. Keep in mind it might very well be an issue with our unit, so there’s no need to panic.

And on the bottom panel, you’ll see the huge ventilation grill only, because the speakers are actually firing towards yourself. As for the exhaust it happens through a total of four vents – two on the back, and one on each side.

Ports

On the left, you get the power plug, a Thunderbolt 3 connector, an HDMI connector, and a USB Type-A 3.2 (Gen. 2) port. Switch sides, and you’ll see an RJ-45 connector, two USB Type-A 3.2 (Gen. 2) ports, a USB Type-C 3.2 (Gen. 2) port, and an audio jack.


Disassembly, upgrade options, and maintenance

In order to get inside of this notebook, there are 9 Phillips-head screws you need to undo. Keep in mind that one of them has a Factory seal, which may or may not void your warranty.

Here, we see a huge improvement over last year’s GS65 Stealth. Finally, the motherboard is placed the right side up, so you can see the cooling and upgrade everything you need without the need of removing the entire board. Here, the cooling solution consists of 7 heat pipes. Three of them are cooling only the processor, and three are cooling the GPU. One of the latter is pretty thick and connects to two heat sinks. By the way, the amount of heat sinks here is four, the fans are three, and as you can see, the VRMs and the graphics memory are also cooled by some metal brackets and a heat pipe.

In terms of upgradeability, there are two RAM SODIMM slots, supporting up to 64GB of DDR4 memory. And for storage, you get two M.2 PCIe x4 slots with RAID support, and one of them can fit M.2 SATA drives as well.

Thankfully, the battery here is huge. Actually, it is the maximum allowed on airplanes – 99.9 Wh.


Display quality

Our sample of the MSI GS66 Stealth comes with a 240Hz Full HD IPS panel with model number Sharp LQ156M1JW03 (SHP14C5). Its diagonal is 15.6″ (39.62 cm), and the resolution – 1920 х 1080. Expectedly, the screen ratio is 16:9, the pixel density – 141 ppi, their pitch – 0.18 x 0.18 mm. The screen can be considered Retina when viewed from at least 60 cm (24″) (from this distance, the average human eye can’t see the individual pixels and is excellent for a laptop).

It has comfortable viewing angles. We have provided images at 45 degrees to evaluate quality.

This laptop is equipped with an MSI True Color app, which offers five presets of display settings – Gamer, AntiBlue, sRGB, Office, and movie.


Additionally, the software has a calibration option, which supports X-Rite i1Display Pro, SpectraCal C3, and SpectraCal C6.


All of the following measurements are made with the “sRGB” display profile.

The maximum measured brightness is 281 nits (cd/m2) in the middle of the screen and 270 nits (cd/m2) average across the surface with a maximum deviation of 8%. The Correlated Color Temperature on a white screen and at maximum brightness is 6440K (average) – almost matching the 6500K optimum for sRGB.

In the illustration below you can see how the display performs from a uniformity perspective. The illustration below shows how matters are for operational brightness levels (approximately 140 nits) – in this particular case at 44% Brightness (White level = 141 cd/m2, Black level = 0.13 cd/m2).
Values of dE2000 over 4.0 should not occur, and this parameter is one of the first you should check if you intend to use the laptop for color-sensitive work (a maximum tolerance of 2.0 ). The contrast ratio is good – 1040:1.

To make sure we are on the same page, we would like to give you a little introduction to the sRGB color gamut and the Adobe RGB. To start, there’s the CIE 1976 Uniform Chromaticity Diagram that represents the visible specter of colors by the human eye, giving you a better perception of the color gamut coverage and the color accuracy.

Inside the black triangle, you will see the standard color gamut (sRGB) that is being used by millions of people in HDTV and on the web. As for the Adobe RGB, this is used in professional cameras, monitors, etc for printing. Basically, colors inside the black triangle are used by everyone and this is the essential part of the color quality and color accuracy of a mainstream notebook.

Still, we’ve included other color spaces like the famous DCI-P3 standard used by movie studios, as well as the digital UHD Rec.2020 standard. Rec.2020, however, is still a thing of the future and it’s difficult for today’s displays to cover that well. We’ve also included the so-called Michael Pointer gamut, or Pointer’s gamut, which represents the colors that naturally occur around us every day.

The yellow dotted line shows MSI GS66 Stealth’s color gamut coverage.

Its display covers 95% of the sRGB/ITU-R BT.709 (web/HDTV standard) in CIE1976.

In addition to the default presets, we created more profiles. Below, you can see a comparison between our profile and the sRGB preset.

Our “Design and Gaming” profile delivers optimal color temperature (6500K) at 140 cd/m2 luminance and sRGB gamma mode.

We tested the accuracy of the display with 24 commonly used colors like light and dark human skin, blue sky, green grass, orange, etc. You can check out the results at factory condition and also, with the “Design and Gaming” profile.

Below you can compare the scores of MSI GS66 Stealth with the default settings (left), and with the “Gaming and Web design” profile (right).

The next figure shows how well the display is able to reproduce really dark parts of an image, which is essential when watching movies or playing games in low ambient light.

The left side of the image represents the display with stock settings, while the right one is with the “Gaming and Web Design” profile activated. On the horizontal axis, you will find the grayscale, and on the vertical axis – the luminance of the display. On the two graphs below you can easily check for yourself how your display handles the darkest nuances but keep in mind that this also depends on the settings of your current display, the calibration, the viewing angle, and the surrounding light conditions.

Response time (Gaming capabilities)

We test the reaction time of the pixels with the usual “black-to-white” and “white-to-black” method from 10% to 90% and vice versa.

We recorded Fall Time + Rise Time = 10 ms. Combined with the 240Hz refresh rate this screen is superb for gaming purposes.


Health impact – PWM / Blue Light

PWM (Screen flickering)

Pulse-width modulation (PWM) is an easy way to control monitor brightness. When you lower the brightness, the light intensity of the backlight is not lowered, but instead turned off and on by the electronics with a frequency indistinguishable to the human eye. In these light impulses, the light/no-light time ratio varies, while brightness remains unchanged, which is harmful to your eyes. You can read more about that in our dedicated article on PWM.

MSI GS66 Stealth’s display is PWM-free above 71 cd/m2. The backlight uses PWM below 20% brightness and it has a high-enough frequency, so it doesn’t introduce an excessive strain to the eyes in this aspect.

Blue light emissions

Installing our Health-Guard profile not only eliminates PWM but also reduces the harmful Blue Light emissions while keeping the colors of the screen perceptually accurate. If you’re not familiar with the Blue light, the TL;DR version is – emissions that negatively affect your eyes, skin, and your whole body. You can find more information about that in our dedicated article on Blue Light.

Conclusions

MSI GS66 Stealth’s IPS panel has a Full HD resolution, comfortable viewing angles, and a good contrast ratio. Moreover, it sports a wide color coverage with 95% of the sRGB gamut, and its backlight doesn’t flicker at luminance levels above 71 nits (below that, the frequency is very high, which is good). Using the sRGB preset not only provides you wide color coverage, but also accurate color representation. Combined with the 240Hz refresh rate and quick pixel response times, this device is great for gaming, professional work, and retail purposes.

Buy our profiles

Since our profiles are tailored for each individual display model, this article and its respective profile package are meant for MSI GS66 Stealth configurations with 15.6″ Sharp LQ156M1JW03 (SHP14C5) (FHD, 1920 x 1080) IPS.

*Should you have problems with downloading the purchased file, try using a different browser to open the link you’ll receive via e-mail. If the download target is a .php file instead of an archive, change the file extension to .zip or contact us at [email protected].

Read more about the profiles HERE.

Oltre a ricevere profili efficienti e rispettosi della salute, comprando i prodotti di LaptopMedia sostenete anche lo sviluppo dei nostri laboratori, dove testiamo i dispositivi per produrre le recensioni più obiettive possibili.

Lavoro in ufficio

Lavoro in ufficio dovrebbe essere usato soprattutto dagli utenti che passano la maggior parte del tempo a guardare pezzi di testo, tabelle o semplicemente a navigare. Questo profilo mira a fornire una migliore distinzione e chiarezza mantenendo una curva gamma piatta (2.20), una temperatura di colore nativa e colori percettivamente accurati.

Design e gioco

Questo profilo è rivolto ai designer che lavorano professionalmente con i colori, e anche per giochi e film. Design and Gaming porta i pannelli di visualizzazione ai loro limiti, rendendoli il più accurati possibile nello standard sRGB IEC61966-2-1 per Web e HDTV, al punto di bianco D65.

Salute-Guardia

Salute-Guardia elimina la nociva Pulse-Width Modulation (PWM) e riduce la luce blu negativa che colpisce i nostri occhi e il nostro corpo. Essendo personalizzato per ogni pannello, riesce a mantenere i colori percettivamente accurati. Salute-Guardia simula la carta, quindi la pressione sugli occhi è notevolmente ridotta.

Ottenete tutti e 3 i profili con il 33% di sconto


Sound

MSI GS66 Stealth’s Dynaudio speakers are a bit disappointing. Although there are no deviations across the entire frequency spectrum, we found it to be a bit muffled.


Drivers

All of the drivers and utilities for this notebook can be found here: https://www.msi.com/Laptop/support/GS66-Stealth-10SX

Battery

Now, we conduct the battery tests with Windows Better performance setting turned on, screen brightness adjusted to 120 nits, and all other programs turned off except for the one we are testing the notebook with. This notebook’s huge 99.9Wh battery offers 6 hours and 58 minutes of Web browsing, and 7 hours and 42 minutes of video playback.


CPU options

This device is sold with processors part of the Comet Lake-H family. Your options include the Core i7-10750H (6c/12t), Core i7-10875H (8c-16t), Core i9-10980HK (8c/16t).


GPU options

In terms of graphics, you can get the GeForce RTX 2060, RTX 2070 Max-Q, RTX 2070 Super Max-Q, and the RTX 2080 Super Max-Q.


Gaming tests

Far Cry 5Full HD, Normal (Check settings)Full HD, High (Check settings)Full HD, Ultra (Check settings)
NVIDIA GeForce RTX 2070 Max-Q108 fps100 fps93 fps

rise-of-the-tomb-raider

Rise of the Tomb Raider (2016)Full HD, Medium (Check settings)Full HD, Very High (Check settings)Full HD, MAX (Check settings)
NVIDIA GeForce RTX 2070 Max-Q132 fps71 fps47 fps

Tom Clancy’s Ghost Recon WildlandsFull HD, High (Check settings)Full HD, Very High (Check settings)Full HD, Ultra (Check settings)
NVIDIA GeForce RTX 2070 Max-Q83 fps72 fps48 fps

Shadow of the Tomb Raider (2018)Full HD, Medium (Check settings)Full HD, High (Check settings)Full HD, Highest (Check settings)
NVIDIA GeForce RTX 2070 Max-Q91 fps85 fps55 fps

Temperatures and comfort

Max CPU load

In this test we use 100% on the CPU cores, monitoring their frequencies and chip temperature. The first column shows a computer’s reaction to a short load (2-10 seconds), the second column simulates a serious task (between 15 and 30 seconds), and the third column is a good indicator of how good the laptop is for long loads such as video rendering.

Average core frequency (base frequency + X); CPU temp.

Intel Core i7-10750H (45W TDP)0:02 – 0:10 sec0:15 – 0:30 sec10:00 – 15:00 min
MSI GS66 Stealth3.66 GHz (B+41%) @ 94°C3.56 GHz (B+37%) @ 95°C2.97 GHz (B+14%) @ 91°C
HP Omen 15 2019 (15-dh1000)4.03 GHz (B+55%) @ 96°C3.87 GHz (B+45%) @ 97°C3.65 GHz (B+40%) @ 96°C
MSI GF65 Thin 10Sx3.59 GHz (B+38%) @ 95°C3.48 GHz (B+34%) @ 95°C3.08 GHz (B+18%) @ 91°C
HP Pavilion Gaming 16 (16-a0000)3.74 GHz (B+44%) @ 97°C3.17 GHz (B+22%) @ 88°C2.98 GHz (B+15%) @ 78°C
Acer Predator Helios 300 (PH315-53)3.56 GHz (B+37%) @ 76°C3.52 GHz (B+35%) @ 85°C2.98 GHz (B+15%) @ 75°C
Dell G5 15 55003.82 GHz (B+47%) @ 75°C3.63 GHz (B+40%) @ 99°C3.01 GHz (B+16%) @ 81°C
ASUS ROG Strix G15 G5124.16 GHz (B+60%) @ 81°C3.99 GHz (B+53%) @ 95°C3.52 GHz (B+35%) @ 87°C
Lenovo Legion 7 (15)3.78 GHz (B+45%) @ 80°C3.69 GHz (B+42%) @ 83°C3.51 GHz (B+35%) @ 83°C

Interestingly, only one of the three fans spins when there is only CPU load applied. This greatly reduces the efficiency of the cooling, which is reflected on the results we got.

Real-life gaming

NVIDIA GeForce RTX 2070 Max-QGPU frequency/ Core temp (after 2 min)GPU frequency/ Core temp (after 30 min)GPU frequency/ Core temp (Turbo mode)
MSI GS66 Stealth1356 MHz @ 74°C1331 MHz @ 78°C
MSI GS75 Stealth1425 MHz @ 74°C1380 MHz @ 81°C
Acer Predator Helios 300 17 (2019)1364 MHz @ 66°C1351 MHz @ 78°C1529 MHz @ 71°C
Lenovo Legion Y740 17″1269 MHz @ 76°C1236 MHz @ 80°C

If we have to be honest, despite the quite high temperatures of the RTX 2070 Max-Q, it appears to work pretty well, especially compared to the Legion Y740 17″. Well, the Predator Helios 300 17 (2019) with its Turbo mode, annihilates what we got here, but it was significantly louder, as well. By the way, this unit has an 80W version of this GPU.

Gaming comfort

Well, the fans are clearly spinning up during gaming. But this is not what worries us. Instead, we were more baffled by the temperatures on the bottom panel, which don’t seem to be improved over last year’s notebook. Keep the GS66 Stealth away from your legs.


Verdict

From the design to the inside, the GS66 Stealth is miles ahead of its predecessor. Not only it looks better (in our view), but it is sturdier and offers upgrade options that are far easier to access. Also, the 99.9Wh battery lasts for almost 7 hours of Web browsing and 40 minutes more of video playback – you can definitely bring your gaming machine to class, a seminar, or just at the coffee shop.

One of the best features of this device is the display. MSI GS66 Stealth’s IPS panel (Sharp LQ156M1JW03 (SHP14C5)) has a Full HD resolution, comfortable viewing angles, and a good contrast ratio. Moreover, it sports a wide color coverage with 95% of the sRGB gamut, and its backlight doesn’t flicker at luminance levels above 71 nits (below that, the frequency is very high, which is good). Using the sRGB preset not only provides you wide color coverage, but also accurate color representation. Combined with the 240Hz refresh rate and quick pixel response times, this device is great for gaming, professional work, and retail purposes.

Not many displays feature calibration software embedded into their Gamer-centric apps. And we really appreciate it. This, combined with the capable hardware that spans to Core i9-10980HK, and RTX 2080 Super Max-Q, and that can fit 64GB of DDR4 memory and two M.2 drives are something that not only gamers will like. Content creators, 3D designers, and architects might find using this machine a piece of cake.

Also, it has Wi-Fi 6 support, as well as a Thunderbolt 3 port. Sadly, it lacks an SD card slot in any form, and the keyboard isn’t the best for typing and gaming. Nevertheless, you can enjoy Per-Key RGB backlighting, so you get 50 points of coolness more than your non-RGB friends.

So once again, another year has passed, and MSI has left another small (or not so small) issue to be solved. Once they fix the external temperatures of their Stealth series, we would definitely be recommending them. Until then, please use a cooling pad. Also, you can check the Lenovo Legion 7 (15), which is a very decent machine, as well.

Pros

  • Responsive touchpad, Thunderbolt 3, and Wi-Fi 6 support
  • Takes up to 64GB of DDR4 memory and has two M.2 slots
  • The display is PWM-free above 25% brightness (and the frequency of the flickers is high-enough below that) (Sharp LQ156M1JW03)
  • 240Hz refresh rate and quick pixel response times (Sharp LQ156M1JW03)
  • 95% sRGB coverage and great color accuracy + a lot of customization options with the included software (Sharp LQ156M1JW03)
  • Capable hardware inside of a thin, relatively light, and well-built chassis
  • IR face recognition system on board


Cons

  • Lacks an SD card reader
  • The laptop gets pretty hot on the outside during gaming
  • The keyboard is a bit underwhelming, despite its Per-Key RGB backlight

You can check the prices and configurations in our Specs System: https://laptopmedia.com/series/msi-gs66-stealth-10sgx-10sfx/

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