Wireless Networking

Wireless networking used to be the Achilles heel of Surface devices, with Microsoft utilizing some very bad network adapters. Thankfully, they have come around, and are now offering Intel wireless solutions on pretty much all of their new devices. In the case of the Surface Laptop Studio, that is the Intel Wireless AX200 which is Wi-Fi 6 capable. Surprisingly they did not opt for the AX210 with Wi-Fi 6E support, but realistically the adoption of 6 GHz Wi-Fi must be still almost zero.

WiFi Performance - TCP

Wireless performance, as expected with the industry-leading Intel networking card, is fantastic. Never once was there a hiccup with the wireless, and the speeds are impressive if you have a Wi-Fi 6 capable router.

Audio

In a first for the Surface team, the Surface Laptop Studio incorporates woofers as well as tweeters to broaden the audio response. The woofers radiate out through the sides of the device, while the tweeters fire up through the keyboard. This works very well in most situations, since the tweeters are facing you, but if you fold the display down it does attenuate the signal somewhat.

The new speaker setup sounds very good, and the woofers clearly help out on the low-end of the spectrum. The speakers also get incredibly loud with 90 dB(A) measured an inch over the trackpad. That makes sense, as Microsoft claims six watts of power to each side’s woofer/tweeter combo which is a lot for a notebook computer.

Thermals

In a somewhat unusual move, the cooling system in the Surface Laptop Studio draws cool air in at the back and exhausts it out the sides at the front of the device, which is where the two cooling fans are located. This somewhat odd design can make the palm rest area warm to the touch under sustained load, while the keyboard area stays cool. This is pretty much the opposite of most devices which exhaust the hot air out the back. That doesn’t mean this is a poor design, as we will see in a moment, but is an interesting design decision.

The Intel Core i7-11370H in the review unit is rated for a TDP of 35 Watts, whereas the GPU from NVIDIA is rated between 35 Watts and 80 Watts. Considering the AC adapter is only rated for 95 Watts to the laptop (remember 7 Watts are for the Type-A charging port integrated into it) we can estimate the GPU is going to be on the lower end of the TDP scale from NVIDIA.

To see how the device performs, first it was put through a CPU stress test using AIDA64’s built in utility and monitoring.

The 35-Watt processor peaked at about 50 Watts, and then moved to a sustained 40 Watts power draw with the laptop set in its best performance setting. Unsurprisingly with just the CPU loaded, there was no thermal throttling, and although the CPU peaked at 100°C in its initial 50-Watt burst, it fell to a steady 80°C for the remainder of the stress test.

To get a feel for how the Surface Laptop Studio deals with a more sustained load, Shadow of the Tomb Raider was run for an extended period.

Like the CPU, the GPU also got a bit of extra boost at the start and was able to draw about 50 Watts at the beginning of the test before settling down to just under 40 Watts for the sustained portion. The GPU temperature averaged only 65°C during the test, which is quite low, so the cooling system is doing a good job. Maximum SPL from the fans was 50 dB(A) measured one inch over the trackpad. It isn’t silent under load, but it never gets overly loud either. At idle, the system is completely silent.

With the 95-Watt AC adapter output, it is no surprise to see that Microsoft was very conservative on the GPU power limits. NVIDIA allows the manufacturer to set the TDP along a range of 35 Watts to 80 Watts, and Microsoft was much closer to the low end of the range at 40 Watts sustained.

Software

The Surface Laptop Studio is one of the first devices to ship with Windows 11 and the actual design of the device is mirrored by the OS. The rounded corners of the laptop are very much in-line with the rounded corners throughout Windows 11, and it is very impressive to see Microsoft tie the two together.

As a Microsoft device, there is also no third-party utilities of any kind. There is no trialware for antivirus, although there are some third-party application stubs available to install. The main application for Surface is aptly called Surface, and lets you configure the system.

In the Surface App you can set the battery Smart Charging up as well as access the Help and Warranty if needed. Unlike most device applications that we see today from other manufactures, Microsoft does not need to include any sort of system update utilities since they already have a solution you may have heard of called Windows Update, which is where all Surface updates, including firmware updates, are delivered.

The Surface app also lets you configure the Surface Slim Pen 2, as well as other Surface accessories.

For Windows 11, the app has been updated, and although it does not offer a lot of functionality, it does do its job well and looks wonderful.

Battery Life and Charge Time Final Words
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  • cknobman - Tuesday, October 5, 2021 - link

    I feel like Microsoft made a bad decision to go with the 3050ti.
    Nvidia hamstrung the 3050ti really bad with its memory capacity and bandwidth.

    One of the few times I'd say save your money and stick with integrated graphics.
  • Manch - Tuesday, October 5, 2021 - link

    Maybe a mid year refresh will have their in house discrete GPU's.

    I like the Surface book. This like all other foldables is a compromise. The book, disconnects and I have a nice thin tablet, connect, I have an excellent laptop with great battery, KB/TP and a DGPU. both of these are noticeably heavier than the previous kitted out Surface Book. Wish they'd keep selling the Book.
  • tipoo - Tuesday, October 5, 2021 - link

    This isn't really a gaming system and the RTX stuff can help with some pro apps (such as OptiX), there's not really a comparable IGP yet.
  • gescom - Tuesday, October 5, 2021 - link

    I feel like Microsoft also made a bad decision to go with a 4 core Intel cpu.
  • timecop1818 - Wednesday, October 6, 2021 - link

    As opposed to what, 8 core piece of shit from AMD that doesn't have USB 4.0 or working IGPU?
  • Prestissimo - Wednesday, October 6, 2021 - link

    You know what's funny? "Acer ConceptD 3 Ezel 14" laptop is basically identical to this (because MS copied it), but the original Acer wisely used a 8-Core Intel + GTX 1650 and saved a few bucks on their low-end model.

    The Ezel 3 costs $1200 on eBay right now, VS the SLS that costs $2500 with a 2 year warranty, for almost identical specs.

    Acer will refresh their whole Ezel lineup (5 laptops, goes up to i9/Xeon and 3080/Quadro A5000) in a few weeks, and for $2500 that Microsoft charges, you can buy the Acer Ezel 7 that will have an i7-11800H + 3060, and a much better Wacom EMR stylus.
  • cknobman - Wednesday, October 6, 2021 - link

    Oh wow good catch!!
    Looking at the Acer it appears like Microsoft did copy their design.
  • edzieba - Friday, October 15, 2021 - link

    That 'flip screen' form factor dates at least back to the 2013 Vaio Flip, and I'm pretty sure there was at least one Netbook (remember those?) that used that layout even earlier.
  • Tams80 - Thursday, October 7, 2021 - link

    It's a shame that the ConceptD 3 Ezel uses AES. The 7 is a bit too big, but Wacom EMR...
  • Prestissimo - Saturday, October 9, 2021 - link

    The device comes included with AES 1.0 but third party AES 2.0 pens do work on it, which is on par with the Surface Slim Pen 2's performance in terms of diagonal jitter and input lag.

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