Design

When Microsoft first launched the Surface lineup, the design team was very much about bringing new form factors to the PC space. The original Surface RT and Surface Pro introduced the kickstand to the convertible tablet, and with Surface Pro 3, Microsoft adopted the 3:2 aspect ratio which they have carried onto all their products since. Surface Book was a unique take on a convertible laptop, thanks to the detachable tablet, putting a dGPU in the keyboard base, and especially the dynamic fulcrum hinge which gives the Surface Book its very distinctive appearance.

But, as with all devices, there are some compromises with each design decision. For convertible devices like the Surface Book, it generally means some design trade-offs when compared to a more traditional clamshell laptop, just as how a traditional clamshell laptop gives up some of the extra functionality of a convertible.

One of the biggest things you will notice comparing the Surface Book 3 to other high-end laptops is one of the first compromises, and that is the display bezels. As the industry has moved to thinner and thinner display bezels to maximize display real estate in smaller and smaller devices, the Surface Book 3 features the same large bezels as it has always had. Since the Surface Book 3 has a detachable display for use as a tablet, some extra bezel is required as somewhere to hold on to, but even so, Microsoft has managed to shrink the bezels on other Surface products to make them a bit less obvious. Unfortunately, since the Surface Book 3 is not getting any design refresh with this update, it has lost some ground compared to the rest of the industry.

Having a detachable display also means the PC components must be behind the display. This results in a trade-off of its own, with the Surface Book being required to use Intel's 15-Watt range of processors. It's a notable distinction, as much of the competition, especially in the larger 15-inch range we are reviewing today, leverages more powerful 45-Watt SoCs. The upside for Surface Book is that this leaves a lot of thermal capacity in the keyboard base, allowing it to be outfitted with much more powerful GPU options than you would normally see in a 15-inch productivity device.

Even though the exterior is more or less unchanged from the Surface Book 2, Microsoft has still tweaked the design a bit, with an upgraded hinge offering more support. There have been some welcome changes to the detach of the tablet as well: the speed of the detach process has been improved, offering two times faster unlock on the 13-inch and three times faster unlock on the 15-inch over the outgoing model. There is also a new feature called Safe Detach, which leverages a new ability in DirectX 12 to move an active workload from the discrete GPU to the integrated GPU, allowing the tablet to be detached even when the discrete GPU is in use. Unfortunately, this does require developers to explicitly support the feature, and Microsoft offered up an example of World of Warcraft as an application which already takes advantage of this technology.

Another area that appears unchanged but got some significant upgrades is the Surface Connect port. On the Surface Book 2, the Surface Connect port, which is used for both charging and docking to the Surface Dock, had some serious limitations, particularly compared to what USB Type-C has been doing. The charging capabilities of the port were limited to 100 Watts, and the Surface Book 2 15-inch when under a very heavy load could sometimes draw slightly more than that. This would cause the battery drain while connected to power in some circumstances, such as gaming. Microsoft has beefed up the relative power pins now, and the Surface Book 3 now ships with a 127-Watt adapter, removing that issue.

The second major upgrade with the new Surface Connect port is how much data can be transferred through it. The port, which was first introduced on Surface Pro 3, was effectively a precursor to the USB-C that we know and love today, with Microsoft using a proprietary connector that combined both USB and DisplayPort into a single cable. The previous Surface Connect port carried USB 3.0 (3.2 Gen 1) and 4 lanes of DisplayPort 1.2, which limited it to 5 Gbps on the USB side, and on the display side there was enough bandwidth for a 4K@60Hz display, but only one of them.

The Surface Book 3, in turn bumps the port up to USB 3.2 Gen 2 and DisplayPort 1.4. The means that the port now carries a 10 Gbps USB connection for data, and the faster DisplayPort connection can handle dual UHD displays at 60 Hz when connected to the new Surface Dock 2. The updated connector, in turn, remains pin-compatible with the previous connector, meaning that prior docks will work, albeit without being able to run at the higher speeds the newer Surface Connect port supports. Meanwhile Microsoft still has not embraced Thunderbolt 3, so the Surface lineup remains stuck to the proprietary dock, but the new Surface Dock 2 does at least address most of the concerns over the previous version.

Surface Connect Port Specifications
  Ver. 1 Ver. 2
Connector Type 40-pin "Surflink" 40-pin "Surflink"
USB USB 3.x Gen 1
(5 Gbps)
USB 3.x Gen 2
(10 Gbps)
Display DisplayPort 1.2
4 Lanes
DisplayPort 1.4
4 Lanes
Max Power 100W 127W

Other than those minor design changes, the rest of the Surface Book 3 chassis is relatively unchanged from the Surface Book 2. The Surface Book continues to offer one of the best keyboards on any notebook. The trackpad is wonderfully implemented, and although some competitors have stretched the size of the trackpad, the Surface Book 3 still offers one that is generously sized. The chassis continues to be made out of a magnesium alloy, offering a fantastic feel.

The Surface Book 2 was one of the best notebooks available, and although the design is now starting to show its age, the Surface Book 3 still works well. The nature of convertible devices is that of compromise though, as they try to fill multiple roles. The Surface Book’s take, with a detachable display and dynamic fulcrum hinge continues to embrace that difference rather than do its best to hide it. For ease of use, a convertible with a 360° hinge is still less complicated, and quicker to switch modes. The 15-inch version especially is too large to use as a tablet most of the time, whereas the 13.5-inch version is a bit easier to handle in that regard. But, the removable display is the defining design feature of the Surface Book, and although most of the time the display will be attached, there are certainly some scenarios where it is very handy to be able to pop off the display. Three generations in though, and it has lost a bit of its wow factor.

Introduction System Performance
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  • Deicidium369 - Thursday, June 4, 2020 - link

    And the Surface Book never helped Hitler do Hitler things. Reply
  • TheinsanegamerN - Tuesday, June 9, 2020 - link

    IBM helped Hitler do Hitler things, and that was the basis for modern windows computing. OOPS.

    "But muh Hitler" is a lame argument.
    Reply
  • benedict - Wednesday, June 3, 2020 - link

    Except the S-class is quite fast unlike this Microsoft crap that struggles even with basic tasks. Reply
  • Spunjji - Thursday, June 4, 2020 - link

    I mean, yeah, it does. Not sure what your broader point is here. Blaktron didn't say the Surface Book is pointless, just that the Swift 3 looks like good value in comparison. Istroo. Reply
  • jsonder - Friday, June 5, 2020 - link

    As the owner of an AMD 4700U version of the Swift 3, I have to agree that it is a lot of computer for the price, despite the crummy camera. Reply
  • PeachNCream - Thursday, June 4, 2020 - link

    You know you're reading a tech news site when someone breaks out the "compare-everything-to-cars" thing. Reply
  • regsEx - Sunday, June 7, 2020 - link

    That Acer would have same engine (CPU), same transmission (memory), same fuel (SSD), same aerodynamics (ultrabook body) etc etc etc, but for twice lower price. So it's incorrect comparison. Reply
  • Manch - Thursday, June 4, 2020 - link

    Does it split like the book or even have a similar build? Reply
  • toomanylogins - Thursday, June 4, 2020 - link

    That is a ridiculous comment. The Acer has a 1080p screen which makes it pretty much useless for anything other than reading email. Reply
  • PeachNCream - Thursday, June 4, 2020 - link

    That is quite the exaggeration and my response is being made from a laptop that has an 11.6 inch 1366x768 panel, yet oddly is used for gaming, video editing, writing, remote VM sessions, a virtualization host, AND checking e-mail among other things. Reply

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