Wireless

If there’s been an Achilles heel of the Surface lineup, it has been Microsoft sticking to low quality wireless adapters. Surface devices have almost exclusively utilized Marvel AVASTAR wireless, which has been not only slow, but unreliable. Over the years, the reliability has improved, but the overall solution was never up to where an Intel wireless adapter would perform in terms of both performance and reliability. The only time the Surface team has leveraged something other than Marvell was with their LTE devices, which would use a Qualcomm wireless adapter. Unfortunately, it wasn’t really any better than the Marvell one.

Luckily that has changed for the current generation of Surface devices. For the Intel-based devices, Microsoft has adopted Ice Lake's semi-integrated Wi-Fi 6 (802.11ax) solution. Unfortunately AMD doesn't offer an equivalent here, so Microsoft is using a Qualcomm wireless adapter in the AMD-based 15-inch Surface Laptop 3.

WiFi Performance - TCP

The results are not great. While there haven’t been any reliability issues at all, the performance of the Qualcomm wireless was frankly terrible. It is almost 2020, and we have wireless networking solutions that can reach over 1 Gbps with just a 2x2 configuration, but the 15-inch Surface Laptop 3 achieved a meager 313 Mbps.

Audio

Microsoft has outfitted the Surface Laptop 3 with Omnisonic speakers featuring Dolby Audio Premium, and while the pairing does not get excessively loud, the sound quality is fantastic, with much better low-end than you’d get on most laptops of this size.

At around 76 dB(A) measured one inch over the trackpad, there’s enough volume for most situations, and the improved sound quality is a great trade-off over really high dB speakers with no range.

There are two far-field microphones as well, enabling Cortana interactions if desired.

Thermals

The advantage of a larger laptop like the 15-inch Surface Laptop 3 is that it should not have much of an issue cooling a 15-Watt TDP, and the laptop was stress tested to find out if that was the case.

Interestingly the CPU on its own only pulls 9-10 Watts under sustained load, with a brief peak of a hair over 15 Watts. This is well under a typical Intel 15-Watt CPU which can pull well over 30 Watts for burst and sustained power draws can be over 15 Watts if the cooling system can handle it. Despite the lower than expected power draw under load the CPU is still able to maintain 3 Ghz or higher.

The cooling solution is very solid, and unless you are really working the laptop it stays silent for most of the time. Meanwhile if you do need to use everything the laptop has, the fan only gets up to 46 dB(A) measured one inch over the trackpad, which is not very loud. The tone of the air movement is a bit harsh though, but never gets to be a problem.

Software

As is typical of a Surface device it comes with very minimal software. There is the normal Windows apps, some of the Windows crap-ware that all machines ship with, and the Surface App, which lets you adjust the pen pressure, see the battery of connected Bluetooth devices, such as the pen, and get support if needed.

One thing that is absent though is the AMD Software Center, so you can’t adjust any of the typical AMD settings. Trying to download this from the AMD website will result in a “no valid hardware found” message. This is unfortunate, since you won’t be able to easily disable things like AMD’s Vari-Bright, which automatically lowers the screen brightness on battery. AMD let us know that they won’t be bringing this to the Surface Laptop 3 either, so if you are a fan of the AMD Software Center, don’t expect it anytime soon on this AMD powered device.

Battery Life and Charge Time Final Words
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  • id4andrei - Monday, October 21, 2019 - link

    Read on the verge how this CPU struggles playing 4k video on youtube(on Edge). Is that a known issue of AMD CPUs?
  • revivedblazejr - Tuesday, October 22, 2019 - link

    Edge has issues with playing 4k videos on integrated graphic cards from a long time. if you have a better discrete graphics card, it would use it and scale the resolution. i have been facing this issues from 2018, upgraded to a 1080ti and it works well. i think it is on browser's end and idk if they have fixed it yet.
  • IntelUser2000 - Monday, October 21, 2019 - link

    "Unfortunately AMD doesn't offer an equivalent here, so Microsoft is using a Qualcomm wireless adapter in the AMD-based 15-inch Surface Laptop 3."

    They could have just used the Intel wireless instead. They offer non-CNVi versions. If you see AMD motherboards with integrated WiFi they all feature Intel wireless.
  • inighthawki - Monday, October 21, 2019 - link

    I would really love if this review was able to compare with the 15" Ice Lake variants they sell in the business store. Or at very least compare it to the 13.5" version so we can see the basic differences in performance between Ice Lake and Zen+. I have a sneaking suspicion that ice lake wins out in almost every metric including battery life on the 15" model, but I'd love to see that actual comparison.
  • Brett Howse - Monday, October 21, 2019 - link

    Sorry we only got the 15" to review. We have other ice lake laptops coming though.
  • inighthawki - Monday, October 21, 2019 - link

    Thanks Brett. No worries! Appreciate the review for what it is!
  • Dug - Monday, October 21, 2019 - link

    This is too bad. I really like the form factor. Very light for a 15". Great screen, great aspect ratio, keyboard, and touchpad.
    But with poor battery and wifi, it just doesn't make sense.
    I'm one that really likes the alcantara on the deck, and would miss that. It always feels nice, and does not get dirty like the utubers want you to believe.
  • 0iron - Tuesday, October 22, 2019 - link

    On a bright side, there's high chance next year Surface will come out with Renoir. There is always next year 😄
  • hanselltc - Tuesday, October 22, 2019 - link

    So why exactly does amd wait 9 months to release the mobile verisons of their now 9 months old cpu's? This is a very bad showing of zen aside ice lake.
  • Silma - Tuesday, October 22, 2019 - link

    I'm somewhat disappointed by the AMD performances.
    Yes it delivers much better graphics than Intel's IGP, but it's still a joke compared to a graphic card.
    MS is to be lauded for offering AMD as a choice though.

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