Wireless

For a wireless solution, Razer has moved to the Killer Wireless 1535, which is a 2x2:2 solution with support for 802.11ac. This gives a maximum connection speed of 866 Mbps, and of course real-life results will be less than that. Killer bundles software which the company has designed to help with gaming – once again going back to Razer’s gaming roots. The software is basically fancy QoS for your laptop, prioritizing gaming traffic to prevent simultaneous network usage from diminishing the latency for any gaming sessions.

Out of the box, the Stealth is pretty far from a gaming notebook, but of course once you pair it with the Razer Core external graphics, this use of a gaming solution makes more sense. Killer has changed their business model quite a bit over the years, from expensive stand-alone network cards, to integrated solutions with some software features on top. I’ve had good experiences with the Killer network cards on other gaming laptops in the past, and the Stealth is no exception. Connections were always fast and stable. Since I’m no where near Josh, I won’t be able to use the Ixia WaveDevice to test Wi-Fi performance, which is kind of a pity. Instead we’ll have to stick with the normal copy speed performance test.

WiFi Performance - TCP

The Razer Blade Stealth averaged 359 Mbps on our standard SMB file copy test, which is not the best result we’ve seen from a Killer 1535. MSI’s GT80 Titan got over 100 Mbps higher on this test with that card. Comparing to other Ultrabooks, it is far from the top result we’ve seen.

Speakers

Very few Ultrabooks manage to squeeze the speakers onto the top of the notebook. The majority point them down, and then there are ones like the XPS 13 which put them on the side. Microsoft has put the speakers right on the side of the display bezel on the Surface Book, which provides good stereo separation. Razer has also made room for the speakers on the top of the laptop. In this case, they are flanking the keyboard itself.

The result is great stereo separation, and the sound quality of the speakers is good for an Ultrabook. With the limited space available, there’s just no way to fit in speakers large enough to really cover the entire audio range, but the Stealth sounds as good as any Ultrabook out there. The volume is also very good, with just a hair over 83 dB(A) measured with the SPL meter an inch over the trackpad.

Thermals and Noise

Coming from a background in gaming notebooks, Razer should know a thing or two about system cooling. When designing a thin and light laptop, cooling can often be a soft spot. Despite the low thermal output of the U series processors, the heat still needs to go somewhere.

At idle, the notebook is basically inaudible, with my sound meter bottoming out at 36 dB(A) which is pretty much the noise floor of my office. You can barely hear the fan, which seems to run all the time but at a speed that you can’t really notice it. Some notebooks have the fan off as much as they can, but then the fan tends to ramp up and down when needed to keep the temperatures in check. With it on all the time, the need to ramp up is reduced.

Once you work the device, it does get louder, but never excessively so. After about 45 minutes of gaming, the Stealth game in at 46 dB(A) as the maximum fan speed that was audible, but most of the gaming session was closer to 41 or 42 dB(A), which is very quite for an Ultrabook in that situation.

With the fan running so quietly, there is likely concern that the chip itself is throttling. Over the same gaming session, the CPU frequency, GPU frequency, and CPU load was logged, as well as the SoC power. The SoC was limited to 15-Watts power, which is correct, and never reduced over the session.

When an Ultrabook SoC throttles under gaming load, the GPU frequency will drop by 100, 200, or more MHz. The Stealth is able to maintain the 1.05 GHz frequency for the entire session. The CPU frequency does drop, but that’s normal on a gaming workload since the SoC transfers more of its power budget to the GPU.

The noise is never excessive, and the device doesn’t throttle. That is a great result for the Stealth. The device itself, being made out of aluminum, does get warm to the touch, especially at the hinge. Since the cooling system vents out the back of the laptop in the gap between the display and the chassis, the warm air is concentrated there and I measured 46°C right at that spot. Luckily the rest of the notebook was no where near that warm, coming in around 35°C. Warm, but not hot.

Software

Razer includes their Synapse software, as well as their Comms software. Other than that, the only other software installed is Dolby Digital audio manager, and Killer software for the network card. This is as close to a signature PC as you’re going to get from any OEM, and that’s a big compliment.

The Synapse software is the heart and soul of Razer’s products. You can just it to customize lighting for the keyboard and any Razer mouse, set up Macros, and more. Razer has stats and heatmaps for key usage during gaming sessions, and of course the Chroma Configurator.

Using the Chroma Configurator, you can basically map out any color to any key at any time. You can set up profiles for games, or set every single key to a different color if you want. They have basic settings for the number row, WASD, arrow keys, and function keys, but you can also select any, or any multiple of keys to program to whatever you want. It’s very simple and extremely powerful, and having certain keys a different color can make it easier to map out what key is what. For instance, something I use a lot is Print Screen. Since that function key is different on every laptop, I can set F12 (the key with Print Screen as a secondary function) to red so I can see it anytime. I can set the volume keys to blue. It’s very powerful and functional, and of course it lets you personalize the system to just how you want it. Razer has traditionally offered Razer Green as their backlighting color, but with full Chroma, the Stealth offers anything you want.

Chroma Apps is an SDK which software developers can leverage to put custom lighting patterns on the keyboard when you use their app. A game, for instance, can set up a color scheme for you.

The other installed bit of software is Razer Comms. This is something I’ve not used (who has time for online gaming anymore?) but it’s a lightweight chat client for use when gaming. It provides an overlay over the game so you can manage chat sessions without having to switch out of the game. It’s free for anyone, so you don’t have to just talk to other people with Razer laptops.

Battery Life and Charge Time Final Words
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  • foxalopex - Tuesday, March 29, 2016 - link

    I think the only difference I would like to see in this Ultrabook is a more powerful CPU / Intel GPU built in complement making it a slightly higher end mobile laptop. The external add on GPU would then make it perfect for home gaming uses. I suspect I'll have to wait for the next generation of units to see if this happens.
  • vanilla_gorilla - Tuesday, March 29, 2016 - link

    I would never buy it based on the logo alone, but I'm an adult. As long as they know they're ceding that market segment, then I wish them the best of luck.
  • T1beriu - Tuesday, March 29, 2016 - link

    Typo: " Even switching out displays for the lower-resolution sRGB UHD [QHD?] panel can't fully close the gap."
  • Ryan Smith - Tuesday, March 29, 2016 - link

    Yep, right you are. Thanks.
  • nerd1 - Tuesday, March 29, 2016 - link

    Returned mine as it barely lasted 4 hours with active usage (web browsing with chrome)

    And screen is too small due to huge bezel, whole laptop is fingerprint magnet due to the finish. Avoid this.
  • will1956 - Tuesday, March 29, 2016 - link

    to be fair Chrome is great but it is a resource hog
  • nagi603 - Tuesday, March 29, 2016 - link

    to be fair I could get 4 hours of browsing out of a 2004 laptop. This laptop has the price of a high-end ultrabook, but not the actual features that would want you to buy an ultrabook.
  • mrvco - Tuesday, March 29, 2016 - link

    Razer Core is the only thing that makes this laptop interesting in any sort of practical sense. I gave up on gaming laptops a long time ago and left gaming to my desktop Windows machine. If you use Windows for both work and play, then I could see the Blade Stealth w/ Core as a replacement for a separate laptop and desktop gaming PC... that is assuming you're ok with limited gaming performance when away from the desk... oh, and the combined price in the neighborhood of $2,500 once you throw in a $300'ish video card.
  • danjw - Tuesday, March 29, 2016 - link

    Are you expecting to have a review of the new Razer Blade 14? To me that seemed the much more compelling product.
  • zeeBomb - Tuesday, March 29, 2016 - link

    Y u surprise me like that

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