NVIDIA WhisperMode Tested - Quieter Gaming for Notebooks

Manufacturer: NVIDIA

Can you hear me now?

One of the more significant downsides to modern gaming notebooks is noise. These devices normally have small fans that have to spin quickly to cool the high-performance components found inside. While the answer for loud gaming desktops might be a nice set of headphones, for notebooks that may be used in more public spaces, that's not necessarily a good solution for friends or loved ones.

Attempting to address the problem of loud gaming notebooks, NVIDIA released a technology called WhisperMode. WhisperMode launched alongside NVIDIA's Max-Q design notebooks earlier this year, but it will work with any notebook enabled with an NVIDIA GTX 1060 or higher. This software solution aims to limit noise and power consumption of notebooks by restricting the frame rate of your game to a reasonable compromise of performance, noise, and power levels. NVIDIA has profiled over 400 games to find this sweet spot and added profiles for those games to WhisperMode technology.

WhisperMode is enabled through the NVIDIA GeForce Experience application.

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From GFE, you can also choose to "Optimize games for WhisperMode." This will automatically adjust settings (in-game) to complement the frame rate target control of WhisperMode.

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If you want to adjust the Frame Rate Target, that must be done in the traditional NVIDIA Control Panel and is done on a per app basis. The target can be set at intervals of 5 FPS from 30 to the maximum refresh of your display. Having to go between two pieces of software to tweak these settings seems overly complex and hopefully some upcoming revamp of the NVIDIA software stack might address this user interface falacy. 

To put WhisperMode through its paces, we tried it on two notebooks - one with a GTX 1070 Max-Q (the MSI GS63VR) and one with a GTX 1080 Max-Q (the ASUS ROG Zephyrus). Our testing consisted of two games, Metro: Last Light and Hitman. Both of these games were run for 15 minutes to get the system up to temperature and achieve sound measurements that are more realistic to extended gameplay sessions. Sound levels were measured with our Extech 407739 Sound Level Meter placed at a distance of 6 inches from the given notebooks, above the keyboard and offset to the right.

Continue reading our review of the new NVIDIA WhisperMode technology!

First, we wanted to verify that WhisperMode was actually limiting the frame rate to 40 FPS as configured. A quick capture of frame times with WhisperMode off and on using our Frame Rating capture system revealed it to be working as intended.

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Both titles were running at over 100 FPS unconstrained, but when WhisperMode was enabled it provides a consistent 40 FPS while gaming.

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Our first notebook, the MSI GS63VR doesn't see huge advantages in quietness with WhisperMode enabled - a 3 dBA difference with Metro, and a 1.4dBA drop with Hitman. From a qualitative point of view, I didn't notice a signficant sound difference with this notebook on these titles with WhisperMode enabled.

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However, when we look at our results from the ROG Zephyrus, it's a different story entirely. We see a huge 6.4 dBA difference in Metro and a 12.5 dBA difference in Hitman. This data matched my experiences as well. The ROG Zephyrus was impressively quiet when WhisperMode was enabled.

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Taking a closer look at the Metro: Last Light on the ROG Zephyrus, we see one of the reasons for such a significant reduction in noise. Charting the GPU clock speeds in WhisperMode off versus WhisperMode on, we see a 50%+ reduction in clock speeds by enabling WhisperMode. This means the GPU will run cooler, and hence the fans will have to work less to keep the silicon within the appropriate temperature range. 

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As you might expect, with such a drastic clock speed difference comes a significant reduction in overall system power consumption. With the ROG Zephyrus in Metro: Last Light, we see a 44% drop in energy usage. Since WhisperMode only works when the notebook is plugged in, this doesn't matter as much, but NVIDIA has the similar BatteryBoost technology to help lower power consumption when gaming on the battery. 

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So where does this leave us with NVIDIA's WhisperMode technology? Overall, I've come out of this testing impressed. The ROG Zephyrus saw experience-changing drops in noise by limiting the frame rate. However, as we saw with the MSI GS63VR, it will depend on the particular notebook you are using and even the specific games that determine whether or not you will see significant differences with the technology enabled.

There is a valid argument that gamers investing in GTX 1060, GTX 1070 or GTX 1080 notebooks are not the audience that would be willing to sacrifice frame rates and responsiveness in the name of noise levels. A drop to 40 FPS on a display that doesn't support G-Sync could present a noticeable amount of judder or stutter in the animation, though we didn't notice this during our gaming on either notebook for this review. There is flexibility in the feature to customize your own target frame rate, but simply raising that to 60 FPS will negate much of the benefit it aims to provide. Perhaps the best argument for WhisperMode is that you can quickly and easily enable or disable it inside GFE depending on the situation you find yourself gaming in.

I wouldn't purchase a notebook specifically because it supported WhisperMode, but the technology marks another arrow in the quiver that continues to prove NVIDIA makes the best mobile gaming GPUs without debate.

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September 8, 2017 | 03:57 PM - Posted by nvidia_ (not verified)

tell nvidia to go to hell, im still wondering how long it will take them to force people to register to be able to use the GPU drivers...

September 8, 2017 | 04:03 PM - Posted by amd_ (not verified)

hmm.. this is nothing new... just a copy of AMD FTC.
gotta love the shitVIDIA PR crap.

September 8, 2017 | 04:17 PM - Posted by djotter

Is this a more complicated version of AMD Chill? Both of which I do not see a use for. If your frame rates are too high, crank up the quality settings, or if the game is maxed out enable vsync. What is the point of kneecapping your hardware? If you are gaming on a laptop, noisy fans are to be expected.

September 9, 2017 | 12:21 AM - Posted by irmacontainsharks (not verified)

It's closer to AMD's Frame Rate Target Control which has been available from Fury's release. FRTC works on all full screen games and a recent driver updates it to support DX12 games and multi-GPU configurations.

September 9, 2017 | 08:03 PM - Posted by spartibus

The problem with vsync is that it causes extra (very noticeable) input delay.

September 9, 2017 | 12:12 AM - Posted by Photonboy

"hmm.. this is nothing new... just a copy of AMD FTC.
gotta love the shitVIDIA PR crap."

?? Uh... no.

AMD FTC is simply an FPS cap. NVidia is doing much more. The GE tool looks at your hardware for supported games and applies the game settings it thinks should give you about 40FPS.

If I understand WHISPERMODE it reduces the GPU power to save battery life and reduce noise, so the HARDWARE bases the above GE game settings on the hardware capability after being adjusted.

For example, if the GPU was at 50% frequency then expect the profile to be similar to that of a GPU with half your processing.

September 9, 2017 | 03:56 PM - Posted by seniorwrights

A lot of the negative comments above are individuals that really may not fully appreciate practical technology. AMD is a company that is always attempting to compote with Intel and Nvidia and prove they are still below the standards that both Intel and Nvidia prove to be the recognized leaders. The complainers need to grow up.

September 9, 2017 | 09:21 PM - Posted by Ipoopwhenifart (not verified)

thumbnail caption:

"No Josh, you may not borrow this Mic stand for your Hitachi magic wand again."

September 11, 2017 | 06:57 AM - Posted by George 123 (not verified)

Does this work on their desktop GPUs as well, or only for laptops?
Because I definitely would find it useful on a desktop as well.

September 12, 2017 | 06:05 AM - Posted by Just another Dave (not verified)

Why is this limited to the 1060 and above? As an owner of a 1050, this in annoying. Is this to make you spend more for the feature to be turned on or is there something physical on the 1060 plus cards that allows for this.

September 12, 2017 | 08:37 AM - Posted by Andrew (not verified)

1050? can you even get to 40 FPS? ;-)

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