What Is DLSS And Is It Worth It?

The advancement of graphical fidelity in video games and PC hardware has always been correlated.

GPU manufacturers such as NVIDIA or AMD release new GPUs that can handle more complex graphics, which allows game developers to create games with more advanced graphics.

However, with the introduction of DLSS (Deep Learning Super Sampling) from NVIDIA, that may no longer be the case. With this cutting-edge AI technology, DLSS can enhance a game’s performance significantly, without any major disadvantages, while maintaining visual quality.

It sounds like wizardry, but it isn’t. Let’s look at what DLSS is, how it works, and whether or not it is truly beneficial.

What Is DLSS?

DLSS is an AI-based technology developed by NVIDIA. This technology relies on special hardware, Tensor Cores, only found on RTX graphics cards. Specifically, every SKU that belongs to the 2000, 3000, and RTX 4000 series.

It uses AI or deep learning technology to upscale images from a lower resolution to a higher one while preserving (almost) the same level of visual quality. This provides the user with more FPS for similar graphical fidelity.

This is particularly useful for users that want to run games at 4K with demanding graphical options like ray tracing at high framerates.

It takes a frame/image in native resolution and downscales it to a reduced resolution. For example, it downscales 1440p to 1080p and then fills in all of the missing pixels to produce an image nearly identical from the original resolution.

Once DLSS got the 2.0 version, the performance gains and reduction in visual quality got minimized even further.

Furthermore, with the latest generation of RTX GPUs (4000), DLSS 3.0 will be introduced.

With the addition of Optical Flow Accelerators in RTX 4000 GPUs and by using Optical Multiframe Generation, DLSS 3 may provide up to four times higher FPS in-game.

Why Use DLSS?

The answer is simple: DLSS goes through all the hoops of downscaling and upscaling with deep learning to provide you with significantly enhanced performance.

If you are unable to hit 60 FPS on your GPU, say RTX 3060 in DLSS-supported titles, simply activate that choice in settings and see how effectively it boosts the performance.

It sounds like a no-brainer. Who wouldn’t want a performance enhancement with just the press of a button?

However, in specific games, DLSS may have some drawbacks like motion blur, ghosting, poor aliasing, etc. This is especially true for games that have not upgraded to DLSS 2.0.

DLSS 2.0 addressed these types of issues, and DLSS 3.0 brings more fixes with improved graphical fidelity and FPS.

Performance Gains

The main benefit of using this new technology is to get more FPS in games. How much performance you could gain depends on the native resolution, GPU, game, and the efficacy of DLSS.

Users usually have the option to choose from different modes such as Quality, Balanced, and Speed.

With the Quality choice, you receive the ultimate attainable visual quality and the minimal increase in performance.

The Balanced choice lies somewhere in the middle.

While the Performance option can bring a performance uplift of up to 70%, and visual quality will diminish significantly.

With DLSS 2.0 and Performance Mode, NVIDIA claims that the performance gains can be up to 3 times higher.

DLSS 3.0/Frame Generationes takes this performance boost to the next level.

In this Hardware Unboxed testing video, we see that DLSS 3 can significantly boost FPS, while system latency remains the same.

Here are some comparisons between DLSS off and DLSS 3 on:

Availability

There are two downsides to DLSS. First, it has to be expressly incorporated in video games. It’s not a simple option that you can enable or disable in Nvidia’s settings.

The second drawback is that it is exclusive to RTX GPUs only. And, as fresh generations of RTX GPUs are released, newer DLSS versions may not be accessible to older RTX cards.

As an illustration, DLSS 3 can solely be accessed by RTX 4000 GPUs.

In terms of game support, there are probably around 200 diverse titles that have some version of DLSS available.

That’s not a small number, but there are thousands of games out there, and there are many that will never support DLSS (especially indie), which you should bear in mind when purchasing RTX GPUs.

Although it is essential to note that future updates will make DLSS simpler for developers to incorporate it into their games.

Here are some of the most common games that have DLSS:

• Metro Exodus Enhanced Edition
• Watch Dogs: Legion
• Call of Duty: Modern Warfare
• Call of Duty: Modern Warfare 2
• Control
• Death Stranding
• Cyberpunk 2077
• Minecraft for Windows 10
• Monster Hunter: World (1.0)
• Shadow of the Tomb Raider (1.0)
• Doom Eternal
• Rust

DLSS 3 is still not extensively available, but already 35 games are announcing support for it, and some of them will release together with the RTX 4000 GPUs in October.

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AMD’s response

It’s not surprising when the rivalry has a response to this sort of recent development. We witnessed this when AMD countered NVIDIA’s G-Sync with a more affordable and equally effective substitute, FreeSync.

AMD’s answer to DLSS is called FSR or FidelityFX Superb Resolution.

FSR takes a much different approach from DLSS. Instead of relying on hardware, it is a software-based solution that can operate on multiple generations of GPUs.

As of writing, AMD has confirmed that FSR can work on RX 6000, RX 5000, RX 500, and even GTX 1000 series GPUs. It has also been investigated on RTX cards, and it operates just as well.

It’s a bit contradictory that AMD delivers features for older NVIDIA cards while NVIDIA dismisses them entirely.

Is it worth it?

The inquiry is yet to be resolved: is DLSS worth it?

Most of the time, the answer is definitely yes. However, this isn’t universal. If you have an RTX card, there really isn’t a reason not to enable this feature if you want to get some extra FPS unless you are bothered by the adverse effects.

In single-player games, it’s probably best to stick with the Quality mode for the most striking visuals. For multiplayer, you can switch to Balanced or Performance mode.

However, buying an RTX card just to use this feature may not be worth it. It’s still not widespread, so your preferred games may not support DLSS. The primary selling point of any graphics card is still in its raw rasterization performance; additional features are secondary.

Overall, DLSS is a remarkable piece of technology, and NVIDIA will definitely continue to enhance it, making it more effective and efficient.