What is Nvidia Reflex? What does it do and how can it improve your gaming prowess?
Along with the reveal of the 3000 series RTX GPUs, Nvidia also announced its plans to help you game more competitively with Nvidia Reflex.
Reflex is a technology designed to reduce the input lag between your devices and your PC/display to reduce latency and help you get the upper hand in games.
What is latency?
To understand how Nvidia Reflex will work to improve your gaming experience, it's first important to understand what latency is and why it makes a difference.
Latency comes in two main forms: system latency and network latency. Network latency is often referred to as ping and represents how an online multiplayer game responds to your actions based on the delay between your actions in the game and the server.
System latency, on the other hand, is the delay that happens between when you click your mouse or press a key on your keyboard and the action that happens in the game.
There are three main stages of system latency. The latency between your mouse/keyboard and the PC, the PC rendering the game and the delay between how that displays on your monitor. This delay can be minimal and sometimes invisible but it can affect your gameplay in various ways.
A delay in how your aim follows the movement of your mouse, so what's happening on-screen lags behind the real-world movement. A delay in shots happening after you've pressed the trigger. And a delay in the position of opponents displayed on the screen.
The best gaming mice try to reduce part of this problem with minimal input latency technology but even then there's some system lag that can happen between your mouse actions and the game itself.
The problem of system latency
System latency happens in different ways, these are nicely described by Nvidia:
- Peripheral Latency: The time it takes your input device to process your mechanical input and send those input events to the PC
- Game Latency: The time it takes for the CPU to process input or changes to the world and submit a new frame to the GPU to be rendered
- Render Latency: The time from when the frame gets in line to be rendered to when the GPU completely renders the frame
- PC Latency: The time it takes a frame to travel through the PC. This includes both Game and Render Latency
- Display Latency: The time it takes for the display to present a new image after the GPU has finished rendering the frame
- System Latency: The time encompassing the whole end-to-end measurement - from the start of peripheral latency to the end of display latency
As you can see there are several steps in the process that can potentially impact the results of what you're seeing in game.
Nvidia's goal is to reduce the problems caused by input and system latency by using software and driver optimisation to reduce latency and see your actions reflected more accurately in the game world.
Nvidia Reflex is a solution that includes various technologies to give gamers a competitive edge in certain games. One of which is reductions in system latency with the right drivers and support from game developers.
What is Nvidia Reflex? And which games support it?
Nvidia Reflex is a technology that game developers can use to reduce your system latency and improve your experience in-game.
Reflex requires developers to implement the technology into their games. From 17 September, supported games will include:
- Apex Legends
- Fortnite
- Valorant
But there are also other games in the pipeline, set to include Reflex support including:
- Call of Duty: Black Ops Cold War
- Cuisine Royale
- Destiny 2
- Enlisted
- Kovaak 2.0
- Mordhau
The good news is, this tech isn't limited to the new 3000 series RTX graphics cards either. Nvidia Reflex will be supported by graphics cards dating all the way back to the company's GeForce GTX 900 Series. Even lesser graphics cards will benefit from the system as well.
Nvidia says more affordable GPUs like the GTX 1660 Super, will see as much as a 33 per cent improvement in responsiveness when using Reflex. Though obviously an RTX 3080 will see even better gains.
The other highlight of Nvidia Reflex is that it's designed to reduce latency even with higher resolutions. Professional/competitive gamers tend to play at lower resolutions as that generally means less rendering load and lower latency but with Reflex, Nividia is saying it'll be possible to play games at much higher resolutions with far less latency. Assuming the games support it of course.
What if a game doesn't support Reflex?
To get the best performance, the games you're playing ideally need to support Nvidia Reflex, but it is also now possible to benefit from latency improvements with minor tweaks to your current setup.
Within the Nvidia Control Panel, you can activate Nvidia Ultra Low Latency mode to minimise latency quickly and easily.
To do this, open the control panel and find "Manage 3D settings", then find the "Low Latency Mode" and select "Ultra" from the drop-down.
This will help reduce some latency but won't be as effective as having full support from the game developers.
Reflex Latency Analyzer and 360Hz displays
Alongside Nvidia Reflex, the company is also working with partners to use hardware built into new 360Hz G-Sync displays to actively analyse the inputs from your mouse.
With these compatible monitors, you'll be able to plug your mouse directly into the display and then use Reflex Latency Analyzer to measure the latency. Reflex Latency Analyzer will measure mouse latency, system latency and PC + Display Latency to then optimise for best performance.
ASUS, Logitech, Razer and SteelSeries are on board with compatible mice and using those in conjunction with the latest drivers and a compatible screen you'll be able to get real-time data on your latency.
Find out more about Nvidia Reflex here and you can also read a deep dive into how it all works here.
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