Gadgetory


All Cool Mind-blowing Gadgets You Love in One Place

NVIDIA G-SYNC Overview

2014-02-04
hey guys I'm Dimitri hora Canucks and today we'll be taking a look at g-sync you so essentially what g-sync does is it solves for the a synchronous nature of how our hardware operates of how GPU communicates with your monitor you monitor it refreshes the frame in hertz so it is a cycle it will refresh itself and the specified number of hertz so common is sixty Hertz it will refresh itself sixty times a second you also have the faster panels of 120 and 144 Hertz gaming panels now the graphics card will pump out a frame as soon as that's ready so whenever the two don't align whenever the graphics card is ready to pump out a frame in the middle of the refresh rate we get tearing and that's a nasty artifact that we've so gotten accustomed to for especially for gaming and that's very common on 60 Hertz panels especially if you go above the 60 FPS limit as the graphics card was able to pump out more frames than the monitor can essentially accept and that's very common there are several ways to actually fix tearing and that's enabling vsync what this thing does is it locks the frame rate locks the ceiling frame rate to your maximum refresh rate of your monitor so for 60 Hertz panels to vsync on you'll see the frame rate cap at 60 fps now what happens when your your frame rate drops below 60 is we get stuttering when frames are repeated and that's also nasty now there is also adaptive vsync which Nvidia released last year it will turn on vsync as soon as you hit that refresh rate cap and it will turn off vsync when you go below that it works in most cases there's some issues can come with compatibility with gaming in some cases it doesn't turn on vsync so you do is still an encounter stutter and encounter tearing and that's what Jason comes in as a GC she said because G sync is a hardware solution so it replaces the scaler board on your monitor with the G sync board in the G sink module and it essentially syncs the frame output from your graphics card to the refresh rate of your monitor so it's a variable refresh rate that is controlled by what is being pumped out from your graphics card so we don't get tearing and we don't get stuttering which is which is really cool now g-sync does have a frame ceiling and the frame floor the ceiling is determined by the Hertz the refresh rate of your monitor for 60 panels will be 60 fps for 129 144 Hertz panels it will be that respectively and for the freight at the frame floor it is 30 fps below 30 fps if you encounter that in game you will encounter stutters so there's some limitation but there's a really sweet spot for g-sync between 40 and 60 FPS for 60 Hertz panels that it looks buttery smooth there's absolutely no stuttering and the visually it actually feels like you're playing at 60fps well in fact you're playing something slightly below as I mentioned before gisun is a hardware solution it does require a specific g-sync module to be installed inside the monitor but there's also a couple other criteria that you have to meet in order for g-sync to work first you need a GTX 650 Ti boost or higher kepler GTX graphics cards from Nvidia you need DisplayPort 1.2 currently this is the only display input and output that is supported with g-sync but there's no reason why DVI or HDMI won't work it will work but currently DisplayPort is the is the only port that they've adopted with g-sync there is no resolution cap so g-sync is aside from what we've seen up to do they will work with 4k panels 8k panels down the road eventually so there's no resolution cap there's no restrictions on the panel type either so it will work VA IPS TN panels and all the others so it's not unrealistic to say that we won't see 4k IPS 60 Hertz panels we just would g-sync it's not likely but what we're seeing and what we've seen at CES is a lot of monitor companies are jumping on board because juicing is definitely an innovative and exciting and very useful technology for smoothing out your gameplay and where it will really shine as we've seen at CES a lot of companies are releasing 1440p and 16 P monitors that are higher resolution at 60 Hertz there's still TN panels on the front unfortunately but there's no reason why we won't see the IPS panels being rolled out as soon as the consumer is ready for g-sync and the reason why I say that is because throughout my testing with this Asus monitor this is a hundred forty four Hertz gaming panel but I'm coming from a background of 60 Hertz IPS monitor that's what I have at home that's what I aim with so I first tested out g-sync on vsync on and everything off just plain-old sort of regular without any type of assistance and what I've noticed the jumping in the SAS since elite four is a lot of tearing at 60 Hertz running around there's a lot of tearing inside the game turning on vsync does not help because I wasn't always above the 60 FPS mark so I didn't counter stutter turning on g-sync it it was mind blowing because now you have this ability to have extremely smooth gameplay and while you're still hitting that below 60 fps mark you're not encountering in stuttered was a lot smoother than what you would encounter with vsync on and without leasing either which was very impressive now jumping into Metro last slide there was the same idea lots of stuttering with vsync on quite a bit of tearing depending on how fast you're moving without anything without any assistance and turning on g-sync again brings out that very fluid and smooth gameplay at frame rates below 60fps based on this experience I think that what we're likely to see with g-sync is high resolution panels that you can use for gaming and you can bump up the settings so that you're not necessarily hitting a 60 FPS gap but if you're staying between 40 to 50 to 60 frames you can still experience the fluid motion with cranked up settings without experiencing any stutter and so that I think that's where g-sync will truly shine now tearing is very common if your frame rate is above your refresh rate so for a lot of FPS titles if you're play gaming on the 60 Hertz panel and your frame rate is above 60 so like 70 Plus then you're most likely encountering tearing that's because the the graphics card pumping out frames that the monitor cannot accept and therefore the frames are drawn in the middle fresh straight and that's tearing is also also part of the game engine design and how the API handles frames and how it handles us resource management and so when I jumped into battlefield 4 playing at 60 Hertz without any assistance we sink off g-sync off I was playing at 90 frames a second and I was getting no tearing at all so it does bring out the fact that it does solve for tearing but then there's also good ain't good a game engine design that also comes into play when it comes to resolving this type of artifact this is 144 Hertz panel so obviously I turned that on to just experience how that would work and first of all playing without vsync and without g-sync in Assassin's Creed 4 exactly doing the exactly same sequence and one thing I noticed there was no tearing the refresh rate of the monitor is so fast that the frames that are being pumped out from the graphics card is the chances of hitting the frame in the middle of the refresh rate are a lot lower and so I encountered almost no stuttering whatsoever and not at least not as noticeable and I was very pleased and the same thing with about it for and Metro last light where 144 Hertz panels and gaming in that that refresh rate it did solve for tearing but tearing also can occur with variable frame rates it can occur if your frame rate is below or frustrate it can occur if you're above the first rate so having the 144 its panel helps but it's not the solution so while turning on g-sync with 104 hertz panel playing Assassin's Creed 4 it was absolutely smooth like like what we've seen what I've experienced on 60 Hertz but the difference between g-sync on and gsync off at 144 words panels at faster refresh rate wasn't as significant as was with state 60 Hertz 60 Hertz gameplay and that's why I think that again I'm coming back to this idea that 60 Hertz 4G sync with IPS panels great color accuracy is going to be key and utilizing this technology for aside from gaming experience but also a multimedia experience so not just having a single DNA monitor but having a gaming monitor or a monitor that can game and do all the other things aside from gaming with g-sync is very beneficial based on what we've seen at sea as a lot of the monitor manufacturers are releasing g-sync ready monitors with DisplayPort only connectivity and while I would say it's a slight limitation I would love to see manufacturers implement more display connectivity so you can connect to something else perhaps if you don't want to use g-sync but that's something that we'll see where it goes down the road in 2014 of course price is also a big one the current premium on top of a regular monitor would be $100 plus if you want to buy a g-sync rady monitor but NVIDIA is also selling g-sync DIY kits that are $1.99 and you have to ask yourself whether or not this price premium is worth it for an already sort of an expensive panel like 104 for its panels that are go around 300 to $500 range so adding that extra premium is not for everybody so if you're a gamer if you're serious gamer you sort of have to juggle around to see whether or not you can live with tearing or you want to try out gsync now based on my experience with g-sync the wonderful few weeks I've had with it my gaming experience have improved significantly because I no longer have to worry about stutter I no longer have to worry about tearing and for especially for 60 Hertz high resolution IPS panels that I would love to see with g-sync that's going to be the selling point for myself but what do you guys think do you think this is a technology that will move forward and will sort of take over the gaming world another gaming world but it's going to be very popular thing for gamers to utilize I think so especially for sixty Hertz like I'm saying high resolution and good quality panels that's where it will shine and so far what we've seen from g-sync we're very impressed so guys thanks for watching this video don't forget to subscribe and we'll see you in next dates teasing yeah I think that's the winner
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.