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Friday, October 18, 2013
Nvidia Unveils G-SYNC, Gamestream And The GeForce GTX 780 Ti


NVIDIA announced Gamestream this morning, along with the G-Sync, a module for gaming monitors that helps alleviate screen tearing issues, and the new GeForce GTX 780 Ti graphics card.

NVIDIA G-SYNC is a device designed to deliver games without the artifacts that jolt you out of the zone.

Typically during gaming you are offered with choices to make synchronizing to your monitor. With V-SYNC off you can have fast input response time, but images are seriously corrupted by tearing. Or, you can use V-SYNC on, but then games get laggy, and any time the GPU's FPS falls below the refresh rate of the monitor, animation stutters badly.

NVIDIA is trying to solve this problem. The idea is instead of trying to get a GPU's output to synchronize with a monitor refresh, the monitor to be synchronized to the GPU render rate. So here comes the G-SYNC module. It's built to fit inside a display and work with the hardware and software in most of Nvidia GeForce GTX GPUs.

With G-SYNC, the monitor begins a refresh cycle right after each frame is completely rendered on the GPU. Since the GPU renders with variable time, the refresh of the monitor now has no fixed rate.

According to Nvidia, since the GPU drives the timing of the refresh, the monitor is always in sync with the GPU. So, no more tearing. Second, the monitor update is in perfect harmony with the GPU at any FPS. So, no more stutters, because even as scene complexity is changing, the GPU and monitor remain in sync. Also, you get the same response time that competitive gamers get by turning off V-SYNC.

A variety of display companies are already on board, including Asus, Benq, Philips and ViewSonic.

At Nvidia's "The Way It's Meant to be Played" press event in Montreal, the company's CEO Jen-Hsun Huang also outlined Nvidia's vision for a connected gaming ecosystem. At the center of this is a new streaming technology standard called NVIDIA GameStream.

NVIDIA GameStream, due to launch on Oct. 28, is NVIDIA's streaming technology, combining the high performance of GeForce GTX graphics cards with Wi-Fi technologies to deliver smooth, low-latency gaming on the go. The technology is an expansion of the in-home streaming that debuted on Nvidia?s Shield handheld. The idea is that users could set up a powerful gaming PC somewhere in the house, and then use Wi-Fi to stream those games to handheld devices and televisions.

Initially, NVIDIA GameStream will be available for local PC streaming, however, longer-term, it will also support NVIDIA GRID cloud gaming services.



Along with the release of GameStream comes expanded streaming support, including:

- Smooth and fast performance at 60 frames per second.
- Enhanced Wi-Fi quality of service in combination with GameStream Ready routers from ASUS, Buffalo, D-Link, and NETGEAR.
- Improved onscreen navigation and controls.

Jen-Hsun also revealed a brand new capability called "SHIELD Console Mode," which transforms your portable SHIELD into a full gaming and entertainment console on your big-screen TV.

Simply attach SHIELD to your HDTV via HDMI, pair it with a Nyko PlayPad Pro Bluetooth controller, and sit back on your couch and play your PC games with GameStream. In addition to streaming PC games, the mode allows gamers to play Android games, browse the web, and watch their favorite movies at native 1080p on the big screen.

Starting on Oct. 28, to celebrate the release of GameStream, NVIDIA will offer up to $100 off SHIELD plus free copies of "Assassin's Creed IV: Black Flag," "Splinter Cell Blacklist" and "Batman: Arkham Origins" with the purchase of select GeForce GTX graphics cards.

Nvidia also announced a game capture tool that lets you capture and stream your greatest gaming moments, with little performance hit to frame rates. That's the promise of ShadowPlay, launching with the upcoming release of GeForce Experience 1.7 on Monday, Oct. 21.

GeForce ShadowPlay is a free gameplay-capturing tool that's available exclusively to GeForce users. It's also easy to use, having the H.264 encoder built directly into GeForce GTX 600 and 700 series GPUs.



ShadowPlay has two user-configurable modes. The first, shadow mode, continuously records your gameplay, saving up to 20 minutes of high-quality 1920x1080 footage to a temporary file.

So, if you pull off an impressive move in-game, just hit the user-defined hotkey and the footage will be saved to your chosen directory.

The file can then be edited with the free Windows Movie Maker application, or any other .mp4-compatible video editor, and uploaded to YouTube to share with friends or gamers galore.

Alternatively, in manual mode, which acts like traditional gameplay recorders, you can save your entire session to disk.

Nvidia claims that Because ShadowPlay takes advantage of the hardware built into every GTX GPU, you don't have to worry about any major impact on frame rates compared to other, existing applications.

Nvidia is also working hard to integrate Twitch with ShadowPlay so you'll be able to stream your games to friends and fans worldwide. This means that your friends will be able to watch you play while you enjoy all the performance you've come to expect using your GeForce GTX GPU.

NVIDIA is also looking to counter AMD's upcoming Radaon 290X product with the GeForce GTX 780 Ti.



The GTX 780 Ti is being positioned as NVIDIA's new high-end gaming card, replacing the existing GTX 780. Nvidia did not provide any specifications or pricing details at its Montreal event, although itshould be priced somewhere at $650 slot.

The card will launch in the middle of November.





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