Nvidia announced its next-generation graphics cards during an extravagant event ahead of Gamescom 2018 in Germany. And they herald a new era for PC gaming.

Part of a new GeForce RTX family, the 20-series, the cards are incredibly powerful yet start at $499.

There are three in the range; the Nvidia GeForce RTX 2070, RTX 2080 and the top of the range RTX 2080 Ti. They're based on Nvidia's new Turing architecture, which Nvidia CEO Jensen Huang described as "the biggest generational leap in the history of computer graphics", and they will be available from 20 September.

Pre-orders are available now.

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The 2070 features real-time ray tracing up to 6 GigaRays per second, which is about five times more than the currently available Titan X, and it serves up 45 trillion RTX ops per second. The 2080 has ray tracing at 8 GigaRays per second, and the 2080 Ti offers ray tracing at 10 GigaRays per second. 

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While at the show, Nvidia said prices start at $499 (for the 2070), but the Nvidia website listed the starting price at $599. According to the site, the 2080 starts at $799, and the 2080 Ti starts at $1,199. We've contacted Nvidia and hope to confirm soon as the pricing structure seems a little confusing.

You can see a demo of what the Nvidia GeForce 2080 Ti is capable of below...