Published: Tue, March 19, 2019
Electronics | By Kelly Massey

Nvidia's Bringing Over Ray Tracing Tech to Older GTX Cards

Nvidia's Bringing Over Ray Tracing Tech to Older GTX Cards

Now, there's some good news for owners of GTX cards: ray tracing support is coming to these older products, albeit in a basic form and with some caveats. Models flagged to get the update include: Titan XP, Titan X, GTX 1080 and 1070 models, and the GTX 1060 6GB version.

In-game testing showed the use of RTX cards increased the number of frames per second by a factor between 1.5 to 5 times.

Nvidia has also announced that Unity and Unreal Engine now support ray tracing, allowing developers to implement the tech into their games. The obvious implication is that it may be possible to achieve real-time ray tracing without dedicated cores, thus potentially leaving Nvidia's RTX customers wondering why they have paid for the privilege, and those using existing graphics cards wondering if they might be able to get in on the action without a costly upgrade.

NVIDIA is bringing ray tracing to older GeForce GTX GPUs

Remedy has released a new trailer for Control from GDC 2019, with the trailer specifically highlighting that the game will feature support for GeForce RTX's real-time ray tracing to give some added depth and immersion to its visuals. The update will add DXR and Ray tracing capabilities to these GPUs.

The upcoming driver which lands in April will enable support for DXR for the aforementioned cards and existing games with DXR will support the cards just fine with the latest NVIDIA GeForce drivers. NVIDIA is also going to bring ray tracing to the Vulkan API. Nvidia says RTX GPUs will be two to three times faster than GTX ones thanks to their RT cores. The cards are expected to perform much better with games like Battlefield V which uses ray tracing for just reflections on some surfaces as compared to games like Metro Exodus which uses much larger workload for illumination effects on a wider scale. DLSS requires NVIDIA's Tensor cores to work, so this feature is very unlikely to be introduced to the older cards. Moving on to Turing with all cores (FP32, INT32, RT, Tensor), we see the time is nearly 1/4 of the total time it took for Pascal to render the frame.

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