RTX on GTX: Nvidia is enabling ray tracing on some GeForce GTX graphics playing cards

Nvidia invested closely in real-time ray tracing capabilities in its GeForce RTX 20-series graphics playing cards—a lot in order that these highest-end GeForce GPUs swapped out the age-old “GTX” branding for the brand new “RTX” title. However business assist for the unconventional new know-how hasn’t been quick in coming. Solely a handful of big-name video games ship with RTX options enabled. On the annual Recreation Builders Convention on Monday, the corporate revealed plans designed to spur wider adoption. Past some dev-centric bulletins, Nvidia is enabling fundamental ray tracing assist for a number of non-RTX GeForce GPUs.

Sure, you learn that appropriately. RTX is coming to GTX. Form of.


The GeForce GTX (and RTX) graphics playing cards that can assist real-time ray tracing.

An April GeForce driver replace will unlock fundamental ray tracing assist in GTX 16-series GPUs just like the lately launched GeForce GTX 1660 Ti, in addition to final technology’s GTX 10-series graphics playing cards from the 6GB GTX 1060 on up. (No finances GPUs, in different phrases.)  Builders received’t have to do something particular to assist ray tracing on GTX GPUs, both. If a recreation has ray tracing, appropriate GTX playing cards will work with it.

It’s a shocking transfer, particularly on condition that any DirectX 12 GPU is already theoretically able to real-time ray tracing utilizing Microsoft’s DirectX Raytracing API. The business’s ongoing message, pushed dwelling arduous by Nvidia itself, is that older graphics playing cards couldn’t carry out ray calculations with out slowing gaming body charges to a crawl. That’s the explanation that real-time ray tracing, lengthy thought of a graphics Holy Grail, took so lengthy to materialize in video games you’ll be able to truly play. Nvidia’s shock DXR assist for older GTX playing cards exhibits that the scenario is seemingly a bit extra nuanced.

bfv perf rt Nvidia

Nvidia says that GTX graphics playing cards will forged far fewer rays than RTX playing cards can with devoted ray tracing {hardware}, which is smart, and as such they’ll be restricted to fundamental ray tracing results. You received’t be operating Battlefield V’s Extremely ray-traced reflections in your GTX 1070. However you would possibly be capable of run them on Low or Medium settings!

Ray tracing efficiency on GTX graphics playing cards will range broadly relying on how a given recreation deploys ray tracing. Metro Exodus, for instance, makes use of DXR for World Illumination—all pure lighting on the planet is ray traced. That requires the engine to forged out scads of rays, in order that recreation’s ray tracing implementation doubtless received’t work at acceptable efficiency ranges on GTX graphics playing cards. Battlefield V’s real-time reflections are much less computationally intense and due to this fact simpler for GTX GPUs to deal with.

metro exodus frames Nvidia

You’ll nonetheless have to spend money on a GeForce RTX graphics card to run ray tracing results at greater constancy ranges, or Nvidia’s Deep Studying Tremendous Sampling (DLSS) know-how, which depends on devoted tensor cores not present in older GPUs. GTX graphics playing cards would possibly be capable of run ray tracing on the equal of Low settings. For lots of results, ray tracing on Low seems a lot better than no ray tracing in any respect, however we’ll have to see if the efficiency impression on playing cards with out devoted RT cores will render the purpose moot. Nvidia’s definition of “playable” may not fairly match ours.

Search for Nvidia’s RTX on GTX driver to drop someday in April, and for our analysis of the newfound capabilities quickly thereafter. And make sure you keep tuned all this week for extra protection from GDC 2019.

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