Submission + - GamersNexus: Effect of 32-bit PhysX removal on older games (youtube.com)
UnknowingFool writes: Gamer's Nexus performed tests on the effect of removing legacy PhysX on the newest generation of NVidia cards with older games, and the results are not good. With PhysX on, the latest generation NVidia was slightly beaten by a GTX 580 (released 2010) on some games and handily beaten by a GTX 980 (2014) on some games.
With the launch of the 5000 series, NVidia dropped 32-bit CUDA support going forward. Part of that change was dropping support for 32-bit PhysX. As a result older titles that used it would perform poorly with 5000 series cards as it would default to CPU for calculations. Even the latest CPUs do not perform as well as 15 year old GPUs when it comes to PhysX.
The best performance on the 5080 was to turn PhysX off however that would remove many effects like smoke, breaking glass, and rubble from scenes. The second best option was to pair a 5000 series with an older card like a 980 to just handle the PhysX computations.
With the launch of the 5000 series, NVidia dropped 32-bit CUDA support going forward. Part of that change was dropping support for 32-bit PhysX. As a result older titles that used it would perform poorly with 5000 series cards as it would default to CPU for calculations. Even the latest CPUs do not perform as well as 15 year old GPUs when it comes to PhysX.
The best performance on the 5080 was to turn PhysX off however that would remove many effects like smoke, breaking glass, and rubble from scenes. The second best option was to pair a 5000 series with an older card like a 980 to just handle the PhysX computations.
GamersNexus: Effect of 32-bit PhysX removal on older games More Login
GamersNexus: Effect of 32-bit PhysX removal on older games
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