nouveau
Intel Core i5-4690K testing with a Gigabyte Z97X-Gaming 7 and Gigabyte Intel NVIDIA NVE4 4096MB on Ubuntu 15.10 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1601043-HA-NOUVEAU2965&sro&grw.
Xonotic
Resolution: 1920 x 1080 - Effects Quality: Ultra
Xonotic
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Phoronix Test Suite v10.8.5