dota opengl & vulkan opengl: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: MSI Z97 GAMING 7 (MS-7916) v1.0, Chipset: Intel Haswell DRAM, Memory: 16384MB, Disk: 120GB OCZ VERTEX3 MI + 1500GB SAMSUNG HD154UI, Graphics: Zotac NVIDIA GeForce GTX 780 3072MB (862/3004MHz), Audio: Realtek ALC1150, Network: Atheros Killer E220x Gigabit OS: SteamOS 1.0, Kernel: 3.10-5-amd64 (x86_64), Desktop: GNOME 3.4.2.1, Display Server: X Server 1.12.4, Display Driver: NVIDIA 364.19, OpenGL: 4.5.0, Compiler: GCC 4.7.2, File-System: ext4, Screen Resolution: 1920x1080 vulkan: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: MSI Z97 GAMING 7 (MS-7916) v1.0, Chipset: Intel Haswell DRAM, Memory: 16384MB, Disk: 120GB OCZ VERTEX3 MI + 1500GB SAMSUNG HD154UI, Graphics: Zotac NVIDIA GeForce GTX 780 3072MB (862/3004MHz), Audio: Realtek ALC1150, Network: Atheros Killer E220x Gigabit OS: SteamOS 1.0, Kernel: 3.10-5-amd64 (x86_64), Desktop: GNOME 3.4.2.1, Display Server: X Server 1.12.4, Display Driver: NVIDIA 364.19, OpenGL: 4.5.0, Compiler: GCC 4.7.2, File-System: ext4, Screen Resolution: 1920x1080 Dota 2 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better opengl . 198.30 |============================================================== vulkan . 166.77 |====================================================