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NVENC - Hardware-Accelerated Video Encoding
Posted by Oleh Muliarchuk on 06 June 2018 08:02

NVIDIA GPUs - beginning with the Kepler generation - contain a hardware-based encoder (referred to as NVENC) which provides fully-accelerated hardware-based video encoding and is independent of graphics performance. With complete encoding (which is computationally complex) offloaded to NVENC, the graphics engine and the CPU are free for other operations. For example, in a game recording scenario, encoding being completely offloaded to NVENC makes the graphics engine bandwidth fully available for game rendering.

GPUH.264 (AVCHD) YUV 4:2:0H.264 (AVCHD) YUV 4:4:4H.264 (AVCHD) LOSSLESSH.265 (HEVC) YUV 4:2:0H.265 (HEVC) YUV 4:4:4H.265 (HEVC) LOSSLESS
MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res.
Kepler 8-bit 4096 x 4096 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Maxwell (1st Gen)* 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 N/A N/A N/A N/A N/A N/A
Maxwell (2nd Gen) 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 N/A N/A N/A N/A
Maxwell (GM206) 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096
Pascal 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 10-bit 8192 x 8192** 10-bit 8192 x 8192** 10-bit 8192 x 8192**
Volta 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 10-bit 8192 x 8192 10-bit 8192 x 8192 10-bit 8192 x 8192

More datails at https://developer.nvidia.com/nvidia-video-codec-sdk

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