Nvidia NVENC
Nvidia NVENC (Nvidia Encoder) is a dedicated hardware-based video encoding technology integrated into Nvidia GPUs, starting with the Kepler architecture. It offloads video encoding tasks from the CPU to the GPU, enabling real-time, high-quality video encoding with minimal performance impact on the system. It is widely used for live streaming, video recording, and video conferencing applications.
NVENC is the dedicated encode block on supported NVIDIA hardware, so it can move video encoding work off the CPU and graphics/CUDA cores. It earns its place in streaming and transcoding workflows that actually need that offload.
Developers should use NVENC when building applications that require efficient real-time video encoding, such as game streaming (e.g., with OBS Studio), video editing software, or video conferencing tools, as it reduces CPU usage and improves overall system performance. It is particularly valuable for scenarios where high frame rates and low latency are critical, such as in live broadcasting or cloud gaming platforms.