RenderTextureFormat.RGB565
Description

Color render texture format.

5 bits for Red channel, 6 bits for Green channel, 5 bits for Blue channel

Note that not all graphics cards support 16 bit textures. Use SystemInfo.SupportsRenderTextureFormat to check for support.

See Also: RenderTexture.format, RenderTexture class, SystemInfo.SupportsRenderTextureFormat.