TGA is a raster graphic format. It was originally created by Truevision Inc. for graphics cards has its own production in 1984, but later became popular on a variety of platforms, especially in the field of video editing, animation. Format supports color depths 1-32 bits per pixel. There is support for alpha channels, compression RLE.
SVG is a markup language, scalable vector graphics, created by World Wide Web Consortium (W3C), designed for describing two-dimensional vector and mixed vector / raster graphics in XML. Supports both and animated, interactive graphics and declarative scripting. Not support the description of three-dimensional objects. The basis of SVG VML formed markup languages and PGML.