AMD GPUs are better optimized for integer ops, whereas on nVidia integer ops are basically a second class citizen. Also, AMD tends to be more cores at a lower

AMD GPUs are better optimized for integer ops, whereas on nVidia integer ops are basically a second class citizen. Also, AMD tends to be more cores at a lower clock rate than nVidia. For embarrassingly parallel integer operations (like hashing) AMD blows nVidia out of the water.