A processor for fine-grain sparse integer and floating-point operations and method of operation thereof are provided. In some embodiments, the method includes forming a first set of products, and forming a second set of products. The forming of the first set of products may include: multiplying, in a first multiplier, a second multiplier, and a third multiplier, the first activation value by a first least significant sub-word, a second least significant sub-word, and a most significant sub-word; and adding a first resulting partial product and a second resulting partial product. The forming of the second set of products may include forming a first floating point product, the forming of the first floating point product including multiplying, in the first multiplier, a first sub-word of a mantissa of an activation value by a first sub-word of a mantissa of a weight, to form a third partial product.