The NVIDIA GTX 1660 SUPER is the objective winner of this comparison, securing victory in seven out of thirteen measured specifications. While the NVIDIA GTX 1070 maintains a notable lead in shader units, offering a 36% advantage in that category, the newer card dominates in computational efficiency. The most impactful advantage belongs to the NVIDIA GTX 1660 SUPER, which provides a 9950% improvement in FP16 performance compared to its counterpart.

Users who prioritize raw shader count for specific rendering tasks should choose the NVIDIA GTX 1070 for its superior capacity in that area. Conversely, the NVIDIA GTX 1660 SUPER is the better choice for those who require significantly higher FP16 performance. By selecting based on these specific technical strengths, buyers can align their hardware choice with the computational demands of their intended applications, whether they favor the shader-heavy architecture of the older model or the modern efficiency of the newer one.