Mobile computing performance is largely bounded not by how much work you can do this second but by how much work you do without exhausting your battery too quic

Mobile computing performance is largely bounded not by how much work you can do this second but by how much work you do without exhausting your battery too quickly to be usable or overheating. Comparing them as if both were equally capable of going flat out is deceptive. Other things being equal working faster means spinning down quicker and using less juice.