Golf Club Head with High Density Body and Low Density Face

A golf club head comprising:

• a body comprising a first material and a first specific gravity, the body further comprising:
• a top;
• a bottom opposite the top;
• a heel;
• a toe opposite the heel;
• and
• a back end;
• a strike face comprising a second material having a second specific gravity;
• wherein:
• the second specific gravity is less than the first specific gravity;
• a ratio of the first specific gravity to the second specific gravity is greater than or equal to 1.7;
• the body of the golf club head and the strike face are coupled together by welding;
• the body further comprises:
• a center of gravity;
• wherein the strike face comprises a front side and a back side;
• wherein a recess is formed in the back side of the strike face;
• wherein the back side comprises a first support near the top of the golf club head, and a second support near the bottom of the golf club head;
• wherein the first support and the second support abut the back end of the body;
• wherein a cavity is defined in the back end of the body;
• wherein the back side of the strike face, the first support, the second support, and the back end define an enclosed interior;
• wherein the enclosed interior includes the recess defined in the back side of the strike face, and the cavity defined in the back end of the body.