It is hard to compare shoes. I went thru several different makes. I am just over 12 1/2 on the brannock device and width is between D and E. Street shoes are a pain since they are often in a 12 or 13.
I found the Sidi Mega to work for me. I have 4 pairs, all bought new unused on fleebay for a good price, relatively. 48 Mega Dragons....I have rarely used them, they feel like boat ankors. 47 Mega 6.6 for most of my riding and 48 Mega for long distance events to give room for swelling and use of wool socks. I drill the 6.6 road shoe soles for SPD. They have enough height that I can put thick stiff insoles inside. I had gone to a million bike shops and none of them stock shoes and certainly not for big feet. Some of the online stores have very generous return policies, this might be your best bet.
From what I have read over the years, really big wide feet like Lake shoes.