Sucrose is mostly not processed like fructose. Fructose is processed in the liver, sucrose mostly by the regular digestion tract, with a little bit in the liver. You should do more reading, it's pretty fascinating.
Note also that Sucrose is 50% fructose, so saying sucrose isn't processed like fructose is very unlikely.
There is lots of speculation even in the mainstream, but our best understanding now is that they are similar.