I prefer Amazon Chocolate. Only grew CC once, last year, but I also grew AC. CC was taller, had bigger fruits ( a couple over 1lb.), had more bite, many more catfaced fruits and didn't keep well on the counter. Amazon Chocolate had more sweetness but with an intense flavor, was much more productive, had prettier fruits and no mealiness. Definitely different and if I were you, I'd plant both.
jmo
kath
P.S. My AC is the PL version. I grew the tall, RL version with small fruits that split worse than Sungold and it was a bust.