Hello, yes, they are different.
You can see the difference by the below links.
The power and noise lever are different, but they both have a PWM function.
https://shop.bitspower.com/index.php?route=product/product&path=4_8&product_id=7215https://shop.bitspower.com/index.php?route=product/product&product_id=5250&search=DDCPLS