Just got my new 4-Play Advanced, here are the visual comparisons.
From the website
Compatibility
Works with the existing software
Has the same USB ID so that you do not need to reconfigure your software
Has the same mapping, and code logic just faster with greater controller support
Compatible with 4-Play/GP Cables
Advantages over the 4-Play.
Xinput and HID support
Fixed USB 1mS Poll rate
USB 2.0 High Speed
True Force Feedback Ready
No Combo (rumble) fix needed
Got it here
https://bliss-box.net/products/4-play-advanced-1