In a word, the RunCam 5 Orange is an updated version of the RunCam 5.
Specifically, there are the following improvements:
1. Added a new resolution: 2.7K 60fps. The original RunCam 5 can only support 2.7K 50fps.
2. Added a new EIS(Electronic Image Stabilization) chipset. The original RunCam 5 doesn't have an EIS feature.
3. The recording time increases by more than 30%. Especially for the 4K 30fps resolution, the RunCam 5 Orange can record up to 105 minutes while the original RunCam 5 can only record for about 65 minutes.