I was surprised at how similar the results were.
Yep.
Here is a 'sample' for .44Mag (6 1/2" barrel) from my records
7.5g Unique, 240g SWC, 956fps
7.5g Universal,240g SWC, 946fps
8.0g Unique, 240g SWC, 998fps
8.0g Universal,240g SWC, 1001fps
8.5g Unique, 240g SWC, 1053fps
8.5g Universal,240g SWC, 1056fps
You'll find similar results in other calibers.
Here is .357 (6 1/2" barrel) for example
6.0g Unique, 158g SWC, 1082fps
6.0g Universal, 158g SWC, 1096fps