Quality of plastic: US vs Japanese Figures

I was wondering which country produced the TF figure with better quality.
What made me think about this was the re-issue Laser Optimus Prime. I was too young to get one myself when it first came out, and despite RiD Scourge being a repaint, it just wasn't the same (in terms of colour of course).
Anyways, I saw in my local collector's shop a re-issue of Laser Optimus Prime, but it was the Japanese version.
It obviously had some noticeable differences (vacuumized metal, different stickers etc.)
But what I really want to know is: who uses the better plastic? Are they the same? Is the US version more "solid" while the Japanese version is more "rubbery"?
Also, who has the better paint application? And finally, if you had a choice, which of the two would you prefer? (assuming money is no object)
Thanks in advance to anyone with any advice!
What made me think about this was the re-issue Laser Optimus Prime. I was too young to get one myself when it first came out, and despite RiD Scourge being a repaint, it just wasn't the same (in terms of colour of course).
Anyways, I saw in my local collector's shop a re-issue of Laser Optimus Prime, but it was the Japanese version.
It obviously had some noticeable differences (vacuumized metal, different stickers etc.)
But what I really want to know is: who uses the better plastic? Are they the same? Is the US version more "solid" while the Japanese version is more "rubbery"?
Also, who has the better paint application? And finally, if you had a choice, which of the two would you prefer? (assuming money is no object)
Thanks in advance to anyone with any advice!
