GX-100 Firmware 1.5 speeds RAW write time

I do not know if anyone had posted about this yet.

I updated my GX100's firmware from 1.18 to 1.5 today. Before doing so, I tested the write time of RAW files to my three SD cards. Below are the results, each was tested three times.

Firmware 1.18:
San Disc Extreme III: 12 blinks
Ritz Crystal Series (by Lexar): 13 blinks
Ritz Big Print Digital Series (by Lexar): 19 blinks

Firmware 1.5:
San Disc Extreme III: 9 blinks
Ritz Crystal Series (by Lexar): 10 blinks
Ritz Big Print Digital Series (by Lexar): 18 blinks

I did try reformating with Firmware 1.5, but had no effect on speed.

Conclusions: Firmware 1.5 gives the GX100 faster RAW write speeds and I need to replace my slow poke Ritz Big Print Digital Series SD card.

Michael