Confusing products codes


What dfferences exist between these products:




The first one can be found here:

The second here:

If I compare these products in that online store, the only difference is the price (9 EUR).

Maybe there are more differences?

In SanDisk site, the first product, SDCZ80-064G-X46 doesn’t appear now.


By the way, I also can’t seem to spot the difference. Throughput speed perhaps? 

Someone says on that SDCZ80-064G-X46 it’s an older revision.

SDCZ80-064G-G46 it’s newer and I have it right now.

the products are the same. the last 3 of the SKU are the packaging code for distribution channels that determine what languages are on the packaging.