Recently I bought SanDisk Micro SDHC 8gb and I surprised how much the card became so slow to boot on my R4i blah blah ...
However, I compare the boot speed between my memory cards and the results is:
2gb: first boot about 00:03:650 Milliseconds ...
2nd boot about 00:02:410 Milliseconds ...
4gb: first boot about 00:03:516 Milliseconds ...
2nd boot about 00:01:767 Milliseconds ...
8gb: first boot about 00:05:045 Milliseconds ...
2nd boot about 00:10:325 Milliseconds ...
Note: first boot = the time between first click to start the boot and the R4i blah blah menu screen ...
2nd boot = the time between R4i blah blah menu screen and the games folders ...
However, I compare the boot speed between my memory cards and the results is:
2gb: first boot about 00:03:650 Milliseconds ...
2nd boot about 00:02:410 Milliseconds ...
4gb: first boot about 00:03:516 Milliseconds ...
2nd boot about 00:01:767 Milliseconds ...
8gb: first boot about 00:05:045 Milliseconds ...
2nd boot about 00:10:325 Milliseconds ...
Note: first boot = the time between first click to start the boot and the R4i blah blah menu screen ...
2nd boot = the time between R4i blah blah menu screen and the games folders ...