R4 3DS or R4i 3DS, which is better?

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There are 2 most popular flashcard for Nintendo 3DS console in the market, the r4 3ds and r4i 3ds card, which is better?

R4 3DS card from r4i-sdhc.com

R4 3DS card is the most popular slot-1 flashcard. It is made by branded r4i-sdhc.com, so it is also called R4i SDHC 3DS card. R4 3DS card is a powerful game engine, it's firmware update very fast to support many latest games. Currently, most Nintendo players use this fantastic flashcard to play games, listen music, watch TV, read E-book....... card support Nintendo 3DS V2.1.0-4, DSi V1.4.3, DSi V1.4.2 and DS lite console.
R4i 3DS card from r4ids.cn

R4i 3DS card is also called R4i Gold 3DS, as it is the upgrade version of R4i Gold card. R4i 3DS contains very good compatibility, it use Wood R4 kernel. Either for top player or Green hand, the R4i 3DS is most optional. It has good quality, and easy to operate. R4i 3DS card is the first flashcard to break 3DS console, it work straightly on all Nintendo consoles, no need any upgrade. What ever your console is, the R4i 3DS card will be a good choice, it really deserve the payment.