InstantForum.NET v4.1.3Phone memory card help - microSD, miniSD, SDHC, Memory stick micro M2, Pro Duo, MMCmobile cardshttp://forums.mobymemory.com/forums@mobymemory.comFri, 08 Aug 2008 01:28:18 GMT20http://forums.mobymemory.com/Topic824-11-1.aspxTestThu, 19 Apr 2007 15:04:10 GMTravsterhttp://forums.mobymemory.com/Topic824-11-1.aspxTestThu, 19 Apr 2007 15:02:25 GMTravsterhttp://forums.mobymemory.com/Topic824-11-1.aspxHi what about the speeds, is SD faster than MMC, in the read write speeds.....Thu, 07 Oct 2004 14:03:26 GMTatoolboxhttp://forums.mobymemory.com/Topic824-11-1.aspx<P align=center><SPAN id=_ctl2_ThreadRepeater__ctl2_lblFullMessage> <STRONG><U><FONT color=#5555dd size=3>HOWTO: Compare the merits of MMC Vs SD Memory cards</FONT></U></STRONG></P><P><STRONG>MMC - MultimediaCard</STRONG> and <STRONG>SD - SecureDigital</STRONG> are two alternative memory card standards.</P><P>Whilst they are closely related, they are distinct standards in their own right and managed by separate corporations and associations.</P><UL><LI>MMC cards are compatible with both MMC slot devices AND SD slot devices. (e.g. Nokia, Siemens, Samsung, Sharp, Motorola phones and SD slot cameras))<BR></LI></UL><UL><LI>SD cards are only compatible with SD slot devices. (which <STRONG><FONT color=#bb1111><U>excludes</U></FONT></STRONG> Nokia and Siemens phones and other MMC devices)</LI></UL><P>This makes a like-for-like comparison between MMC and SD fairly straightforward, as one standard has a much wider range of devices with which it is compatible.</P><P>However, it is not quite that simple because SD cards do have some additional functions in the hardware specification, including a write-lock toggle, and some wiring for enabling digital rights management on the card.</P><P>In the vast majority of cases, i would say the broader compatibility across both SD and MMC is the more useful feature to have, especially as digital rights management is a feature of most use to owners of copyrighted material who want to protect it.</P><P>hope this helps</P><P> </P></SPAN>Wed, 29 Sep 2004 12:16:48 GMTwebmaster