Need MMC for Nokia 6620
MMC vs. SD and “Flashcards.co.nz”:http://www.flashcards.co.nz/knowlege-base/mmc-card-vs-sd-card.html. We are getting Nokia 6620 for various demonstrations and need a big memory card. It takes MMC, but I’ve never understood the difference with SD until now.
Basically SD is newer and has a higher transfer rate, but has some mysterious copy protection scheme. They are the same shape, so you should be able to use either. Unfortunately, the Nokia has a MMC reader so the newer SD won’t read right. (SD readers can handle MMC, but MMC readers can’t handle SD). “Symbian Forums”:http://www.allaboutsymbian.com/forum/showthread.php?t=16532&highlight=6620 has a thread on what MMC cards work in 6600 and 6620 Nokias.
“Justin Castle”:http://homepage.ntlworld.com/justincastle/gizaccessories.htm has a good pricing overview as well. Shows that the current pricing as of October is a sweet spot of 512MB and that with volumes, the SD cards are actually cheaper now than MMC because they are used by more devices, but I don’t know if the slightly bigger SD will actually fit in a Nokia 6620 (btw the prices below are in UK pounds). The main issue is that the case is slightly thicker at 2.1mm vs. 1.4mm.
The other change is that the SD cards have a bunch of different variants. The first SD cards read at 10Mbps vs. 2.5Mbps for MMC. But there is now the Ultra II SD whic writes at 9Mbps (45x) and the XS SD that writes at 10Mpbs (66x). So judging by this, it probably makes sense to get a 512MB XS given the low price different (only about 6 pounds more). So if you have a phone with SD, get SD, otherwise, jam for a good MMC.
| Size | SD | MMC |
| 128MB | 11.99 (Amazon) | 10.99 (Amazon) |
| 256MB | 17.61 (Amazon) | 21.95 (Expansys) |
| 512MB | 32.95 (Expansys) | 34.99 (Amazon) |
| 1024MB | 59.99 (Amazon) | 75.99 (Amazon) |
| 256MB Ultra II | 32.40 (Pic Stop) | |
| 512MB Ultra II | 52.35 (Blank Media | |
| 256MB XS | 25.99 (Amazon) | |
| 512MB XS | 38.99 (Amazon) | |
| 1024MB XS | 69.99 (Amazon) | |