Template:Comparison of memory cards
Revision as of 18:02, 27 June 2012 by 193.63.174.208 (talk) (oooooooooooooooooooooooooooops ... OK, I was able to quite happily insert forced newlines in the last table I edited, what's different about THIS one?!)
| Type | MMC | RS-MMC | MMC Plus | SecureMMC | SD | SDIO | miniSD | microSD |
|---|---|---|---|---|---|---|---|---|
| SD Socket | Yes | Template:Yes2 Extender | Yes | Yes | Yes | Yes | Template:Yes2 Adapter | Template:Yes2 Adapter |
| Pins | 7 | 7 | 13 | 7 | 9 | 9 | 11 | 8 |
| Form factor | thin | thin/short | thin | thin | thick (some) | thick | narrow/thin/short | narrow/extra thin/short |
| Width | 24 mm | 24 mm | 24 mm | 24 mm | 24 mm | 24 mm | 20 mm | 11 mm |
| Length | 32 mm | 18 mm | 32 mm | 32 mm | 32 mm | 32 mm+ | 21.5 mm | 15 mm |
| Thickness | 1.4 mm | 1.4 mm | 1.4 mm | 1.4 mm | 2.1 mm (some) | 2.1 mm | 1.4 mm | 1 mm |
| SPI mode | Optional | Optional | Optional | Yes | Yes | Yes | Yes | Yes |
| 1-bit mode | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 4-bit mode | No | No | Yes | No | Optional | Optional | Optional | Optional |
| 8-bit mode | No | No | Yes | No | No | No | No | No |
| Interrupts | No | No | No | No | No | Optional | No | No |
| Max clock rate | 20 MHz | 20 MHz | 52 MHz | 20 MHz? | 208 MHz | 50 MHz | 208 MHz | 208 MHz |
| Max transfer | 20 Mbit/s | 20 Mbit/s | 416 Mbit/s | 20 Mbit/s? | 832 Mbit/s | 200 Mbit/s | 832 Mbit/s | 832 Mbit/s |
| Max SPI transfer | 20 Mbit/s | 20 Mbit/s | 52 Mbit/s | 20 Mbit/s | 50 Mbit/s | 50 Mbit/s | 50 Mbit/s | 50 Mbit/s |
| DRM | No | No | No | Yes | Yes | Template:N/A | Yes | Yes |
| User encrypt | No | No | No | Yes | No | No | No | No |
| Simplified spec | Yes | Yes | No | Not yet? | Yes | Yes | No | No |
| Membership cost | JEDEC: $4400/yr, optional | SD Card Association: $2000/yr, general; $4500/yr, executive | ||||||
| Specification cost | Free | ? | Simplified spec: free Full spec: free to members, $1000/yr to R&D non-members | |||||
| Host license | No | No | No | No | Yes $1000/yr | |||
| Card royalties | Yes | Yes | Yes | Yes | Yes | Yes +$1000/yr | Yes | Yes |
| Open source compatible | Yes | Yes | Yes? | Yes? | Yes | Yes | Yes | Yes |
| Nominal operating voltage | 3.3V | 1.8V/3.3V | 1.8V/3.3V[1][2] | 1.8V/3.3V | 3.3V (SDSC), 1.8/3.3V (SDHC, SDXC) | 3.3V | 3.3V | 3.3V (SDSC), 1.8/3.3V (SDHC, SDXC) |
| Type | MMC | RS-MMC | MMC Plus | SecureMMC | SD | SDIO | miniSD | microSD |
Table data compiled mostly from simplified versions of MMC and SDIO specifications and other data on SD card and MMC association web sites. Data for other card variations is interpolated.
Capacity limit in all SD/MMC formats appears to be 128 GB in LBA mode (28-bit sector address).[citation needed]