View source for Template:Comparison of memory cards

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{| class="wikitable" style="width:100%; text-align:center"
|+ {{navbar-header|Comparison of technical features of MMC and SD card variants|MultiMediaCard comparison|mini=1}}
! Type || MMC || RS-MMC || MMCplus || MMCmobile || SecureMMC || SDIO || SD || miniSD || microSD
|-
! SD-socket compatible
| {{Yes}} || {{Yes2}} Extender || {{Yes}} || {{Yes2}} Extender ||  {{Yes}} || {{Yes}} || {{Yes}} || {{Yes2}} Adapter || {{Yes2}} Adapter
|-
! Pins
| 7 || 7 || 13 || 13 || 7 || 9 || 9 || 11 || 8
|-
! Width
| 24&nbsp;mm || 24&nbsp;mm || 24&nbsp;mm || 24&nbsp;mm || 24&nbsp;mm || 24&nbsp;mm || 24&nbsp;mm || 20&nbsp;mm || 11&nbsp;mm
|-
! Length
| 32&nbsp;mm || 18&nbsp;mm || 32&nbsp;mm || 18&nbsp;mm || 32&nbsp;mm || 32&nbsp;mm+ || 32&nbsp;mm || 21.5&nbsp;mm || 15&nbsp;mm
|-
! Thickness
|1.4&nbsp;mm ||1.4&nbsp;mm ||1.4&nbsp;mm || 1.4&nbsp;mm ||1.4&nbsp;mm || 2.1&nbsp;mm || 2.1&nbsp;mm (most)<br/>1.4&nbsp;mm (rare) || 1.4&nbsp;mm || 1&nbsp;mm
|-
! 1-[[bit]] [[Serial Peripheral Interface Bus|SPI-bus]] mode
| {{Depends|Optional}} || {{Depends|Optional}} || {{Depends|Optional}} || {{Depends|Optional}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
! Max SPI bus clock
| 20&nbsp;[[MHz]] || 20&nbsp;MHz || 52&nbsp;MHz ||  52&nbsp;MHz || 20&nbsp;MHz || 50&nbsp;MHz || 25&nbsp;MHz || 50&nbsp;MHz || 50&nbsp;MHz
|-
! 1-bit MMC/SD bus mode
| {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
! 4-bit MMC/SD bus mode
| {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{Depends|Optional}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
! 8-bit MMC bus mode
| {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}}
|-
! [[Double data rate|DDR]] mode
| {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{Unknown}} || {{Unknown}} || {{Unknown}} || {{Unknown}} || {{Unknown}}
|-
! Max MMC/SD bus clock
| 20&nbsp;[[MHz]] || 20&nbsp;MHz || 52&nbsp;MHz || 52&nbsp;MHz || 20&nbsp;MHz? || 50&nbsp;MHz || 208&nbsp;MHz || 208&nbsp;MHz || 208&nbsp;MHz
|-
! Max MMC/SD transfer rate
| 20&nbsp;[[megabit|Mbit]]/s || 20&nbsp;Mbit/s || 832&nbsp;Mbit/s || 832&nbsp;Mbit/s || 20&nbsp;Mbit/s? || 200&nbsp;Mbit/s || 832&nbsp;Mbit/s || 832&nbsp;Mbit/s || 832&nbsp;Mbit/s
|-
! [[Interrupt]]s
| {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Depends|Optional}} || {{No}} || {{No}} || {{No}}
|-
! [[Digital rights management|DRM]] support
| {{good|No}} || {{good|No}} || {{good|No}} || {{good|No}} || {{bad|Yes}} || {{N/A}} || {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}}
|-
! User encrypt
| {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}}
|-
! Simplified spec.
| {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{Unknown}} || {{Yes}} || {{Yes}} || {{No}} || {{No}}
|-
! Membership cost
|colspan=5|JEDEC: US$4,400/yr, optional||colspan=4|SD Card Association: US$2,000/year, general; US$4,500/year, executive
|-
! [[Specification]] cost
|colspan=4| Free || {{Unknown}} ||colspan=4| Simplified: free. Full: membership, or US$1,000/year to R&D non-members
|-
! Host license
| {{good|No}} || {{good|No}} || {{good|No}} || {{good|No}} || {{good|No}} ||colspan=4 {{Depends|US$1,000/year, excepting SPI-mode only use}}
|-
! Card royalties
| {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}}, US$1,000/year || {{bad|Yes}} || {{bad|Yes}} || {{bad|Yes}}
|-
! [[Open-source software|Open-source]] compatible
| {{Yes}} || {{Yes}} || {{Unknown}} || {{Unknown}} || {{Unknown}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
! Nominal voltage
| 3.3&nbsp;V || 3.3&nbsp;V || 3.3&nbsp;V<ref>{{Citation | url = http://www.jedec.org/sites/default/files/docs/JESD84-B41.pdf | publisher = JEDEC | title = MMC 4.1 Specification | page = 7 | year = 2008 | format = [[PDF]]}}.</ref><ref>{{Citation | url = http://www.transcendusa.com/support/dlcenter/datasheet/TSxxMMC4.pdf | publisher = Transcend | title = MMC 4.0 spec does not support 1.8V | place = United States | format = PDF | year = 2009}}.</ref> || 1.8&nbsp;V/3.3&nbsp;V || 1.8&nbsp;V/3.3&nbsp;V || 3.3&nbsp;V || 3.3&nbsp;V (SDSC),<br/>1.8/3.3&nbsp;V (SDHC, SDXC & SDUC) || 3.3&nbsp;V (miniSD),<br/>1.8/3.3&nbsp;V (miniSDHC) || 3.3&nbsp;V (SDSC),<br/> 1.8/3.3&nbsp;V (microSDHC, microSDXC & microSDUC)
|-
! Max capacity
| 128&nbsp;GB || 2&nbsp;GB || 128&nbsp;GB? || 2&nbsp;GB || 128&nbsp;GB? || ? || 2&nbsp;GB (SD),<br/>32&nbsp;GB (SDHC),<br/>1&nbsp;TB (SDXC),<br/>2&nbsp;TB (SDXC, theoretical),<br/>128&nbsp;TB (SDUC, theoretical) || 2&nbsp;GB (miniSD),<br />16&nbsp;GB (miniSDHC) || 2&nbsp;GB (microSD),<br/>32&nbsp;GB (microSDHC),<br/>1&nbsp;TB (microSDXC),<br/>2&nbsp;TB (microSDXC, theoretical),<br/>128&nbsp;TB (microSDUC, theoretical)
|-
! Type
! MMC || RS-MMC || MMCplus || MMCmobile || SecureMMC|| SDIO || SD || miniSD || microSD
|}

* Table data compiled from MMC, SD, and SDIO specifications from [[SD Association]] and [[JEDEC]] web sites. Data for other card variations are interpolated.<noinclude>
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[[Category:Computer hardware templates]]
[[Category:Computer storage devices]]
[[Category:Solid-state computer storage media]]
</noinclude>