Concept | Specification | Copyright | Architecture | SD I/O | Comparison | What's Next |
SD Memory Card Compared to Other Semiconductor Cards |
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SD Memory Card![]() |
MagicGate MemoryStick
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MemoryStick
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MultiMedia Card
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SmartMedia
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CompactFlash
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Development |
Panasonic?, |
Sony? |
Sony? |
SanDisk?, Infineon?
Technologies |
Toshiba? |
SanDisk? |
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Size W/H/T |
24.0/32.0/2.1mm |
50.0/21.5/2.8mm |
50.0/21.5/2.8mm |
24.0/32.0/1.4mm |
37.0/45.0/0.76mm |
36.4/42.8/3.3mm |
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Volume |
1.6cc |
3.0cc |
3.0cc |
1.1cc |
1.3cc |
5.1cc |
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Surface |
8 |
11 |
11 |
8 |
17 |
16 |
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Weight |
2.0g |
4.0g |
4.0g |
1.5g |
2.0g |
11.4g |
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Capacity |
8, 16, 32, 64, 256, 512MB |
32, 64, 128MB |
4~64 / 128MB |
4~64MB |
4~128MB |
4~512MB |
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Copyright |
Yes |
Yes |
No |
No |
Light protection under ID key system |
No |
Light protection under ID key system |
No |
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Write Protection |
Yes |
Yes |
Yes |
No |
Yes, with sticker |
No |
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Transfer Rate
MB/second
W = Write |
R/W: 10MB/sec. (cards up to
5121MB) R/W: 20MB/sec. (cards over
1GB) |
R: 2.45MB/sec. |
R: 2.45MB/sec. |
R: 1.0MB/sec. |
R: 3.5MB/sec. |
R: 3.5MB/sec. |
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Remarks |
Upward-compatible with the MultiMedia Card |
The MagicGate Memory Stick is upward-compatible with Memory Stick. |
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| Panasonic is registered trademark of
Matsushita Electric Industrial Co., Ltd. Toshiba is a registered trademark, and SmartMedia is a trademark of Toshiba Corporation SanDisk and CompactFlash are registered trademarks of SanDisk Corporation Sony and Memory Stick are registered trademarks, and MagicGate is a trademark of Sony Electronics, Inc. Infineon is a trademark, and MultiMedia card is a registered trademark of infineon Technologies AG |