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There are hardware differences and peripheral differences. What can be accomplished or run on a Model B that cannot be done with a Model A? Are expansion boards being designed to be compatible with both? When available, other than cost, is there an advantage to ordering the Model A?

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4 Answers 4

up vote 12 down vote accepted

The model A only has 1 USB port and no Ethernet port, whereas the model B has 2 USB ports and has an Ethernet port.

Although the model B is the only one currently available, the Foundation's aim is to sell the model A at $25 and the model B at $35. Apart from the lower price, model A also offers small advantage of using less power, hence it can be powered by 500 mA power supplies.

Originally model A was only supposed to have 128MB of RAM - but it's now going to ship with 256MB (B will soon be shipped with 512MB for the same price). You may still see references to different memory in old literature.

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Model A available in Europe as of today: raspberrypi.org/archives/3215 –  Frederic Feb 4 '13 at 12:42
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Model A has 256Mb RAM, one USB port and no Ethernet (network connection). Model B has 512Mb RAM, 2 USB port and an Ethernet port. Source ( Under GENERAL )

Also checkout this Wikipedia link for more details ( Under Specifications )

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The Model A doesn't have a USB hub chip, Ethernet jack, nor a Ethernet chip; has fewer LED lights, 1 less usb port and half the RAM of the Model B; and has one or two very minute differences. However, it uses less power.

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anyone knows if the cpu frecuency still the same?

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If you have a new question, please ask it by clicking the Ask Question button. Include a link to this question if it helps provide context. –  lenik 12 hours ago
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