# Raspberry Pi Model Specifications

Note, the Compute module column refers to the bare Compute module, not connected to any IO board.

|Feature            | Model A | Model B | Model A+ | Model B+ | Compute Module |
|-------------------|:-------:|:-------:|:--------:|:--------:|:--------------:|
| BRCM2835 SoC | Yes | Yes | Yes | Yes | Yes |
| Standard SoC Speed | 700Mhz| 700Mhz| 700Mhz| 700Mhz| 700Mhz |
| RAM | 256MB | 512MB* | 256MB | 512MB | 512MB |
| Storage | Full SD | Full SD | Micro SD | Micro SD | 4GB eMMC |
| Ethernet 10/100 | No | Yes | No | Yes | No |
| HDMI output port   | Yes | Yes | Yes | Yes | Yes |
| Composite video output | Yes | Yes | On 3.5mm jack | On 3.5mm jack | Yes |
| Number of USB2.0 ports | 1 | 2 | 1 | 4 | 1 | 
| Expansion header | 26 | 26 | 40 | 40 | N/A |
| Number of available GPIO | 17 | 17 | 26 | 26 | 48 |
| 3.5mm audio jack | Yes | Yes | Audio/Video | Audio/Video | N/A
| Number of camera interface ports (CSI-2) | 1 | 1 | 1 | 1 | 2 |
| Number of LCD display interface ports (DSI) | 1 | 1 | 1 | 1 | 2 |
| Power (bare, approx, 5v) | 300mA, 1.5W | 700mA, 3.5W |  | 650mA, 3W |  |
| Size | 85 x 56 x 15mm | 85 x 56 x 17mm | 65 x 56 x 12mm | 85 x 56 x 17mm | 62 x 30 x 3mm |


- * Early Model B boards had 256MB RAM