| Model A | Model B | |
|---|---|---|
| System-on-a-chip (SoC): | Broadcom BCM2835 (CPU + GPU + SDRAM) datasheet | |
| CPU: | 700 MHz ARM11 ARM1176JZF-S core | |
| GPU: | Broadcom VideoCore IV,OpenGL ES 2.0,OpenVG 1080p30 H.264 high-profile encode/decode | |
| Memory (SDRAM): | 128 MiB | 256 MiB |
| USB 2.0 ports: | 1(provided by the BCM2835) | 2 (via integrated USB hub) datasheet |
| Video outputs: | Composite video|Composite RCA, HDMI (not at the same time) | |
| Audio outputs: | TRS connector|3.5 mm jack, HDMI | |
| Audio inputs: | none, but a USB mic or sound-card could be added | |
| Onboard Storage: | Secure Digital|SD / MMC / SDIO card slot | |
| Onboard Network: | None | 10/100 wired Ethernet RJ45 |
| Low-level peripherals: | General Purpose Input/Output (GPIO) pins, Serial Peripheral Interface Bus (SPI), I²C, I²S, Universal asynchronous receiver/transmitter (UART) | |
| Power ratings (provisional, from alpha board): | 500mA, (2.5 Watt) | 700mA, (3.5 Watt) |
| Power source: | 5V via Micro USB or GPIO header | |
| Size: | 85.60mm x 53.98mm(3.370 × 2.125 inch) | |
