| Dimensions | 85mm x 56mm | 85mm x 56mm | 85mm x 56mm | Module: 65mm x 30mm IOBoard: 105mm x 85mm |
| Chip | Broadcom BCM2835 SoC full HD multimedia applications processor | Broadcom BCM2835 SoC full HD multimedia applications processor | Broadcom BCM2835 SoC full HD multimedia applications processor | Broadcom BCM2835 SoC full HD multimedia applications processor |
| CPU | 700 MHz Low Power ARM1176JZ-F Applications Processor | 700 MHz Low Power ARM1176JZ-F Applications Processor | 700 MHz Low Power ARM1176JZ-F Applications Processor | 700 MHz Low Power ARM1176JZ-F Applications Processor |
| GPU | Dual Core VideoCore IV® Multimedia Co-Processor | Dual Core VideoCore IV® Multimedia Co-Processor | Dual Core VideoCore IV® Multimedia Co-Processor | Dual Core VideoCore IV® Multimedia Co-Processor |
| RAM | 512 MB SDRAM @ 400 MHz | 512 MB SDRAM @ 400 MHz | 256 MB SDRAM @ 400 MHz | 512 MB SDRAM @ 400 MHz |
| Storage | MicroSD | SDCard | SDCard | 4gB eMMC |
| USB 2.0 | 4x USB Ports | 2x USB Ports | 1x USB Port | 1x USB Ports |
| Ethernet | 1x 10/100mb Ethernet RJ45 Jack | 1x 10/100mb Ethernet RJ45 Jack | None | None |
| Video Connections | HDMI, Composite RCA (shared with audio jack) | HDMI, Composite RCA | HDMI, Composite RCA | HDMI |
| Supported Resolutions | 640×350 to 1920×1200, including 1080p, PAL & NTSC standards | 640×350 to 1920×1200, including 1080p, PAL & NTSC standards | 640×350 to 1920×1200, including 1080p, PAL & NTSC standards | 640×350 to 1920×1200, including 1080p, PAL & NTSC standards |
| Audio | Multi-Channel HD Audio over HDMI, Stereo from 3.5 mm jack | Multi-Channel HD Audio over HDMI, Stereo from 3.5 mm jack | Multi-Channel HD Audio over HDMI, Stereo from 3.5 mm jack | Multi-Channel HD Audio over HDMI |
| Operating Systems | Raspbian, RaspBMC, Arch Linux, Risc OS, OpenELEC, Pidora | Raspbian, RaspBMC, Arch Linux, Risc OS, OpenELEC, Pidora | Raspbian, RaspBMC, Arch Linux, Risc OS, OpenELEC, Pidora | Raspbian, RaspBMC, Arch Linux, Risc OS, OpenELEC, Pidora |
| Power Draw / voltage | 600mA up to 1.8A @ 5V | 750mA up to 1.2A @ 5V | 600mA up to 1.2A @ 5V | 600mA up to 1.2A @ 5V |
| GPIO | 40 | 26 | 26 | 120 |
| Other Connectivity | 1x CSI-2 for Raspberry Pi camera modules 1x DSI for Raspberry Pi displays | 1x CSI-2 for Raspberry Pi camera modules 1x DSI for Raspberry Pi displays | 1x CSI-2 for Raspberry Pi camera modules 1x DSI for Raspberry Pi displays | 1x Micro-USB (Programming Only) 2x mini CSI-2 for connecting Camera adapters 2x mini DSI for connecting Display adapters |
| Power Source | 1x Micro-USB | 1x Micro-USB | 1x Micro-USB | 1x Micro-USB |
| Highlights | • Improved power management which improves USB support and allows for high-drain devices such as external USB hard drives. • Larger bank of accessible GPIO ports compared to Model B board allows for direct hardware device control. • Smaller, compact design | • Works well as an introductory educational tool • Suitable for a smaller scale electronics project that requires standard IO ports • Enhances projects with the addition of ethernet connectivity | • Works well as an introductory educational tool • Suitable for a smaller scale electronics project that requires standard IO ports • Minimalistic design assists in pick and choosing devices, helps reduce overall power consumption | • Large bank of accessible GPIO to communicate with devices and the Raspberry Pi • Input and output to/from visual capture devices and displays easily broken out into accessible ports. • IO Board allows for prototyping of a circuit which the module can then integrate into. • Onboard flash allows for fast execution of code without relying on SDCards |
