Raspberry Pi Raspberry Pi 1 Model B vs Raspberry Pi Raspberry Pi 3 Model B

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Raspberry Pi 1 Model B compared with Raspberry Pi 3 Model B

	Raspberry PiRaspberry Pi 1 Model B	Raspberry PiRaspberry Pi 3 Model B
Overview
Released
Released	February 2012	February 2016
Performance
Processor
Processor	Broadcom BCM2835 (Arm1176JZF-S)	Broadcom BCM2837 (Arm Cortex-A53)
CPU cores
CPU cores	1	4 (better)
Clock
Clock	0.7 GHz	1.2 GHz (better)
Memory
Memory	256 MB – 512 MB	1 GB (better)
CPU
CPU	Single-core ARM1176JZF-S at 700MHz; "turbo mode" overclocking to up to 1GHz without voiding the warranty from September 2012	Quad-core 64-bit Arm Cortex-A53 at 1.2GHz; BCM2837 on revision 1.1 boards, BCM2837B0 on revision 1.2
GPU
GPU	VideoCore IV	VideoCore IV; VideoCore subsystem at 400MHz and 3D core at 300MHz
Memory
Memory	256MB at launch; 512MB on all Model B boards from 15 October 2012, at the same price	1GB
Storage
Storage	SD card slot	microSD card slot
Connections
Wi-Fi
Wi-Fi	No	Yes
Bluetooth
Bluetooth	No	Yes
Ethernet
Ethernet	Yes	Yes
USB ports
USB ports	2	4 (better)
Display outputs
Display outputs	1	1
GPIO pins
GPIO pins	26	40
PCIe
PCIe	No	No
Ports
Ports	2 × USB 2.0, 100Mb/s Ethernet, HDMI, RCA composite video, 3.5 mm audio jack, micro USB power	4 × USB 2.0, 100Mb/s Ethernet, full-size HDMI, 3.5 mm audio and composite video jack, micro USB power
Displays
Displays	HDMI and RCA composite video	1 × full-size HDMI
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	–	2.4GHz 802.11n Wi-Fi (35Mb/s); Bluetooth 4.1, BLE
GPIO
GPIO	26-pin header	40-pin header
Camera and display connectors
Camera and display connectors	15-pin CSI camera port; 15-pin DSI display port	15-pin CSI camera port; 15-pin DSI display port
Design
Size
Size	–	85 × 56 mm
Power
Power	Micro USB	5V via micro USB; a 2.5A supply is recommended for power-hungry USB devices
Size
Size	–	85 × 56 mm board