Raspberry Pi Raspberry Pi 3 Model B vs Raspberry Pi Zero

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Raspberry Pi 3 Model B compared with Zero

	Raspberry PiRaspberry Pi 3 Model B	Raspberry PiZero
Overview
Released
Released	February 2016	November 2015
Performance
Processor
Processor	Broadcom BCM2837 (Arm Cortex-A53)	Broadcom BCM2835 (Arm1176JZF-S)
CPU cores
CPU cores	4 (better)	1
Clock
Clock	1.2 GHz (better)	1 GHz
Memory
Memory	1 GB (better)	512 MB
CPU
CPU	Quad-core 64-bit Arm Cortex-A53 at 1.2GHz; BCM2837 on revision 1.1 boards, BCM2837B0 on revision 1.2	Single-core ARM11 (ARM1176JZF-S) at 1GHz
GPU
GPU	VideoCore IV; VideoCore subsystem at 400MHz and 3D core at 300MHz	VideoCore IV
Memory
Memory	1GB	512MB LPDDR2 SDRAM
Storage
Storage	microSD card slot	microSD card slot
Connections
Wi-Fi
Wi-Fi	Yes	No
Bluetooth
Bluetooth	Yes	No
Ethernet
Ethernet	Yes	No
USB ports
USB ports	4 (better)	1
Display outputs
Display outputs	1	1
GPIO pins
GPIO pins	40	40
PCIe
PCIe	No	No
Ports
Ports	4 × USB 2.0, 100Mb/s Ethernet, full-size HDMI, 3.5 mm audio and composite video jack, micro USB power	Micro USB On-The-Go data port, micro USB power, mini HDMI; unpopulated composite video header
Displays
Displays	1 × full-size HDMI	Mini HDMI up to 1080p60; composite video header
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	2.4GHz 802.11n Wi-Fi (35Mb/s); Bluetooth 4.1, BLE	–
GPIO
GPIO	40-pin header	Unpopulated 40-pin header, same pinout as Model A+, B+ and 2B
Camera and display connectors
Camera and display connectors	15-pin CSI camera port; 15-pin DSI display port	Mini 22-pin CSI camera connector from version 1.3 onwards
Design
Size
Size	85 × 56 mm	65 × 30 mm
Power
Power	5V via micro USB; a 2.5A supply is recommended for power-hungry USB devices	Micro USB
Size
Size	85 × 56 mm board	65 × 30 × 5 mm