Raspberry Pi Raspberry Pi 3 Model B vs Raspberry Pi Raspberry Pi 400

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Raspberry Pi 3 Model B compared with Raspberry Pi 400

	Raspberry PiRaspberry Pi 3 Model B	Raspberry PiRaspberry Pi 400
Overview
Released
Released	February 2016	November 2020
Performance
Processor
Processor	Broadcom BCM2837 (Arm Cortex-A53)	Broadcom BCM2711 (Arm Cortex-A72)
CPU cores
CPU cores	4	4
Clock
Clock	1.2 GHz	1.8 GHz (better)
Memory
Memory	1 GB	4 GB (better)
CPU
CPU	Quad-core 64-bit Arm Cortex-A53 at 1.2GHz; BCM2837 on revision 1.1 boards, BCM2837B0 on revision 1.2	Quad-core Cortex-A72 (Arm v8) 64-bit SoC at 1.8GHz
GPU
GPU	VideoCore IV; VideoCore subsystem at 400MHz and 3D core at 300MHz	VideoCore VI; OpenGL ES 3.0; H.265 4Kp60 decode, H.264 1080p60 decode and 1080p30 encode
Memory
Memory	1GB	4GB LPDDR4-3200
Storage
Storage	microSD card slot	microSD card slot
Connections
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
Ethernet
Ethernet	Yes	Yes
USB ports
USB ports	4 (better)	3
Display outputs
Display outputs	1	2 (better)
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	2 × USB 3.0, 1 × USB 2.0, Gigabit Ethernet, 2 × micro HDMI, USB-C power
Displays
Displays	1 × full-size HDMI	2 × micro HDMI, up to 4Kp60
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	2.4GHz 802.11n Wi-Fi (35Mb/s); Bluetooth 4.1, BLE	2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi; Bluetooth 5.0, BLE
GPIO
GPIO	40-pin header	Horizontal 40-pin header on the back
Camera and display connectors
Camera and display connectors	15-pin CSI camera port; 15-pin DSI display port	–
Design
Size
Size	85 × 56 mm	286 × 122 mm
Power
Power	5V via micro USB; a 2.5A supply is recommended for power-hungry USB devices	5V DC via USB-C
Size
Size	85 × 56 mm board	286 × 122 × 23 mm (maximum); 78-, 79- or 83-key compact keyboard depending on region
Operating temperature
Operating temperature	–	0°C to 50°C