Raspberry Pi Raspberry Pi 4 Model B vs Raspberry Pi Raspberry Pi 400

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Raspberry Pi 4 Model B compared with Raspberry Pi 400

	Raspberry PiRaspberry Pi 4 Model B	Raspberry PiRaspberry Pi 400
Overview
Released
Released	June 2019	November 2020
Performance
Processor
Processor	Broadcom BCM2711 (Arm Cortex-A72)	Broadcom BCM2711 (Arm Cortex-A72)
CPU cores
CPU cores	4	4
Clock
Clock	1.8 GHz	1.8 GHz
Memory
Memory	1 GB – 8 GB (better)	4 GB
CPU
CPU	Quad-core 64-bit Arm Cortex-A72 (Armv8) at 1.8GHz; boards from launch in 2019 ran at 1.5GHz, and 8GB boards and later 2GB and 4GB boards default to 1.8GHz since Raspberry Pi OS Bullseye (November 2021); 1MB L2 cache	Quad-core Cortex-A72 (Arm v8) 64-bit SoC at 1.8GHz
GPU
GPU	VideoCore VI; OpenGL ES 3.0; H.265 4Kp60 decode, H.264 1080p60 decode and 1080p30 encode	VideoCore VI; OpenGL ES 3.0; H.265 4Kp60 decode, H.264 1080p60 decode and 1080p30 encode
Memory
Memory	LPDDR4 with on-die ECC; 1GB, 2GB and 4GB at launch, 8GB added in May 2020 and 3GB in April 2026	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	2	2
GPIO pins
GPIO pins	40	40
PCIe
PCIe	No	No
Ports
Ports	2 × USB 3.0, 2 × USB 2.0, Gigabit Ethernet with PoE support (needs separate PoE HAT), 2 × micro HDMI, 4-pole stereo audio and composite video jack, USB-C power	2 × USB 3.0, 1 × USB 2.0, Gigabit Ethernet, 2 × micro HDMI, USB-C power
Displays
Displays	2 × micro HDMI, up to 4Kp60	2 × micro HDMI, up to 4Kp60
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi; Bluetooth 5.0, BLE	2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi; Bluetooth 5.0, BLE
GPIO
GPIO	Standard 40-pin header, backwards-compatible with previous boards	Horizontal 40-pin header on the back
Camera and display connectors
Camera and display connectors	2-lane MIPI CSI camera port; 2-lane MIPI DSI display port	–
Design
Size
Size	85 × 56 mm	286 × 122 mm
Power
Power	5V DC via USB-C (minimum 3A) or the GPIO header; PoE with separate PoE HAT	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	0°C to 50°C