Raspberry Pi Raspberry Pi 1 Model B vs Raspberry Pi Raspberry Pi 400

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Raspberry Pi 1 Model B compared with Raspberry Pi 400

	Raspberry PiRaspberry Pi 1 Model B	Raspberry PiRaspberry Pi 400
Overview
Released
Released	February 2012	November 2020
Performance
Processor
Processor	Broadcom BCM2835 (Arm1176JZF-S)	Broadcom BCM2711 (Arm Cortex-A72)
CPU cores
CPU cores	1	4 (better)
Clock
Clock	0.7 GHz	1.8 GHz (better)
Memory
Memory	256 MB – 512 MB	4 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 Cortex-A72 (Arm v8) 64-bit SoC at 1.8GHz
GPU
GPU	VideoCore IV	VideoCore VI; OpenGL ES 3.0; H.265 4Kp60 decode, H.264 1080p60 decode and 1080p30 encode
Memory
Memory	256MB at launch; 512MB on all Model B boards from 15 October 2012, at the same price	4GB LPDDR4-3200
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	3 (better)
Display outputs
Display outputs	1	2 (better)
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	2 × USB 3.0, 1 × USB 2.0, Gigabit Ethernet, 2 × micro HDMI, USB-C power
Displays
Displays	HDMI and RCA composite video	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
GPIO
GPIO	26-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	–	286 × 122 mm
Power
Power	Micro USB	5V DC via USB-C
Size
Size	–	286 × 122 × 23 mm (maximum); 78-, 79- or 83-key compact keyboard depending on region
Operating temperature
Operating temperature	–	0°C to 50°C