Raspberry Pi Raspberry Pi 1 Model A+ vs Raspberry Pi Raspberry Pi 4 Model B

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Raspberry Pi 1 Model A+ compared with Raspberry Pi 4 Model B

	Raspberry PiRaspberry Pi 1 Model A+	Raspberry PiRaspberry Pi 4 Model B
Overview
Released
Released	November 2014	June 2019
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	1 GB – 8 GB (better)
CPU
CPU	Single-core ARM1176JZF-S at 700MHz (BCM2835)	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
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 later boards	LPDDR4 with on-die ECC; 1GB, 2GB and 4GB at launch, 8GB added in May 2020 and 3GB in April 2026
Storage
Storage	Push-push microSD card slot	microSD card slot
Connections
Wi-Fi
Wi-Fi	No	Yes
Bluetooth
Bluetooth	No	Yes
Ethernet
Ethernet	No	Yes
USB ports
USB ports	1	4 (better)
Display outputs
Display outputs	1	2 (better)
GPIO pins
GPIO pins	40	40
PCIe
PCIe	No	No
Ports
Ports	1 × USB 2.0, HDMI, 3.5 mm jack for audio and composite video, micro USB power	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
Displays
Displays	HDMI; composite video through the 3.5 mm jack	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	40-pin header	Standard 40-pin header, backwards-compatible with previous boards
Camera and display connectors
Camera and display connectors	15-pin CSI camera port; 15-pin DSI display port	2-lane MIPI CSI camera port; 2-lane MIPI DSI display port
Design
Size
Size	65 × 56 mm	85 × 56 mm
Power
Power	Micro USB	5V DC via USB-C (minimum 3A) or the GPIO header; PoE with separate PoE HAT
Size
Size	65 × 56 mm board, the same footprint as Raspberry Pi 3 Model A+	85 × 56 mm board
Operating temperature
Operating temperature	–	0°C to 50°C