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Raspberry Pis

The small single-board computer that's ideal for fun projects and tinkering

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

This is a side-by-side comparison of the specs of the 1 Model A+ vs. the 4 Model B. Differences are highlighted in yellow.
Item 1 Model A+ 4 Model B
Item image Item image
Number of USB ports 1 [x] 5 [x]
CPU ARM1176JZF-S [x] Cortex-A72 (ARM v8) 64-bit [x]
Release year 2014 [x] 2019 [x]
Wi-Fi? No [x] Yes [x]
Weight 0.023kg [x] 0.045kg [x]
Graphics VideoCore IV [x] VideoCore VI [x]
Power interface GPIO [x] / MicroUSB [x] USB-C [x]
HDMI form factor Full-size [x] Micro [x]
GPIO layout 40 pin [x] 40 pin [x]
Ethernet speed 1000Mbit/s [x]
SD card form factor MicroSD [x] MicroSD [x]
Graphics resolution 1080p [x] 2160p [x]
CPU architecture 32bit [x] 64bit [x]
Graphics FPS 30FPS [x] 60FPS [x]
Price at launch $20 [x] $35 [x]
Height 6.5cm [x] 8.5cm [x]
RAM 0.25GB [x] 8GB [x] / 4GB [x] / 2GB [x] / 1GB [x]
Power draw under load 0.9W [x] 7.6W [x]
Width 5.65cm [x] 5.6cm [x]
Bluetooth version 5 [x]
Number of USB A ports 4 [x]
Number of cores 1 [x] 4 [x]
Power draw at idle 0.7W [x] 3.4W [x]
Power recommendation 0.7A [x] 3A [x]
Number of HDMI ports 1 [x] 2 [x]
Number of USB 3.0 ports 2 [x]
Number of USB 2.0 ports 1 [x] 2 [x]
Number of graphics outputs 1 [x] 2 [x]
Depth 1cm [x] 1.7cm [x]
CPU clock speed 0.7GHz [x] 1.5GHz [x]
Number of USB C ports 1 [x]
I2C? Yes [x] Yes [x]
Camera? Yes [x] Yes [x]
LCD panel Yes [x] Yes [x]
SPI? Yes [x] Yes [x]
Power over ethernet? No [x] Yes [x]
BLE? Yes [x]
Bluetooth? No [x] Yes [x]
Ethernet? No [x] Yes [x]
HDMI? Yes [x] Yes [x]
USB ports form factor A [x] C [x] / A [x]
SOC Broadcom BCM2835 [x] Broadcom BCM2711 [x]
Wi-Fi standard 802.11ac [x] / 802.11n [x] / 802.11g [x] / 802.11b [x]
Analogue audio output 3.5mm composite [x] 3.5mm composite [x]
Analogue video output 3.5mm composite [x] 3.5mm composite [x]
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