Raspberry Pi Compute Module 4 vs Raspberry Pi Raspberry Pi 4 Model B

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Compute Module 4 compared with Raspberry Pi 4 Model B

	Raspberry PiCompute Module 4	Raspberry PiRaspberry Pi 4 Model B
Overview
Released
Released	October 2020	June 2019
Performance
Processor
Processor	Broadcom BCM2711 (Arm Cortex-A72)	Broadcom BCM2711 (Arm Cortex-A72)
CPU cores
CPU cores	4	4
Clock
Clock	1.5 GHz	1.8 GHz (better)
Memory
Memory	1 GB – 8 GB	1 GB – 8 GB
CPU
CPU	Quad-core Cortex-A72 (Arm v8) 64-bit SoC at 1.5GHz	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 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	1GB, 2GB, 4GB or 8GB LPDDR4-3200 SDRAM	LPDDR4 with on-die ECC; 1GB, 2GB and 4GB at launch, 8GB added in May 2020 and 3GB in April 2026
Storage
Storage	0GB (Lite), 8GB, 16GB or 32GB eMMC flash (the product brief also lists 64GB); SD card interface on Lite versions	microSD card slot
Connections
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
Ethernet
Ethernet	Yes	Yes
USB ports
USB ports	1	4 (better)
Display outputs
Display outputs	2	2
GPIO pins
GPIO pins	28	40
PCIe
PCIe	Yes	No
Ports
Ports	Through the carrier board - Gigabit Ethernet PHY with IEEE 1588, 1 × USB 2.0 interface, PCIe Gen 2 x1, dual HDMI; two 100-pin high-density connectors	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	Dual HDMI interfaces, up to 4Kp60	2 × micro HDMI, up to 4Kp60
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Optional 2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi and Bluetooth 5.0, BLE, with onboard and external antenna options	2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi; Bluetooth 5.0, BLE
GPIO
GPIO	28 GPIO signals	Standard 40-pin header, backwards-compatible with previous boards
Camera and display connectors
Camera and display connectors	2-lane and 4-lane MIPI DSI display interfaces; 2-lane and 4-lane MIPI CSI camera interfaces	2-lane MIPI CSI camera port; 2-lane MIPI DSI display port
Design
Size
Size	55 × 40 mm	85 × 56 mm
Power
Power	5V DC	5V DC via USB-C (minimum 3A) or the GPIO header; PoE with separate PoE HAT
Size
Size	55 × 40 mm module	85 × 56 mm board
Operating temperature
Operating temperature	−20°C to +85°C; −40°C to +85°C for extended temperature range versions	0°C to 50°C