Raspberry Pi 4 Model B (4GB
RAM) is a high-performance single-board computer with a 1.5GHz quad-core ARM
Cortex-A72 CPU, dual 4K micro-HDMI outputs, and USB 3.0 support. It features
4GB LPDDR4 RAM for smooth multitasking and enhanced performance.
Description
The Raspberry Pi 4 Model B
(4GB) offers significant performance improvements over previous models while
maintaining versatility and affordability. Below are the key specifications and
features of this powerful single-board computer:
Key Features:
Processor:
Powered by a Broadcom BCM2711 SoC with a 64-bit
quad-core ARM Cortex-A72 CPU running at 1.5 GHz.
Memory:
4GB LPDDR4-3200 SDRAM for faster performance and
better multitasking.
USB Ports:
Includes two USB 3.0 ports for fast data
transfer and two USB 2.0 ports for standard peripherals.
Networking:
A Gigabit Ethernet port provides fast and
reliable wired internet access.
Built-in 802.11ac Wi-Fi and Bluetooth 5.0 for
wireless connectivity.
Display:
Dual micro-HDMI outputs, allowing it to drive
two 4K displays at the same time.
Power Supply:
USB-C power supply, requiring 5V/3A.
Storage:
MicroSD card, which acts as the primary storage
for the operating system and data.
GPIO:
40 GPIO pins for external connectivity.
Camera & Display:
Camera serial interface and display serial
interface for connecting compatible devices.
Specifications:
Processor (CPU):
Chipset: Broadcom BCM2711.
Architecture: ARM Cortex-A72 (ARM v8) 64-bit
SoC.
Cores: Quad-core.
Clock Speed: 1.5 GHz.
Memory (RAM):
Capacity: 4GB LPDDR4-3200 SDRAM.
Type: LPDDR4 (high-speed and high-bandwidth
memory).
Graphics (GPU):
GPU: Broadcom VideoCore VI.
Graphics Features: Supports OpenGL ES 3.0, 4Kp60
hardware video decoding.
Video Output: Dual micro HDMI ports.
Maximum Resolution: Supports dual 4Kp30 output
or single 4Kp60 output.
Storage:
MicroSD Card Slot: For OS and file storage.
USB Booting: Supported for booting from external
USB storage devices like SSDs and flash drives.
Networking:
Ethernet: Gigabit Ethernet (1000 Mbps).
Wi-Fi: Dual-band 802.11ac wireless (2.4 GHz and
5 GHz).
Bluetooth: Bluetooth 5.0 with BLE (Bluetooth Low
Energy).
Ports & Connectivity:
USB Ports:
2 x USB 3.0 (high-speed data transfer).
2 x USB 2.0 (for peripherals like keyboards and
mice).
HDMI Ports:
2 x micro HDMI.
Supports dual 4K video output.
Audio/Video:
3.5 mm stereo audio/composite video jack.
Digital audio output through HDMI.
GPIO Header:
40-pin GPIO header (fully backward compatible
with previous models).
Supports I2C, SPI, UART, and other peripheral
connections.
Power Supply:
Power Input: 5V, 3A via USB-C.
Power-over-Ethernet (PoE): Supported via
optional PoE HAT.
Camera & Display Interfaces:
Camera Interface: MIPI CSI camera port for
Raspberry Pi camera modules.
Display Interface: MIPI DSI display port for
Raspberry Pi touch display.
Operating System:
Primary OS: Raspberry Pi OS (formerly Raspbian).
Other Supported OS: Ubuntu, Windows IoT Core,
and other specialized Linux distributions.
Dimensions & Weight:
Size: 85.6 mm × 56.5 mm × 17 mm.
Weight: Approximately 46 grams.
Other Features:
H.265 (4Kp60) Decode: Hardware-accelerated 4K
video decoding.
H.264 (1080p60) Encode: Hardware-accelerated full
HD video encoding and decoding.
Dual Monitor Support: With dual micro HDMI, you
can connect two 4K monitors.
GPIO Compatibility: Backward-compatible GPIO for
connecting sensors, displays, and motors.
