General Description
    Orange Pi 4B is an open-source single-board computer with dual-band wireless WiFi and Bluetooth 5.0 .It is highly compact with a dimension of 91X55.7mm.

Features

General Parameters

尺Dimension	91mmL*56mmW*17mmH
连Connection Mode	Board To Board
CPU	Rockchip RK3399 Dual-core Cortex-A72 (large core) + Quad-core Cortex-A53 (small core)
GPU	Mali-T864
Memory	4GB LPDDR4
Storage	EMMC 5.1 16GB EMMC support 16GB/32G/64G/128G
Power Management	RK808
Supply Voltage	5.0V 3A
Operating System	Android 8.1、Ubuntu16.04、Ubuntu18.04、Debian9
Operating Temperature	-10°C to +75°C

Absolute Maximum Ratings

Electrical Characteristics

Functional Block Diagram

CPU	• Rockchip RK3399 (28nm HKMG process)
	• 6-core ARM® 64-bit processor ,main frequency speeds up to 1.8GHz
	• Based on the large and small size core architecture of big.LITTLE :
	• Dual-core Cortex-A72 (large core) + Quad-core Cortex-A53 (small core)
GPU	• Mali-T864 GPU
	• Supports OpenGL ES1.1/2.0/3.0/3.1, OpenVG1.1,OpenCL, DX11, support AFBC
NPU	• SPR2801S, adopt MPE and APiM unique AI architecture
	• Typical calculation power 2.8Tops, with 9.3Tops/W ultra high performance
Memory+Onboard Storage	Dual 4GB LPDDR4 + 16GB EMMC flash
Onboard WiFi+Bluetooth	AP6256, IEEE 802.11 a/b/g/n/ac, BT5.0
Network	10/100/1000Mbps Ethernet ( Realtek RTL8211E )
Audio	• Output: 3.5mm Jack and HDMI2.0a
	• Input: MIC
Video Outputs	• 1 x HDMI 2.0 ( Type-A ), Supports 4K@60fps output
	• 1 x DP 1.2 (Display Port) , Supports 4K@60fps output
	• Supports Dual MIPI-DSI （4 lines per channel）
Camera	2 x MIPI-CSI(MIPI_RX0、MIPI_TX1/RX1)
USB	2 x USB2.0 HOST，1 x USB3.0 Type-C
RTC	Support RTC, on-board battery backup interface
Debug UART	3pins Debug UART
GPIO	• GPIO1 40 pins（1 x I2S、2 x I2C、1 x SPI/UART、8 x GPIO）
	• GPIO2 24pin PCIE port
Key	Upgrade Key & Reset Key
Power Source	DC 5V/3A， TYPE-C 5V/3A
LED	Power led & Status led
OS Support	Android 8.1、Ubuntu 16.04、Ubuntu 18.04、Debian 9
PCB	8 Layer
Dimension	91mm*55.7mm

Interface Description

Functional Pin Description

Key IC
    Rockchip RK3399


Appearance And Structure