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Differences Between Raspberry 4 Model B & Raspberry Pi 3 B+
| Spec | Raspberry Pi 4 B | Raspberry Pi 3 B+ |
| CPU | 1.5-GHz, Quad-Core Broadcom BCM2711B0 (Cortex A-72) | 1.4-GHz, Quad Core Broadcom BCM2837B0 (Cortex A-53) |
| RAM | 1 - 4GB DDR4 | 1GB DDR2 |
| GPU | 400 MHz VideoCore IV | 500 MHz VideoCore VI |
| Video Out | dual micro HD-MI ports | single HD-MI port |
| Max resolution | 4K 60 Hz + 1080p or 2x 4K 30 Hz | 2560 x 1600 |
| USB Ports | 2x USB 3.0 / 2x USB 2.0 | 4x USB 2.0 |
| Wired Networking | Gigabit Ethernet | 330 Mbps Ethernet |
| Wireless | 802.11ac (2.4 / 5 GHz), Bluetooth 5.0 | 802.11ac (2.4 / 5 GHz), Bluetooth 4.1 |
| Charging Port | USB Type-C | micro USB |
| Power Requirement | 3A, 5V | 2.5A, 5V |
| Size | 3.5 x 2.3 x 0.76 inches (88 x 58 x 19.5mm) | 3.2 x 2.2 x 0.76 inches (82 x 56 x 19.5mm) |
| Weight | 0.1 pounds (46 grams) | 0.11 pounds (50 grams) |






What can we do?
As an ISO9001, ISO13485 and ISO16949 Certificated One-Turnkey PCBA Factory, we provide more than electronic components, we provide PCBA --- One Turnkey Service from PCB fabrication to PCB Assembly, also include global Electronic Components sourcing service. for the Automotive, Industrial, Medical, Aerospace, and Military Industries, with all types of electronic components from all types of manufacturers such as NXP, STMicro, TI, Realtek, Intel, Cypress, Renesas, Micron, Xilinx, Kemet, Murata, AVX, Vishay, Samsung, TE, Molex, ITT, Amphenol, and thousands of other top manufacturers.

Application of integrated circuit in modern life
With the continuous development and progress of human society, a variety of high and new technologies came into being. As a new technology in the 1960s, integrated circuits were born, and have benefited mankind, and have been well developed. In today's information age, information technology has penetrated into all fields of the national economy, and people everywhere feel the convenience and speed brought by information technology in their daily life. Information technology is based on microelectronics technology, and integrated circuit (IC) is the core of microelectronics technology and the fundamental foundation of the entire information industry and information society. The integrated circuit has an indispensable position in modern life, and it has been closely connected with our daily life.




We have ISO13485, ISO9001 certificates, and the household packaging sector in Germany and France.

In terms of transportation, we have many modes of transportation, including air transportation, water transportation and land transportation. The official express of cooperation include: DHL, UPS, Fedex, etc;

Quality First, Customer Utmost!
Let our customers get the best quality and best service is our service tenet. We have been trying to win the recognition and trust of each of our customers.
New products from manufacturers at wholesale prices