| 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 HDMI ports | single HDMI 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) |
MOYA has a wide and unobstructed channel for supply source, and reserves a large number of electronic components inventory including all categories of products as optical devices, embedded systems, semiconductors, circuit protection components, passive components, connectors, sensors, etc. The products are widely used in many fields of power, network , communication, industrial control, automotive, military, instrument&meter, financial equipment, industrial control, computer interface devices, consumer electronics and others. Our distribution brands include MICROCHIP,ADI,ST,BROADCOM,FREESCALE,TI,ALTERA,XILINX, etc.