La description
Real Price and Real Srock of Raspberry Pi 4 Model 4B in China
| 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 |
| 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), BT 5.0 | 802.11ac (2.4 / 5 GHz), BT 4.1 |
| Charging Port | USB Type-C | micro USB |
| Power Requirement | 3UN, 5V | 2.5UN, 5V |
| Taille | 3.5 x 2.3 x 0.76 inches | 3.2 x 2.2 x 0.76 inches Weight |
| 0.1 pounds (46 grams) | 0.11 pounds (50 grams) |
