1. Completely upgraded, re-engineered ,faster, more powerful.
Kept all software backwards-compatible, so what you create on a Raspberry Pi 4 will work on
any older models you own too.
2.Dual displays 4K output
You can run two monitors at once — and in 4K
3. More RAM memory.
1GB, 2GB or 4GB for your choice (please confirm which one you need when order)
4. Two USB 3 ports
Can transfer data up to ten times faster.
Specification
Main 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) |