Raspberry Pi Foundation released a new version of Raspberry Pi single-board computer 4B.
The improvement is really significant. RPi 4B supports 4K video, HEVC.H265 decoding, native gigabit ethernet and also two USB 3.0.
We can say, RPi 4B offers more power and better connectivity for the same price as Raspberry Pi 3B Plus.
You can buy RPi 4B with 3 models which are different by amount of RAM - 1 GB for 34 £, 2 GB for 44 £ and 4GB for 54 £.
RPi4B has a new processor which was made by 28 nm technology instead of 40 nm. The cooling system was improved in previous version so we can assume the ability of cooling will be the same (or better) so the temperature can be lower of will be similar due to increasing of power - USB 3.0, gigabit ethernet, 4K video, H.265 deconding.
The RPi 4B is able to enable two screens, but in this case, the 4K is not working. You have to decrease the resolution of screens.
There are 4 USBs - two of them are USB 2.0 and other two are USB 3.0. The power connector is USB Type C instead of MicroUSB, because the USB Type C is enable to delivery more power.
RPi 4B is supporting PoE by PoE HAT, it is the same case like 3B Plus.
Specification: Proccesor
Broadcom BCM2711
1.5 GHz quad-core ARM Cortex-A72
ARM v8
64-bit SoC Memory
LPDDR4
1 GB / 2 GB / 4 GB Connectivity
2,4GHz a 5GHz IEEE 802.11.b/g/n/ac Wi-Fi
Bluetooth 5.0 (BLE)
Gigabit Ethernet (1000 Mbit/s)
2 × USB 2.0 connector
2 × USB 3.0 connector GPIO
GPIO header with 40 pins (compatible with previous versions) Sound and screen 2 × micro HDMI connector (up to 4Kp60)
MIPI DSI connector for display
MIPI CSI connector for camera
3,5mm jack - sound output and composite video(PAL and NTSC) Multimedia
H.265 (4Kp60 deconding)
H.264 (1080p60 decoding, 1080p30 coding)
OpenGL ES, 3.0 graphic Operating system Micro SD slot (without push system) for operating system
Operating system: Raspbian
Power Supply
5V DC through USB-C konektor (3A minimum)
5V DC through GPIO header (3A minimum)
PoE - PoE HAT is needed
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