Raspberry Pi 3B + unpacking and detailed introduction
1. Main configuration
The main improvements relative to 3B are:
1.CPU主频由1.2Ghz提升到1.4Ghz
2.整机的散热更好
3.WIFI支持2.4Ghz和5Ghz双频，连接稳定性更好
4.支持低功耗蓝牙4.2
5.以太网支持POE,并且传输速度更快
2. Is the previous tutorial applicable to 3B+?
Because 3B+ has a lower system support than 3B, it currently only supports the official system and the 64-bit system launched by our official account. Therefore, some tutorials in the past that need to install other systems, such as the tutorial 3B+ for making game consoles, cannot be completed, but Most of the tutorials are completely applicable.
Special attention: Our official account has pushed two official systems for everyone. Please use the new system for Raspberry Pi 3B+ and reply to "Raspberry Pi New System" to get it. The old version system 3B+ is not applicable.
3. How to choose?
If you are a novice who wants to play more interesting projects and don't want to spend too much money, you can choose 3B. If the project you want to do has higher performance requirements, you can choose 3B+, but the 4B 2G version is now recommended. The tutorial also supports it! !
4. Performance comparison with 3B
1. Single-threaded performance test
(The picture above is 3B, the picture below is 3B+, the same below)
2. Multi-threaded test
3. Mutex lock test
4. Thread test
