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Merge pull request #23861 from wxy/20211118-Raspberry-Pi-3-vs-4--Which-One-Should-You-Get
TSL&PRF:sources/tech/20211118 Raspberry Pi 3 vs 4- Which One Should You Get.md
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[#]: subject: "Raspberry Pi 3 vs 4: Which One Should You Get?"
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[#]: via: "https://itsfoss.com/raspberry-pi-3-vs-4/"
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[#]: author: "Ankush Das https://itsfoss.com/author/ankush/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Raspberry Pi 3 vs 4: Which One Should You Get?
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======
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Raspberry Pi is an inexpensive single-board computer useful for many things. And, until Raspberry Pi 4, it was not an impressive option as a quick desktop replacement.
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So, yes, Raspberry Pi 4 changed the game with its new capabilities. But, how does it compare to Raspberry Pi 3?
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Is Raspberry Pi 3 still worth considering? Or, should you go for the latest and greatest Raspberry Pi 4?
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In this article, we try to get you some answers to that by highlighting some key differences between the two.
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First, let us look at the specifications both offer.
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### Raspberry Pi 3 specifications
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![][1]
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Raspberry Pi 3 checks all the boxes for a basic starter DIY project. If [Raspberry Pi Zero or Raspberry Pi Zero W][2] does not suit your requirements, Raspberry Pi 3 is a sweet spot without spending a lot.
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* Quad Core 1.2GHz Broadcom BCM2837 64bit CPU
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* 1GB RAM
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* Wireless LAN and Bluetooth Low Energy (BLE)
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* Ethernet
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* 40-pin extended GPIO
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* 4 x USB 2 ports
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* 4 Pole stereo output and composite video port
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* Full size HDMI
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* CSI camera port
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* DSI display port
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* Micro SD port for operating system and storing data
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* Upgraded switched Micro USB power source up to 2.5A
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### Raspberry Pi 4 Specifications
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![][3]
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* Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
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* 2 GB, 4 GB or 8 GB LPDDR4-3200
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* 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
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* Gigabit Ethernet
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* 2 x USB 3.0 ports
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* 2 x USB 2.0 ports.
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* 40 pin GPIO header (backwards compatible)
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* 2 × micro-HDMI ports (up to 4kp60 supported)
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* 2-lane MIPI DSI display port
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* 2-lane MIPI CSI camera port
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* 4-pole stereo audio and composite video port
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* H.265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)
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* OpenGL ES 3.1, Vulkan 1.0
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* Micro-SD card slot for operating system and storing data
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* 5V DC via USB-C connector
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* 5V DC via GPIO header
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* Power over Ethernet
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### Memory (RAM) options
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With Raspberry Pi models, usually, you get a single product lineup including 1 or 2 GB of RAM.
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And, that is the case with Raspberry Pi 3 B+. If you do not need more memory, Raspberry Pi 3 can prove to be a decent solution for all the usual DIY projects you used it with.
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However, with Raspberry Pi 4, you get the choices of a 2 GB, 4 GB, and 8 GB variant. So, if you want to get more things done, or achieve multiple tasks on your Raspberry Pi board, the Raspberry Pi 4 should be a great option.
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### Performance differences
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Even though both the boards feature chips from Broadcom, Raspberry Pi 4 offers significantly faster performance.
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If you want to use it as your mini-desktop replacement or want better computing power for your tasks, Raspberry Pi 4 will be the obvious pick.
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When it comes to Raspberry Pi 3, it packs in a Quad-Core 1.2GHz Broadcom BCM2837 64-bit CPU. It is a capable chip for a variety of tasks.
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#### Connectivity capabilities
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Both the Raspberry Pi boards provide a 40-pin extended GPIO header.
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However, when it comes to USB connectivity, Raspberry Pi 4 provides two USB 3.0 ports along with two more USB 2 ports. And, the Raspberry Pi 3 limits to two USB 2 ports.
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So, if you require faster data transfer speeds, USB 3.0 ports should be of help. For instance, if you are going to use any [media server software][4], this could come in handy.
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In addition to this, there’s also the presence of USB-C on Raspberry Pi 4 which can be used to power up (5V DC) the board if the USB accessories need it.
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#### Dual-Monitor & camera support
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While the Raspberry Pi 3 offers a full-size HDMI port, DSI port, and CSI port, it does not feature dual-monitor support.
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With Raspberry Pi 4, you get two micro-HDMI ports, a two-lane DSI port, and a two-lane CSI camera port.
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#### Awesome Raspberry Pi Projects to Check Out
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25 Raspberry Pi projects anyone can follow!
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[Raspberry Pi Projects][5]
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### Which one should you get?
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**Specifications** | **Raspberry Pi 3** | **Raspberry Pi 4**
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---|---|---
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**Processor** | Quad-Core 1.2GHz Broadcom BCM2837 | Quad-Core 1.5 GHz Broadcom BCM2711
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**RAM** | 1 GB | Up to 8 GB
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**Bluetooth** | BLE | Bluetooth 5.0
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**USB Ports** | 4 x USB 2.0 | 2 x USB 3.0
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2 x USB 2.0
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**Wireless Connectivity** | Yes | Yes, 2.4 GHz & 5 GHz band support
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**Display Ports** | 1 x HDMI
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1 x DSI | 2 x micro-HDMI
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1 x DSI
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**Power Supply** | microUSB & GPIO up to 2.5 A | 5V DC via USB-C and GPIO (3 A)
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**MicroSD Slot** | Yes | Yes
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**Price** | $35 | $35 (1 GB RAM), $45 (2 GB RAM), $55 (4 GB RAM), $75 (8 GB RAM)
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Raspberry Pi 4 is an excellent choice if you want faster data transfer, dual-monitor support, and better performance.
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Considering the price for a Raspberry Pi 4 base variant with 2 GB RAM costs about $35. It just does not make sense to opt for the 1 GB Raspberry Pi 3 model at nearly the same price.
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Of course, unless you get a cheaper deal and have a specific requirement. Raspberry Pi 4 is a clear choice overall.
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However, there are a few things like board heating and other potential issues that you may want to explore before deciding. Raspberry Pi 3 has proven to work with many projects and Raspberry Pi 4 is fairly new that may not have been tested with various projects.
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Once you’re sure about this, you can proceed to get any of them.
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What do you prefer to use? Have you tried both? Let us know in the comments below.
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/raspberry-pi-3-vs-4/
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作者：[Ankush Das][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/ankush/
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[b]: https://github.com/lujun9972
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[1]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2021/11/raspberry-pi-3.jpg?resize=800%2C534&ssl=1
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[2]: https://itsfoss.com/raspberry-pi-zero-vs-zero-w/
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[3]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2021/09/raspberry-pi-4.jpg?resize=583%2C340&ssl=1
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[4]: https://itsfoss.com/best-linux-media-server/
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[5]: https://itsfoss.com/raspberry-pi-projects/
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@ -0,0 +1,141 @@
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[#]: subject: "Raspberry Pi 3 vs 4: Which One Should You Get?"
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[#]: via: "https://itsfoss.com/raspberry-pi-3-vs-4/"
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[#]: author: "Ankush Das https://itsfoss.com/author/ankush/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: "wxy"
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[#]: publisher: " "
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[#]: url: " "
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树莓派 3 还是 4：你应该买哪一个？
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======
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树莓派是一种物美价廉的单板计算机，在很多场景都很有用。不过，在树莓派 4 之前，它作为快速的桌面替代品并不是一个特别合适的选择。
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所以，树莓派 4 以其新的功能改变了游戏规则。但是，它与树莓派 3 相比如何？
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树莓派 3 仍然值得考虑吗？或者，你应该去买最新和更强大的树莓派 4？
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在这篇文章中，我们试图通过强调两者之间的一些关键差异来为你提供一些答案。
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首先，让我们看一下两者提供的规格：
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### 树莓派 3 的规格
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![][1]
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树莓派 3 满足了一个基本入门 DIY 项目的所有要求。如果 [树莓派 Zero 或 树莓派 Zero W][2] 不符合你的要求，那么树莓派 3 是一个物美价廉的选择：
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* 四核 1.2GHz 博通 BCM2837 64 位 CPU
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* 1GB 内存
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* 无线局域网和低功耗蓝牙（BLE）
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* 以太网
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* 40 针扩展 GPIO
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* 4 个 USB 2 端口
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* 4 极立体声输出和复合视频端口
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* 全尺寸的 HDMI
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* CSI 摄像机端口
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* DSI 显示端口
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* 用于操作系统和存储数据的微型 SD 端口
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* 升级后的开关式微型 USB 电源，最高可达 2.5A 电流
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### 树莓派 4 的规格
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![][3]
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* 博通 BCM2711，四核 Cortex-A72（ARM v8）64 位 SoC @ 1.5GHz
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* 2GB、4GB 或 8GB LPDDR4-3200
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* 2.4 GHz 和 5.0 GHz IEEE 802.11ac 无线，蓝牙 5.0，BLE
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* 千兆位以太网
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* 2 个 USB 3.0 端口
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* 2 个 USB 2.0 端口
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* 40 针 GPIO 接头（向后兼容）
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* 2 个微型 HDMI 端口（最多可支持 4kp60）
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* 2 线 MIPI DSI 显示端口
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* 2 线 MIPI CSI 摄像头端口
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* 4 极立体声音频和复合视频端口
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* H.265（4kp60 解码），H264（1080p60 解码，1080p30 编码）
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* OpenGL ES 3.1，Vulkan 1.0
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* 用于操作系统和存储数据的 MicroSD 卡插槽
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* 通过 USB-C 接口的 5V 直流电
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* 通过 GPIO 接头的 5V 直流电
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* 通过以太网供电
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### 内存（RAM）选项
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对于树莓派机型，通常情况下，你会得到一个包括 1 或 2GB 内存的单一产品阵容。
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树莓派 3B+ 就是这种情况。如果你不需要更多的内存，树莓派 3 可以就是一个不错的解决方案，可以满足所有常规 DIY 项目的需求。
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然而，对于树莓派 4，你可以选择 2GB、4GB 和 8GB 的版本。所以，如果你想完成更多的事情，或者在你的树莓派板上实现多个任务，树莓派 4 应该是一个不错的选择。
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### 性能差异
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尽管这两块板子都采用了博通公司的芯片，但树莓派 4 的性能明显更快。
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如果你想把它作为你的迷你桌面的替代品，或者想为你的任务获得更好的计算能力，树莓派 4 将是明显的选择。
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说到树莓派 3，它配备了一个四核 1.2GHz 的博通 BCM2837 64 位 CPU。它是一个能够完成各种任务的芯片。
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#### 连接能力
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两块树莓派板都提供了一个 40 针的扩展 GPIO 接头。
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然而，说到 USB 连接时，树莓派 4 提供了两个 USB 3.0 端口以及另外两个 USB 2 端口。而树莓派 3 只限于两个 USB 2 端口。
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因此，如果你需要更快的数据传输速度，USB 3.0 端口应该会有帮助。例如，如果你要使用任何 [媒体服务器软件][4]，这可以派上用场。
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除此之外，树莓派 4 上还有 USB-C 的存在，如果 USB 配件需要，它可以用来给电路板供电（5V DC）。
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#### 双显示器与相机支持
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虽然树莓派 3 提供了一个全尺寸的 HDMI 端口、DSI 端口和 CS 端口，但它并不具有双显示器支持。
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有了树莓派 4，你可以得到两个微型 HDMI 端口，一个双通道 DSI 端口和一个双通道 CSI 摄像头端口。
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### 你应该买哪一个？
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规格 | 树莓派 3 | 树莓派 4
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---|---|---
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**处理器** | 四核 1.2GHz 博通 BCM2837 | 四核 1.5GHz 博通BCM2711
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**RAM** | 1 GB | 高达 8 GB
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**蓝牙** | BLE | 蓝牙 5.0
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**USB端口** | 4 x USB 2.0 | 2 x USB 3.0，2 x USB 2.0
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**无线连接** | 是 | 是，2.4 GHz & 5 GHz 频段支持
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**显示端口** | 1 x HDMI，1 x DSI | 2 x micro-HDMI，1 个 DSI
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**电源** | microUSB 和 GPIO，高达 2.5 A | 5V DC，通过 USB-C 和GPIO（3 A）
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**MicroSD 插槽** | 是 | 是
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**价格** | 35 美元 | 35 美元（1 GB 内存）、45 美元（2 GB 内存）、55 美元（4 GB 内存）、75 美元（8 GB 内存）
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如果你想要更快的数据传输，支持双显示器，以及更好的性能，树莓派 4 是一个很好的选择。
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考虑到 2GB 内存的树莓派 4 基本型号的价格约为 35 美元。以几乎相同的价格选择 1GB 的树莓派 3 型号，实在是毫无意义。
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当然，除非你能得到一个更便宜的价格，并且有特定的要求。树莓派 4 总体上是一个明确的选择。
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然而，有一些事情，如板子发热和其他潜在的问题，你可能想在决定之前探讨一下。树莓派 3 已被证明能在许多项目中发挥作用，而树莓派 4 是相当新的，可能还没有经过各种项目的测试。
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一旦你确定了这一点，你就可以继续得到它们中的任何一个。
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你喜欢用什么？你都试过了吗？请在下面的评论中告诉我们。
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/raspberry-pi-3-vs-4/
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作者：[Ankush Das][a]
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选题：[lujun9972][b]
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译者：[wxy](https://github.com/wxy)
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校对：[wxy](https://github.com/wxy)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/ankush/
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[b]: https://github.com/lujun9972
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[1]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2021/11/raspberry-pi-3.jpg?resize=800%2C534&ssl=1
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[2]: https://itsfoss.com/raspberry-pi-zero-vs-zero-w/
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[3]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2021/09/raspberry-pi-4.jpg?resize=583%2C340&ssl=1
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[4]: https://itsfoss.com/best-linux-media-server/
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[5]: https://itsfoss.com/raspberry-pi-projects/
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