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自动选题[tech]: 20211118 Raspberry Pi 3 vs 4: Which One Should You Get?
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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: " "
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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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