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3 months ago
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Radxa recently launched two small fanless PCs designed for use as routers or for other applications where you might want a system with four Gigabit Ethernet ports.
The Radxa E24C is a cheaper, lower-performance model that features a Rockchip RK3528A quad-core processor and support for up to 8GB of RAM, while the Radxa E54C looks nearly identical, but comes with up to 32GB of RAM and has much faster Rockchip RK3582 hexa-core chip. Prices start at $35 for the E24C and $55 for the E54.
Radxa E54CBoth boards feature aluminum cases for passive heat dissipation, but you can also add a fan if you want active cooling. Both support an optional eMMC module for onboard storage, and both also have M.2 2280 connectors for an optional PCIe 2.1 NVMe SSD or other add-ons, as well as a microSD card reader.
In addition to four Gigabit Ethernet ports, both models have three USB Type-A ports, a USB Type-C port, and an HDMI 2.1 port. There’s also a 14-pin header for UART, SPI, I2C, and power connections.
There’s also a DC power jack for a 12V/2A power adapter, a set of status LED lights to indicate power and network status, a user button, and a Maskrom button.
The E24C and E54C both feature ARM-based processor from Rockchip and support for operating systems including Debian, OpenWrt, and other GNU/Linux distros. But there are some big differences between the chips powering each model:
| Radxa E54C | Radxa E24C | |
| Processor | Rockchip RK3582 | Rockchip RK3528A |
| CPU | 2 x Cortex-A76 @ 2.2 GHz 4 x Cortex-A55 @ 1.8 GHz | 4 x Cortex-A53 @ 2 GHz |
| GPU | N/A | Mali-450 |
| NPU | 5 TOPS @ INT8 | N/A |
| RAM | 2GB / 4GB / 8GB / 16GB / 32GB LPDDR4 | 1GB / 2GB / 4GB LPDDR4-2133 |
| Storage | 8GB / 16GB / 32 GB / 64 GB / 128GB eMMC microSD (UHS-I) M.2 2280 PCIe NVMe SSD | 8GB / 16GB /32GB eMMC 5.1 microSD (UHS-I) M.2 2280 PCIe 2.1 NVMe SSD |
| Ethernet | 4 x Gigabit Ethernet (WAN/LAN configurable) RTL8367RB Ethernet switch chip | 4 x Gigabit Ethernet (WAN/LAN configurable) |
| USB | 1 x USB 3.0 Type-C 1 x USB 3.0 Type-A 2 x USB 2.0 Type-A | 1 x USB 2.0 Type-C 3 x USB 3.0 Type-A |
| Video | HDMI 2.1 | |
| Starting price | $55 | $35 |
Note that while the Radxa E54C has a processor that should deliver significantly better CPU performance and which also has an NPU for hardware-accelerated AI features, it lacks a GPU. So if you plan to use that model for video or 3D graphics, it won’t be able to leverage hardware-accelerated graphics.
That may not be too important if you plan to use the E54C as a DIY router, firewall, gateway, firewall, or edge AI device. But it’s certainly an interesting processor choice for a device with an HDMI port for video output.
via LinuxGizmos
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