For quick and simple understanding, let's compare these boards' features::
| Content | Tinkerboard S | BeagleBone Black | Raspberry pi 4 |
| Processor | Rockchip Quad-Core RK3288 processor | Sitara AM3358BZCZ100 1 GHz |
Broadcom BCM2711, Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz |
| Memory | 2 GB Dual Channel DDR3 | SD RAM of 512 MB DDR3L 800MHZ and 4 GB FLASH—8-bit Embedded MMC | 1 GB, 2 GB or 4 GB LPDDR4-3200 SDRAM |
| Connectivity | 4 x USB 2.0, RTL GB LAN, 802.11 b/g/n, Bluetooth V4.0 + EDR | 1 x USB 2.0, 10/100 Mbit-RJ45 | 2 x USB 3.0 ports, 2 x USB 2.0 ports, Gigabit Ethernet, 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE |
| GPIO | Up to 28 GPIOs | Up to 69 GPIOs | Up to 28 GPIOs |
| SD card support | Yes | Yes | Yes |
Comparison of preceding SBC boards
Now, let's look at a few popular GPU boards.