Compare boards
Up to four boards side by side: chip, logic, toolchains, interfaces and price.
| Attribute | Tang Nano 9K | Tang Nano 20K | Nexys A7 |
|---|---|---|---|
| FPGA | GW1NR-LV9QN88PC6/I5 | GW2AR-LV18QN88C8/I7 | XC7A100T-1CSG324C |
| Family | GW1NR | GW2AR | Artix-7 |
| Logic (LUTs) | 8640 | 20736 | not listed |
| Price | 14.5 USD | 28.17 USD | at the seller |
| Open toolchain | Project Apicula | Project Apicula | Project X-Ray / openXC7 |
| Toolchains | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Vivado WebPACK / ML Standard |
| Interfaces | HDMI, USB Type-C, Onboard JTAG, USB UART | HDMI, MAX98357A I2S amplifier path, TF card slot, USB Type-C, Onboard BL616 JTAG, USB UART | Ethernet, VGA, USB |
| Memory | PSRAM 64 Mbit, Onboard flash 32 Mbit | 32-bit SDR SDRAM 64 Mbit, Onboard flash 64 Mbit | DDR2 requires verification from Digilent resource center |
| Level | Beginner | Beginner | Beginner |
| Where to get help | r/GowinFPGA | Sipeed forum, r/GowinFPGA | Digilent Forum |
| Known issues | Open-source flow is feature-dependent | Onboard debugger recognition; Flash persistence mode | — |