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