Compare boards
Up to four boards side by side: chip, logic, toolchains, interfaces and price.
| Attribute | Tang Nano 9K | iCEBreaker | Tang Nano 20K |
|---|---|---|---|
| FPGA | GW1NR-LV9QN88PC6/I5 | iCE40UP5K-SG48 | GW2AR-LV18QN88C8/I7 |
| Family | GW1NR | iCE40 UltraPlus | GW2AR |
| Logic (LUTs) | 8640 | 5280 | 20736 |
| Price | 14.5 USD | at the seller | 28.17 USD |
| Open toolchain | Project Apicula | Project IceStorm | Project Apicula |
| Toolchains | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Yosys + nextpnr + IceStorm, Lattice Diamond Programmer | Gowin EDA, Yosys + nextpnr-gowin + Apicula |
| Interfaces | HDMI, USB Type-C, Onboard JTAG, USB UART | microUSB FT2232H, FT2232H programming, USB serial | HDMI, MAX98357A I2S amplifier path, TF card slot, USB Type-C, Onboard BL616 JTAG, USB UART |
| Memory | PSRAM 64 Mbit, Onboard flash 32 Mbit | QSPI flash 128 Mbit | 32-bit SDR SDRAM 64 Mbit, Onboard flash 64 Mbit |
| Level | Beginner | Beginner | Beginner |
| Where to get help | r/GowinFPGA | iCEBreaker community docs | Sipeed forum, r/GowinFPGA |
| Known issues | Open-source flow is feature-dependent | — | Onboard debugger recognition; Flash persistence mode |