SipeedGW2Aintermediateconfidence 3/5
Tang Primer 20K Dock

Gowin GW2A-18 dock-style board intended for secondary development with more connectors than Tang Nano boards.

GW2A-LV18PG256C8/I7open toolchainprice unknowneducationvideonetworkingrisc-v
SipeedGW2A/GW2ARbeginnerconfidence 4/5
Tang Nano 20K

Compact Gowin GW2AR board with HDMI, audio amplifier, TF card slot, SDRAM, and onboard debugger.

GW2AR-LV18QN88C8/I7open toolchain28.17 USDeducationvideoaudiorisc-v
iCEBreaker FPGAiCE40 UltraPlusbeginnerconfidence 4/5
iCEBreaker

Open-source educational Lattice iCE40UP5K board designed around the Yosys, nextpnr and IceStorm flow.

iCE40UP5K-SG48open toolchainprice unknowneducationcontroldspformal
FieldTang Primer 20K DockTang Nano 20KiCEBreaker
ChipGW2A-LV18PG256C8/I7GW2AR-LV18QN88C8/I7iCE40UP5K-SG48
FamilyGW2AGW2A/GW2ARiCE40 UltraPlus
Device typeFPGAFPGAFPGA
Priceunknown28.17 USDunknown
ToolchainsGowin EDA, Yosys + nextpnr-gowin + ApiculaGowin EDA, Yosys + nextpnr-gowin + ApiculaYosys + nextpnr + IceStorm, Lattice Diamond Programmer
Open toolchainyesyesyes
InterfacesEthernet, HDMI, USB 2.0, SD card, JTAG/UART connectorHDMI, MAX98357A I2S amplifier path, TF card slot, USB Type-C, Onboard BL616 JTAG, USB UARTmicroUSB FT2232H, FT2232H programming, USB serial
MemoryDDR3 1 Gbit, NOR flash 64 Mbit32-bit SDR SDRAM 64 Mbit, Onboard flash 64 MbitQSPI flash 128 Mbit
Documentation687882
Difficultyintermediatebeginnerbeginner
Openness score707696
Where to get helpSipeed forumSipeed forum, r/GowinFPGAiCEBreaker community docs
Typical risksDock-specific features must be checked against the dock revision documentation.Verify exact board revision before using pin labels, constraints, or power assumptions. Onboard debugger recognition Flash persistence modeCheck add-on pinout and exact hardware revision before connecting Pmods.
Better foropen-source flowbeginner learningopen-source flow