GW1NZ-1 vs iCE40UL1K
A comparison of the Gowin LittleBee GW1NZ-1 and the Lattice iCE40 Ultra iCE40UL1K using the data from both vendors' selection guides.
Side-by-side specifications
| GW1NZ-1 | iCE40UL1K | |
|---|---|---|
| Vendor / family | Gowin LittleBee | Lattice iCE40 Ultra |
| Logic (LUT4-equivalent) | 1,152 | 1,248 |
| LUTs as published | 1,152 LUT4 | 1,248 LUT4 |
| Vendor logic figure | — LC | — LC |
| DSP | — 18×18 multipliers | — 16×16 MAC blocks |
| Block RAM | 0.1 Mb | 0.1 Mb |
| Large RAM | — | — |
| Max. user I/O | 48 | 26 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | None | None |
| Process | 55 nm | 40 nm |
| Configuration memory | Embedded flash | NVCM |
| Packages | 6 | 2 |
| Design tool | Gowin EDA | Lattice iCEcube2 |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The iCE40UL1K has about 8% more logic capacity (1.2K vs 1.2K LUT4 equivalents).
The GW1NZ-1 has more on-chip memory (0.1 Mb vs 0.1 Mb).
Configuration memory: embedded flash on the GW1NZ-1, nvcm on the iCE40UL1K.
The GW1NZ-1 is designed with Gowin EDA and the iCE40UL1K with Lattice iCEcube2.
Full specifications
See the complete spec sheets with packages and grades: GW1NZ-1 (LittleBee) and iCE40UL1K (iCE40 Ultra).