GW1NZ-2 vs iCE40LM4K
A comparison of the Gowin LittleBee GW1NZ-2 and the Lattice iCE40 LP/HX/LM iCE40LM4K using the data from both vendors' selection guides.
Side-by-side specifications
| GW1NZ-2 | iCE40LM4K | |
|---|---|---|
| Vendor / family | Gowin LittleBee | Lattice iCE40 LP/HX/LM |
| Logic (LUT4-equivalent) | 2,304 | 3,520 |
| LUTs as published | 2,304 LUT4 | 3,520 LUT4 |
| Vendor logic figure | — LC | 3,520 LC |
| DSP | — 18×18 multipliers | — 16×16 MAC blocks |
| Block RAM | 0.1 Mb | 0.1 Mb |
| Large RAM | — | — |
| Max. user I/O | 125 | 39 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | None | None |
| Process | 55 nm | 40 nm |
| Configuration memory | Embedded flash | NVCM or SRAM |
| Packages | 4 | 3 |
| 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 iCE40LM4K has about 53% more logic capacity (3.5K vs 2.3K LUT4 equivalents).
The iCE40LM4K has more on-chip memory (0.1 Mb vs 0.1 Mb).
Configuration memory: embedded flash on the GW1NZ-2, nvcm or sram on the iCE40LM4K.
The GW1NZ-2 is designed with Gowin EDA and the iCE40LM4K with Lattice iCEcube2.
Full specifications
See the complete spec sheets with packages and grades: GW1NZ-2 (LittleBee) and iCE40LM4K (iCE40 LP/HX/LM).