GW1NRF-4B vs iCE40UP5K
A comparison of the Gowin LittleBee GW1NRF-4B and the Lattice iCE40 UltraPlus iCE40UP5K using the data from both vendors' selection guides.
Side-by-side specifications
| GW1NRF-4B | iCE40UP5K | |
|---|---|---|
| Vendor / family | Gowin LittleBee | Lattice iCE40 UltraPlus |
| Logic (LUT4-equivalent) | 4,606 | 5,280 |
| LUTs as published | 4,606 LUT4 | 5,280 LUT4 |
| Vendor logic figure | — LC | — LC |
| DSP | 16 18×18 multipliers | 8 16×16 MAC blocks |
| Block RAM | 0.2 Mb | 0.1 Mb |
| Large RAM | — | 1 Mb |
| Max. user I/O | 25 | 39 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | 1× ARC (32-bit) | None |
| Process | 55 nm | 40 nm |
| Configuration memory | Embedded flash | NVCM |
| Packages | 0 | 2 |
| Design tool | Gowin EDA | Lattice Radiant |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The iCE40UP5K has about 15% more logic capacity (5.3K vs 4.6K LUT4 equivalents).
For arithmetic, the GW1NRF-4B has 16 18×18 multipliers against 8 16×16 MAC blocks on the iCE40UP5K.
The iCE40UP5K has more on-chip memory (1.1 Mb vs 0.2 Mb).
The GW1NRF-4B includes a hard ARC (32-bit) processor, while the iCE40UP5K does not.
Configuration memory: embedded flash on the GW1NRF-4B, nvcm on the iCE40UP5K.
The GW1NRF-4B is designed with Gowin EDA and the iCE40UP5K with Lattice Radiant.
Full specifications
See the complete spec sheets with packages and grades: GW1NRF-4B (LittleBee) and iCE40UP5K (iCE40 UltraPlus).