GW2A-55 vs LFE5U-45
A comparison of the Gowin Arora II GW2A-55 and the Lattice ECP5 LFE5U-45 using the data from both vendors' selection guides.
Side-by-side specifications
| GW2A-55 | LFE5U-45 | |
|---|---|---|
| Vendor / family | Gowin Arora II | Lattice ECP5 |
| Logic (LUT4-equivalent) | 54,720 | 44,000 |
| LUTs as published | 54,720 LUT4 | 44,000 LUT4 |
| Vendor logic figure | — LC | — LC |
| DSP | 40 18×18 multipliers | 72 18×18 multipliers |
| Block RAM | 2.5 Mb | 1.9 Mb |
| Large RAM | — | — |
| Max. user I/O | 608 | 245 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | None | None |
| Process | 55 nm | 40 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 7 | 5 |
| Design tool | Gowin EDA | Lattice Diamond |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The GW2A-55 has about 24% more logic capacity (54.7K vs 44K LUT4 equivalents).
For arithmetic, the LFE5U-45 has 72 18×18 multipliers against 40 18×18 multipliers on the GW2A-55.
The GW2A-55 has more on-chip memory (2.5 Mb vs 1.9 Mb).
The GW2A-55 is designed with Gowin EDA and the LFE5U-45 with Lattice Diamond.
Full specifications
See the complete spec sheets with packages and grades: GW2A-55 (Arora II) and LFE5U-45 (ECP5).