LFD2NX-28 vs LFE5UM-25
A comparison of the Lattice Certus-NX LFD2NX-28 and the Lattice ECP5 LFE5UM-25 using the data from both vendors' selection guides.
Side-by-side specifications
| LFD2NX-28 | LFE5UM-25 | |
|---|---|---|
| Vendor / family | Lattice Certus-NX | Lattice ECP5 |
| Logic (LUT4-equivalent) | 23,333 | 24,000 |
| LUTs as published | 23,333 LUT4 | 24,000 LUT4 |
| Vendor logic figure | 28,000 LC | — LC |
| DSP | 40 18×18 multipliers | 28 18×18 multipliers |
| Block RAM | 1 Mb | 1 Mb |
| Large RAM | 1 Mb | — |
| Max. user I/O | 191 | 197 |
| Transceivers | 1 × SERDES 5 Gb/s | 2 × SERDES 3.2 Gb/s |
| Hard PCI Express | Gen2 | None |
| Hard processor | None | None |
| Process | 28 nm | 40 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 3 | 2 |
| Design tool | Lattice Radiant | Lattice Diamond |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
Both devices offer similar logic capacity: 23.3K and 24K LUT4 equivalents.
For arithmetic, the LFD2NX-28 has 40 18×18 multipliers against 28 18×18 multipliers on the LFE5UM-25.
The LFD2NX-28 has more on-chip memory (2 Mb vs 1 Mb).
Both have transceivers: 1 at up to 5 Gb/s on the LFD2NX-28 and 2 at up to 3.2 Gb/s on the LFE5UM-25.
The LFD2NX-28 is designed with Lattice Radiant and the LFE5UM-25 with Lattice Diamond.
Full specifications
See the complete spec sheets with packages and grades: LFD2NX-28 (Certus-NX) and LFE5UM-25 (ECP5).