LFE5UM-85 vs LFMXO5-100T
A comparison of the Lattice ECP5 LFE5UM-85 and the Lattice MachXO5-NX LFMXO5-100T using the data from both vendors' selection guides.
Side-by-side specifications
| LFE5UM-85 | LFMXO5-100T | |
|---|---|---|
| Vendor / family | Lattice ECP5 | Lattice MachXO5-NX |
| Logic (LUT4-equivalent) | 84,000 | 80,000 |
| LUTs as published | 84,000 LUT4 | 80,000 LUT4 |
| Vendor logic figure | — LC | 96,000 LC |
| DSP | 156 18×18 multipliers | 156 18×18 multipliers |
| Block RAM | 3.7 Mb | 3.7 Mb |
| Large RAM | — | 3.5 Mb |
| Max. user I/O | 365 | 297 |
| Transceivers | 4 × SERDES 3.2 Gb/s | 2 × SERDES |
| Hard PCI Express | None | Gen2 |
| Hard processor | None | None |
| Process | 40 nm | 28 nm |
| Configuration memory | SRAM | Internal flash |
| Packages | 4 | 1 |
| Design tool | Lattice Diamond | Lattice Radiant |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
Both devices offer similar logic capacity: 84K and 80K LUT4 equivalents.
The LFMXO5-100T has more on-chip memory (7.2 Mb vs 3.7 Mb).
Both have transceivers: 4 at up to 3.2 Gb/s on the LFE5UM-85 and 2 at up to 0 Gb/s on the LFMXO5-100T.
Configuration memory: sram on the LFE5UM-85, internal flash on the LFMXO5-100T.
The LFE5UM-85 is designed with Lattice Diamond and the LFMXO5-100T with Lattice Radiant.
Full specifications
See the complete spec sheets with packages and grades: LFE5UM-85 (ECP5) and LFMXO5-100T (MachXO5-NX).