LFMXO4D-040 vs iCE40HX4K
A comparison of the Lattice MachXO4 LFMXO4D-040 and the Lattice iCE40 LP/HX/LM iCE40HX4K using the data from both vendors' selection guides.
Side-by-side specifications
| LFMXO4D-040 | iCE40HX4K | |
|---|---|---|
| Vendor / family | Lattice MachXO4 | Lattice iCE40 LP/HX/LM |
| Logic (LUT4-equivalent) | 3,000 | 3,520 |
| LUTs as published | 3,000 LUT4 | 3,520 LUT4 |
| Vendor logic figure | 3,600 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 | 204 | 109 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | None | None |
| Process | — | 40 nm |
| Configuration memory | Internal flash | NVCM or SRAM |
| Packages | 5 | 2 |
| Design tool | Lattice Radiant | Lattice iCEcube2 |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The iCE40HX4K has about 17% more logic capacity (3.5K vs 3K LUT4 equivalents).
Configuration memory: internal flash on the LFMXO4D-040, nvcm or sram on the iCE40HX4K.
The LFMXO4D-040 is designed with Lattice Radiant and the iCE40HX4K with Lattice iCEcube2.
Full specifications
See the complete spec sheets with packages and grades: LFMXO4D-040 (MachXO4) and iCE40HX4K (iCE40 LP/HX/LM).