FPGA & adaptive SoC databook · online editionRev. 2026.10

LFMXO4D-050 vs iCE40HX4K

A comparison of the Lattice MachXO4 LFMXO4D-050 and the Lattice iCE40 LP/HX/LM iCE40HX4K using the data from both vendors' selection guides.

Side-by-side specifications

LFMXO4D-050iCE40HX4K
Vendor / familyLattice MachXO4Lattice iCE40 LP/HX/LM
Logic (LUT4-equivalent)4,3203,520
LUTs as published4,320 LUT43,520 LUT4
Vendor logic figure5,200 LC3,520 LC
DSP— 18×18 multipliers— 16×16 MAC blocks
Block RAM0.1 Mb0.1 Mb
Large RAM——
Max. user I/O204109
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process—40 nm
Configuration memoryInternal flashNVCM or SRAM
Packages52
Design toolLattice RadiantLattice iCEcube2

Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.

Key differences

The LFMXO4D-050 has about 23% more logic capacity (4.3K vs 3.5K LUT4 equivalents).

The LFMXO4D-050 has more on-chip memory (0.1 Mb vs 0.1 Mb).

Configuration memory: internal flash on the LFMXO4D-050, nvcm or sram on the iCE40HX4K.

The LFMXO4D-050 is designed with Lattice Radiant and the iCE40HX4K with Lattice iCEcube2.

Full specifications

See the complete spec sheets with packages and grades: LFMXO4D-050 (MachXO4) and iCE40HX4K (iCE40 LP/HX/LM).