FPGA & adaptive SoC databook · online editionRev. 2026.10

LFMXO5-65T vs T55

A comparison of the Lattice MachXO5-NX LFMXO5-65T and the Efinix Trion T55 using the data from both vendors' selection guides.

Side-by-side specifications

LFMXO5-65TT55
Vendor / familyLattice MachXO5-NXEfinix Trion
Logic (LUT4-equivalent)54,16754,195
LUTs as published54,167 LUT4— LUT4
Vendor logic figure65,000 LC54,195 LE
DSP128 18×18 multipliers150 18×18 multipliers
Block RAM2.2 Mb2.7 Mb
Large RAM1 Mb—
Max. user I/O371278
Transceivers1 × SERDESNone
Hard PCI ExpressGen2None
Hard processorNoneNone
Process28 nm40 nm
Configuration memoryInternal flashSRAM
Packages33
Design toolLattice RadiantEfinix Efinity

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

Key differences

Both devices offer similar logic capacity: 54.2K and 54.2K LUT4 equivalents.

For arithmetic, the T55 has 150 18×18 multipliers against 128 18×18 multipliers on the LFMXO5-65T.

The LFMXO5-65T has more on-chip memory (3.2 Mb vs 2.7 Mb).

Only the LFMXO5-65T has multi-gigabit transceivers (1).

Configuration memory: internal flash on the LFMXO5-65T, sram on the T55.

The LFMXO5-65T is designed with Lattice Radiant and the T55 with Efinix Efinity.

Full specifications

See the complete spec sheets with packages and grades: LFMXO5-65T (MachXO5-NX) and T55 (Trion).