FPGA & adaptive SoC databook · online editionRev. 2026.10

LFE5U-45 vs Ti40

A comparison of the Lattice ECP5 LFE5U-45 and the Efinix Titanium Ti40 using the data from both vendors' selection guides.

Side-by-side specifications

LFE5U-45Ti40
Vendor / familyLattice ECP5Efinix Titanium
Logic (LUT4-equivalent)44,00038,925
LUTs as published44,000 LUT4— LUT4
Vendor logic figure— LC38,925 LE
DSP72 18×18 multipliers100 DSP blocks
Block RAM1.9 Mb1.5 Mb
Large RAM——
Max. user I/O245183
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process40 nm16 nm
Configuration memorySRAMSRAM
Packages51
Design toolLattice DiamondEfinix Efinity

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

Key differences

The LFE5U-45 has about 13% more logic capacity (44K vs 38.9K LUT4 equivalents).

For arithmetic, the Ti40 has 100 DSP blocks against 72 18×18 multipliers on the LFE5U-45.

The LFE5U-45 has more on-chip memory (1.9 Mb vs 1.5 Mb).

The LFE5U-45 is designed with Lattice Diamond and the Ti40 with Efinix Efinity.

Full specifications

See the complete spec sheets with packages and grades: LFE5U-45 (ECP5) and Ti40 (Titanium).