FPGA & adaptive SoC databook · online editionRev. 2026.10

EP4CGX22 vs LFE5UM-25

A comparison of the Altera Cyclone IV EP4CGX22 and the Lattice ECP5 LFE5UM-25 using the data from both vendors' selection guides.

Side-by-side specifications

EP4CGX22LFE5UM-25
Vendor / familyAltera Cyclone IVLattice ECP5
Logic (LUT4-equivalent)21,00024,000
LUTs as published21,000 LUT424,000 LUT4
Vendor logic figure21,000 LE— LC
DSP40 18×18 multipliers28 18×18 multipliers
Block RAM0.7 Mb1 Mb
Large RAM——
Max. user I/O150197
Transceivers4 × XCVR 3.125 Gb/s2 × SERDES 3.2 Gb/s
Hard PCI ExpressGen2None
Hard processorNoneNone
Process60 nm40 nm
Configuration memorySRAMSRAM
Packages22
Design toolAltera Quartus PrimeLattice Diamond

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

Key differences

The LFE5UM-25 has about 14% more logic capacity (24K vs 21K LUT4 equivalents).

For arithmetic, the EP4CGX22 has 40 18×18 multipliers against 28 18×18 multipliers on the LFE5UM-25.

The LFE5UM-25 has more on-chip memory (1 Mb vs 0.7 Mb).

Both have transceivers: 4 at up to 3.125 Gb/s on the EP4CGX22 and 2 at up to 3.2 Gb/s on the LFE5UM-25.

The EP4CGX22 is designed with Altera Quartus Prime and the LFE5UM-25 with Lattice Diamond.

Full specifications

See the complete spec sheets with packages and grades: EP4CGX22 (Cyclone IV) and LFE5UM-25 (ECP5).