FPGA & adaptive SoC databook · online editionRev. 2026.10

LFE3-150EA vs RT4G150

A comparison of the Lattice LatticeECP3 LFE3-150EA and the Microchip RTG4 RT4G150 using the data from both vendors' selection guides.

Side-by-side specifications

LFE3-150EART4G150
Vendor / familyLattice LatticeECP3Microchip RTG4
LUTs as published149,000 LUT4151,824 LUT4
LUT type4-input look-up table4-input look-up table
LUT4 equivalent (approx.)≈149,000≈151,824
CoreScore (SERV cores)——
Vendor logic figure—151,824 LE
DSP320 18×18 multipliers462 18×18 math blocks
Block RAM6.7 Mb5 Mb
Large RAM——
Max. user I/O586720
Transceivers16 × SERDES 3.2 Gb/s24 × SerDes 3.125 Gb/s
Hard PCI ExpressNoneGen1
Hard processorNoneNone
Process65 nm65 nm
Configuration memorySRAMNon-volatile (flash)
Packages24
Design toolLattice DiamondMicrochip Libero SoC

Highlighted values are higher. LUT counts are shown as published; the LUT4 equivalent is an approximation to compare different LUT types, see how FPGA vendors count logic. Add up to two more devices to this comparison.

Key differences

Both devices offer similar logic capacity: 149K and 152K LUT4 equivalents.

For arithmetic, the RT4G150 has 462 18×18 math blocks against 320 18×18 multipliers on the LFE3-150EA.

The LFE3-150EA has more on-chip memory (6.7 Mb vs 5 Mb).

Both have transceivers: 16 at up to 3.2 Gb/s on the LFE3-150EA and 24 at up to 3.125 Gb/s on the RT4G150.

Configuration memory: sram on the LFE3-150EA, non-volatile (flash) on the RT4G150.

The LFE3-150EA is designed with Lattice Diamond and the RT4G150 with Microchip Libero SoC.

Full specifications

See the complete spec sheets with packages and grades: LFE3-150EA (LatticeECP3) and RT4G150 (RTG4).