FPGA & adaptive SoC databook · online editionRev. 2026.10

5SEEB vs EP4SE820

A comparison of the Altera Stratix V 5SEEB and the Altera Stratix IV EP4SE820 using the data from both vendors' selection guides.

Side-by-side specifications

5SEEBEP4SE820
Vendor / familyAltera Stratix VAltera Stratix IV
LUTs as published359,200 ALMs325,220 ALMs
LUT typeadaptive logic module: fracturable 8-input LUT (one 6-input or two independent 4-input functions)adaptive logic module: fracturable 8-input LUT (one 6-input or two independent 4-input functions)
LUT4 equivalent (approx.)≈718,400≈650,440
CoreScore (SERV cores)——
Vendor logic figure952,000 LE813,000 LE
DSP352 variable-precision DSP blocks960 18×18 multipliers
Block RAM51.6 Mb22.6 Mb
Large RAM——
Max. user I/O8401,104
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process28 nm40 nm
Configuration memorySRAMSRAM
Packages23
Design toolAltera Quartus PrimeAltera Quartus Prime

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

The 5SEEB has about 10% more logic capacity (718K vs 650K LUT4 equivalents).

For arithmetic, the EP4SE820 has 960 18×18 multipliers against 352 variable-precision DSP blocks on the 5SEEB.

The 5SEEB has more on-chip memory (51.6 Mb vs 22.6 Mb).

The 5SEEB is designed with Altera Quartus Prime and the EP4SE820 with Altera Quartus Prime.

Full specifications

See the complete spec sheets with packages and grades: 5SEEB (Stratix V) and EP4SE820 (Stratix IV).