FPGA & adaptive SoC databook · online editionRev. 2026.10

5CSXC5 vs A3C 100

A comparison of the Altera Cyclone V 5CSXC5 and the Altera Agilex 3 A3C 100 using the data from both vendors' selection guides.

Side-by-side specifications

5CSXC5A3C 100
Vendor / familyAltera Cyclone VAltera Agilex 3
Logic (LUT4-equivalent)64,14068,000
LUTs as published32,070 ALMs34,000 ALMs
Vendor logic figure85,000 LE100,300 LE
DSP87 variable-precision DSP blocks138 variable-precision DSP blocks
Block RAM3.9 Mb5.1 Mb
Large RAM——
Max. user I/O288392
Transceivers9 × XCVR 3.125 Gb/s4 × XCVR 12.5 Gb/s
Hard PCI ExpressGen1Gen3 x4
Hard processor2× Arm Cortex-A92× Arm Cortex-A55 (optional)
Process28 nmIntel 7
Configuration memorySRAMSRAM
Packages23
Design toolAltera Quartus PrimeAltera Quartus Prime

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

Key differences

Both devices offer similar logic capacity: 64.1K and 68K LUT4 equivalents.

For arithmetic, the A3C 100 has 138 variable-precision DSP blocks against 87 variable-precision DSP blocks on the 5CSXC5.

The A3C 100 has more on-chip memory (5.1 Mb vs 3.9 Mb).

Both have transceivers: 9 at up to 3.125 Gb/s on the 5CSXC5 and 4 at up to 12.5 Gb/s on the A3C 100.

The 5CSXC5 is designed with Altera Quartus Prime and the A3C 100 with Altera Quartus Prime.

Full specifications

See the complete spec sheets with packages and grades: 5CSXC5 (Cyclone V) and A3C 100 (Agilex 3).