FPGA & adaptive SoC databook · online editionRev. 2026.10

A5E 052A vs SX 400

A comparison of the Altera Agilex 5 E-Series A5E 052A and the Altera Stratix 10 GX/SX SX 400 using the data from both vendors' selection guides.

Side-by-side specifications

A5E 052ASX 400
Vendor / familyAltera Agilex 5 E-SeriesAltera Stratix 10 GX/SX
Logic (LUT4-equivalent)355,200256,320
LUTs as published177,600 ALMs128,160 ALMs
Vendor logic figure523,920 LE378,000 LE
DSP676 variable-precision DSP blocks648 variable-precision DSP blocks
Block RAM25.2 Mb30 Mb
Large RAM——
Max. user I/O504374
Transceivers24 × XCVR 28 Gb/s16 × XCVR 28.3 Gb/s, 8 × XCVR 17.4 Gb/s
Hard PCI ExpressGen4 x4Gen3 x16
Hard processor4× Arm Cortex-A76 + Cortex-A55 (optional)4× Arm Cortex-A53
ProcessIntel 714 nm
Configuration memorySRAMSRAM
Packages21
Design toolAltera Quartus PrimeAltera Quartus Prime

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

Key differences

The A5E 052A has about 39% more logic capacity (355K vs 256K LUT4 equivalents).

For arithmetic, the A5E 052A has 676 variable-precision DSP blocks against 648 variable-precision DSP blocks on the SX 400.

The SX 400 has more on-chip memory (30 Mb vs 25.2 Mb).

Both have transceivers: 24 at up to 28 Gb/s on the A5E 052A and 24 at up to 28.3 Gb/s on the SX 400.

The A5E 052A is designed with Altera Quartus Prime and the SX 400 with Altera Quartus Prime.

Full specifications

See the complete spec sheets with packages and grades: A5E 052A (Agilex 5 E-Series) and SX 400 (Stratix 10 GX/SX).