FPGA & adaptive SoC databook · online editionRev. 2026.10

10AT115 vs GX 850

A comparison of the Altera Arria 10 10AT115 and the Altera Stratix 10 GX/SX GX 850 using the data from both vendors' selection guides.

Side-by-side specifications

10AT115GX 850
Vendor / familyAltera Arria 10Altera Stratix 10 GX/SX
Logic (LUT4-equivalent)854,400569,920
LUTs as published427,200 ALMs284,960 ALMs
Vendor logic figure1,506,000 LE841,000 LE
DSP1,518 variable-precision DSP blocks2,016 variable-precision DSP blocks
Block RAM53 Mb68 Mb
Large RAM——
Max. user I/O624688
Transceivers72 × XCVR 17.4 Gb/s, 6 × XCVR 25.78 Gb/s32 × XCVR 28.3 Gb/s, 16 × XCVR 17.4 Gb/s
Hard PCI ExpressGen3 x8Gen3 x16
Hard processorNoneNone
Process20 nm14 nm
Configuration memorySRAMSRAM
Packages11
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 10AT115 has about 50% more logic capacity (854K vs 570K LUT4 equivalents).

For arithmetic, the GX 850 has 2,016 variable-precision DSP blocks against 1,518 variable-precision DSP blocks on the 10AT115.

The GX 850 has more on-chip memory (68 Mb vs 53 Mb).

Both have transceivers: 78 at up to 25.78 Gb/s on the 10AT115 and 48 at up to 28.3 Gb/s on the GX 850.

The 10AT115 is designed with Altera Quartus Prime and the GX 850 with Altera Quartus Prime.

Full specifications

See the complete spec sheets with packages and grades: 10AT115 (Arria 10) and GX 850 (Stratix 10 GX/SX).