GX 850

AlteraStratix 10 GX/SXSoC

The GX 850 is a Stratix 10 GX/SX FPGA from Altera, built on a 14 nm process. It provides 284,960 adaptive logic modules (ALMs) (841,000 logic elements (LEs)), about 569,920 LUT4 equivalents, 68 Mb of block RAM and 2,016 variable-precision DSP blocks. It offers up to 688 user I/O pins and 48 XCVR/XCVR transceivers at up to 28.3 Gb/s, with hard PCI Express Gen3 x16 blocks. It comes in a single package, the F1760 (42.5 × 42.5 mm). Designs are built with Altera Quartus Prime.

570KLUT4-equivalent

285KALMs

2,016variable-precision DSP blocks

68 MbBlock RAM

688Max. user I/O

48Transceivers (28.3 Gb/s)

Specifications

Vendor	Altera
Family	Stratix 10 GX/SX
Series	Stratix
Process	14 nm
Configuration memory	SRAM
LUT4-equivalent capacity	569,920
Adaptive logic modules (ALMs)	284,960
LUT note	Adaptive logic modules (ALMs): fracturable 8-input LUTs; each ALM can implement two 4-input functions
Logic elements (LEs)	841,000
Distributed RAM	4,096 Kb
Block RAM	68 Mb (3477 × 20 Kb)
DSP (variable-precision DSP block)	2,016

Max. user I/O	688
XCVR transceivers	32 × 28.3 Gb/s
XCVR transceivers	16 × 17.4 Gb/s
PCI Express	2× Gen3 x16
Analog / monitor	None
Design tool	Altera Quartus Prime

Packages

Package	Size (mm)	Pitch (mm)	User I/O	Transceivers
F1760	42.5 × 42.5	1.0	688	48

Package names are shown as in the selection guide; the full ordering code adds speed grade and temperature (see the data sheet).

Alternatives to the GX 850

Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.

Device	LUT4-eq.	Vendor logic	DSP	Block RAM	Max I/O	Transceivers	PCIe
XCKU15PAMD Kintex UltraScale+	837K 523K LUT6	1143K SLC	1,968	34.6 Mb	668	76 GTH/GTY 32.75 Gb/s	Gen3
10AX066Altera Arria 10	501K 251K ALMs	865K LE	1,687	41.7 Mb	696	48 XCVR 17.4 Gb/s	Gen3
10AT090Altera Arria 10	679K 340K ALMs	1180K LE	1,518	47.3 Mb	624	78 XCVR/XCVR 25.78 Gb/s	Gen3
XCVU3PAMD Virtex UltraScale+	630K 394K LUT6	862K SLC	2,280	25.3 Mb	520	40 GTY 32.75 Gb/s	Gen3
10AT115Altera Arria 10	854K 427K ALMs	1506K LE	1,518	53 Mb	624	78 XCVR/XCVR 25.78 Gb/s	Gen3
XCKU11PAMD Kintex UltraScale+	478K 299K LUT6	653K SLC	2,928	21.1 Mb	512	52 GTH/GTY 32.75 Gb/s	Gen3

Compare side by side: GX 850 vs XCKU15P, GX 850 vs 10AX066, GX 850 vs 10AT090, GX 850 vs XCVU3P, GX 850 vs 10AT115.

GX 850 quick facts

How many LUTs does the GX 850 have?

The GX 850 has 284,960 adaptive logic modules (ALMs), about 569,920 LUT4 equivalents (841,000 logic elements (les) as published by Altera).

How many DSP blocks does the GX 850 have?

The GX 850 has 2,016 variable-precision DSP blocks and 68 Mb of block RAM.

Does the GX 850 have transceivers?

Yes, 48 XCVR/XCVR transceivers at up to 28.3 Gb/s.

What are the alternatives to the GX 850?

Devices of similar size in other families include XCKU15P (AMD Kintex UltraScale+), 10AX066 (Altera Arria 10), 10AT090 (Altera Arria 10).

Which software is used to design with the GX 850?

Designs for the GX 850 are built with Altera Quartus Prime.

Other Stratix 10 GX/SX devices

Device	LUT4-eq.	Vendor logic	DSP	Block RAM	Max I/O	Transceivers	PCIe
GX 400	256K 128K ALMs	378K LE	648	30 Mb	374	24 XCVR/XCVR 28.3 Gb/s	Gen3
SX 400	256K 128K ALMs	378K LE	648	30 Mb	374	24 XCVR/XCVR 28.3 Gb/s	Gen3
GX 650	415K 207K ALMs	612K LE	1,152	49 Mb	392	24 XCVR/XCVR 28.3 Gb/s	Gen3
SX 650	415K 207K ALMs	612K LE	1,152	49 Mb	392	24 XCVR/XCVR 28.3 Gb/s	Gen3
GX 850	570K 285K ALMs	841K LE	2,016	68 Mb	688	48 XCVR/XCVR 28.3 Gb/s	Gen3
SX 850	570K 285K ALMs	841K LE	2,016	68 Mb	688	48 XCVR/XCVR 28.3 Gb/s	Gen3
GX 1100	899K 449K ALMs	1325K LE	2,592	107 Mb	688	48 XCVR/XCVR 28.3 Gb/s	Gen3
SX 1100	899K 449K ALMs	1325K LE	2,592	107 Mb	688	48 XCVR/XCVR 28.3 Gb/s	Gen3
GX 1650	1101K 551K ALMs	1624K LE	3,145	114 Mb	704	96 XCVR/XCVR 28.3 Gb/s	Gen3
SX 1650	1101K 551K ALMs	1624K LE	3,145	114 Mb	704	96 XCVR/XCVR 28.3 Gb/s	Gen3
GX 2100	1359K 680K ALMs	2005K LE	3,744	127 Mb	704	96 XCVR/XCVR 28.3 Gb/s	Gen3
SX 2100	1359K 680K ALMs	2005K LE	3,744	127 Mb	704	96 XCVR/XCVR 28.3 Gb/s	Gen3
GX 2500	1642K 821K ALMs	2422K LE	5,011	195 Mb	1,160	96 XCVR/XCVR 28.3 Gb/s	Gen3
SX 2500	1642K 821K ALMs	2422K LE	5,011	195 Mb	1,160	96 XCVR/XCVR 28.3 Gb/s	Gen3
GX 2800	1866K 933K ALMs	2753K LE	5,760	229 Mb	1,160	96 XCVR/XCVR 28.3 Gb/s	Gen3
SX 2800	1866K 933K ALMs	2753K LE	5,760	229 Mb	1,160	96 XCVR/XCVR 28.3 Gb/s	Gen3

Source: Altera Stratix 10 GX/SX FPGA Product Table, 2025.09.23. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.