FPGA & adaptive SoC databook · online editionRev. 2026.10

XCKU035 vs XCKU3P

A comparison of the AMD Kintex UltraScale XCKU035 and the AMD Kintex UltraScale+ XCKU3P using the data from both vendors' selection guides.

Side-by-side specifications

XCKU035XCKU3P
Vendor / familyAMD Kintex UltraScaleAMD Kintex UltraScale+
LUTs as published203,128 LUT6163,000 LUT6
LUT type6-input look-up table, fracturable into two LUT5 with shared inputs6-input look-up table, fracturable into two LUT5 with shared inputs
LUT4 equivalent (approx.)≈325,005≈260,800
CoreScore (SERV cores)——
Vendor logic figure444,000 SLC356,000 SLC
DSP1,700 DSP slices1,368 DSP slices
Block RAM19 Mb12.7 Mb
Large RAM—13.5 Mb
Max. user I/O520304
Transceivers16 × GTH/GTY 16.3 Gb/s16 × GTY 32.75 Gb/s
Hard PCI ExpressGen3Gen3 x16
Hard processorNoneNone
Process20 nm16 nm
Configuration memorySRAMSRAM
Packages44
Design toolAMD VivadoAMD Vivado

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 XCKU035 has about 25% more logic capacity (325K vs 261K LUT4 equivalents).

For arithmetic, the XCKU035 has 1,700 DSP slices against 1,368 DSP slices on the XCKU3P.

The XCKU3P has more on-chip memory (26.2 Mb vs 19 Mb).

Both have transceivers: 16 at up to 16.3 Gb/s on the XCKU035 and 16 at up to 32.75 Gb/s on the XCKU3P.

The XCKU035 is designed with AMD Vivado and the XCKU3P with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XCKU035 (Kintex UltraScale) and XCKU3P (Kintex UltraScale+).