FPGA & adaptive SoC databook · online editionRev. 2026.10

XCKU19P vs XCVU125

A comparison of the AMD Kintex UltraScale+ XCKU19P and the AMD Virtex UltraScale XCVU125 using the data from both vendors' selection guides.

Side-by-side specifications

XCKU19PXCVU125
Vendor / familyAMD Kintex UltraScale+AMD Virtex UltraScale
LUTs as published842,000 LUT6716,160 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.)≈1,347,200≈1,145,856
CoreScore (SERV cores)——
Vendor logic figure1,843,000 SLC1,567,000 SLC
DSP1,080 DSP slices1,200 DSP slices
Block RAM60.8 Mb88.6 Mb
Large RAM81 Mb—
Max. user I/O540832
Transceivers32 × GTY 32.75 Gb/s40 × GTH 16.3 Gb/s, 40 × GTY 30.5 Gb/s
Hard PCI ExpressGen3 x16Gen3
Hard processorNoneNone
Process16 nm20 nm
Configuration memorySRAMSRAM
Packages25
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 XCKU19P has about 18% more logic capacity (1347K vs 1146K LUT4 equivalents).

For arithmetic, the XCVU125 has 1,200 DSP slices against 1,080 DSP slices on the XCKU19P.

The XCKU19P has more on-chip memory (141.8 Mb vs 88.6 Mb).

Both have transceivers: 32 at up to 32.75 Gb/s on the XCKU19P and 80 at up to 30.5 Gb/s on the XCVU125.

The XCKU19P is designed with AMD Vivado and the XCVU125 with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XCKU19P (Kintex UltraScale+) and XCVU125 (Virtex UltraScale).