FPGA & adaptive SoC databook · online editionRev. 2026.10

XCKU19P vs XCVU23P

A comparison of the AMD Kintex UltraScale+ XCKU19P and the AMD Virtex UltraScale+ XCVU23P using the data from both vendors' selection guides.

Side-by-side specifications

XCKU19PXCVU23P
Vendor / familyAMD Kintex UltraScale+AMD Virtex UltraScale+
Logic (LUT4-equivalent)1,347,2001,648,000
LUTs as published842,000 LUT61,030,000 LUT6
Vendor logic figure1,843,000 SLC2,252,000 SLC
DSP1,080 DSP slices1,320 DSP slices
Block RAM60.8 Mb74.3 Mb
Large RAM81 Mb99 Mb
Max. user I/O540644
Transceivers32 × GTY 32.75 Gb/s34 × GTY 32.75 Gb/s, 4 × GTM 58 Gb/s
Hard PCI ExpressGen3 x16Gen3 x16
Hard processorNoneNone
Process16 nm16 nm
Configuration memorySRAMSRAM
Packages20
Design toolAMD VivadoAMD Vivado

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

Key differences

The XCVU23P has about 22% more logic capacity (1648K vs 1347K LUT4 equivalents).

For arithmetic, the XCVU23P has 1,320 DSP slices against 1,080 DSP slices on the XCKU19P.

The XCVU23P has more on-chip memory (173.3 Mb vs 141.8 Mb).

Both have transceivers: 32 at up to 32.75 Gb/s on the XCKU19P and 38 at up to 58 Gb/s on the XCVU23P.

The XCKU19P is designed with AMD Vivado and the XCVU23P with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XCKU19P (Kintex UltraScale+) and XCVU23P (Virtex UltraScale+).