FPGA & adaptive SoC databook · online editionRev. 2026.10

XC7K355T vs XCKU5P

A comparison of the AMD Kintex-7 XC7K355T and the AMD Kintex UltraScale+ XCKU5P using the data from both vendors' selection guides.

Side-by-side specifications

XC7K355TXCKU5P
Vendor / familyAMD Kintex-7AMD Kintex UltraScale+
Logic (LUT4-equivalent)356,160347,200
LUTs as published222,600 LUT6217,000 LUT6
Vendor logic figure356,160 LC475,000 SLC
DSP1,440 DSP slices1,824 DSP slices
Block RAM25.1 Mb16.9 Mb
Large RAM—18 Mb
Max. user I/O300304
Transceivers24 × GTX 12.5 Gb/s16 × GTY 32.75 Gb/s
Hard PCI ExpressGen2Gen3 x16
Hard processorNoneNone
Process28 nm16 nm
Configuration memorySRAMSRAM
Packages14
Design toolAMD VivadoAMD Vivado

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

Key differences

Both devices offer similar logic capacity: 356K and 347K LUT4 equivalents.

For arithmetic, the XCKU5P has 1,824 DSP slices against 1,440 DSP slices on the XC7K355T.

The XCKU5P has more on-chip memory (34.9 Mb vs 25.1 Mb).

Both have transceivers: 24 at up to 12.5 Gb/s on the XC7K355T and 16 at up to 32.75 Gb/s on the XCKU5P.

The XC7K355T is designed with AMD Vivado and the XCKU5P with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XC7K355T (Kintex-7) and XCKU5P (Kintex UltraScale+).