XCKU15P vs XCVU125
A comparison of the AMD Kintex UltraScale+ XCKU15P and the AMD Virtex UltraScale XCVU125 using the data from both vendors' selection guides.
Side-by-side specifications
| XCKU15P | XCVU125 | |
|---|---|---|
| Vendor / family | AMD Kintex UltraScale+ | AMD Virtex UltraScale |
| LUTs as published | 523,000 LUT6 | 716,160 LUT6 |
| LUT type | 6-input look-up table, fracturable into two LUT5 with shared inputs | 6-input look-up table, fracturable into two LUT5 with shared inputs |
| LUT4 equivalent (approx.) | ≈836,800 | ≈1,145,856 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 1,143,000 SLC | 1,567,000 SLC |
| DSP | 1,968 DSP slices | 1,200 DSP slices |
| Block RAM | 34.6 Mb | 88.6 Mb |
| Large RAM | 36 Mb | — |
| Max. user I/O | 668 | 832 |
| Transceivers | 44 × GTH 16.3 Gb/s, 32 × GTY 32.75 Gb/s | 40 × GTH 16.3 Gb/s, 40 × GTY 30.5 Gb/s |
| Hard PCI Express | Gen3 x16 | Gen3 |
| Hard processor | None | None |
| Process | 16 nm | 20 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 4 | 5 |
| Design tool | AMD Vivado | AMD 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 XCVU125 has about 37% more logic capacity (1146K vs 837K LUT4 equivalents).
For arithmetic, the XCKU15P has 1,968 DSP slices against 1,200 DSP slices on the XCVU125.
The XCVU125 has more on-chip memory (88.6 Mb vs 70.6 Mb).
Both have transceivers: 76 at up to 32.75 Gb/s on the XCKU15P and 80 at up to 30.5 Gb/s on the XCVU125.
The XCKU15P is designed with AMD Vivado and the XCVU125 with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XCKU15P (Kintex UltraScale+) and XCVU125 (Virtex UltraScale).