XCKU085 vs XCKU13P
A comparison of the AMD Kintex UltraScale XCKU085 and the AMD Kintex UltraScale+ XCKU13P using the data from both vendors' selection guides.
Side-by-side specifications
| XCKU085 | XCKU13P | |
|---|---|---|
| Vendor / family | AMD Kintex UltraScale | AMD Kintex UltraScale+ |
| LUTs as published | 497,520 LUT6 | 341,000 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.) | ≈796,032 | ≈545,600 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 1,088,000 SLC | 747,000 SLC |
| DSP | 4,100 DSP slices | 3,528 DSP slices |
| Block RAM | 57 Mb | 26.2 Mb |
| Large RAM | — | 31.5 Mb |
| Max. user I/O | 676 | 304 |
| Transceivers | 56 × GTH/GTY 16.3 Gb/s | 28 × GTH 16.3 Gb/s |
| Hard PCI Express | Gen3 | None |
| Hard processor | None | None |
| Process | 20 nm | 16 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 3 | 1 |
| 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 XCKU085 has about 46% more logic capacity (796K vs 546K LUT4 equivalents).
For arithmetic, the XCKU085 has 4,100 DSP slices against 3,528 DSP slices on the XCKU13P.
The XCKU085 is designed with AMD Vivado and the XCKU13P with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XCKU085 (Kintex UltraScale) and XCKU13P (Kintex UltraScale+).