XC7VX690T vs XCKU085
A comparison of the AMD Virtex-7 XC7VX690T and the AMD Kintex UltraScale XCKU085 using the data from both vendors' selection guides.
Side-by-side specifications
| XC7VX690T | XCKU085 | |
|---|---|---|
| Vendor / family | AMD Virtex-7 | AMD Kintex UltraScale |
| LUTs as published | 433,200 LUT6 | 497,520 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.) | ≈693,120 | ≈796,032 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 693,120 LC | 1,088,000 SLC |
| DSP | 3,600 DSP slices | 4,100 DSP slices |
| Block RAM | 51.7 Mb | 57 Mb |
| Large RAM | — | — |
| Max. user I/O | 1,000 | 676 |
| Transceivers | 80 × GTH 13.1 Gb/s | 56 × GTH/GTY 16.3 Gb/s |
| Hard PCI Express | Gen3 | Gen3 |
| Hard processor | None | None |
| Process | 28 nm | 20 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 6 | 3 |
| 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 15% more logic capacity (796K vs 693K LUT4 equivalents).
For arithmetic, the XCKU085 has 4,100 DSP slices against 3,600 DSP slices on the XC7VX690T.
Both have transceivers: 80 at up to 13.1 Gb/s on the XC7VX690T and 56 at up to 16.3 Gb/s on the XCKU085.
The XC7VX690T is designed with AMD Vivado and the XCKU085 with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC7VX690T (Virtex-7) and XCKU085 (Kintex UltraScale).