XC7VX980T vs XCKU115
A comparison of the AMD Virtex-7 XC7VX980T and the AMD Kintex UltraScale XCKU115 using the data from both vendors' selection guides.
Side-by-side specifications
| XC7VX980T | XCKU115 | |
|---|---|---|
| Vendor / family | AMD Virtex-7 | AMD Kintex UltraScale |
| LUTs as published | 612,000 LUT6 | 663,360 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.) | ≈979,200 | ≈1,061,376 |
| CoreScore (SERV cores) | 3,040 | — |
| Vendor logic figure | 979,200 LC | 1,451,000 SLC |
| DSP | 3,600 DSP slices | 5,520 DSP slices |
| Block RAM | 52.7 Mb | 75.9 Mb |
| Large RAM | — | — |
| Max. user I/O | 900 | 832 |
| Transceivers | 72 × GTH 13.1 Gb/s | 64 × 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 | 3 | 7 |
| 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 XCKU115 has about 8% more logic capacity (1061K vs 979K LUT4 equivalents).
For arithmetic, the XCKU115 has 5,520 DSP slices against 3,600 DSP slices on the XC7VX980T.
The XCKU115 has more on-chip memory (75.9 Mb vs 52.7 Mb).
Both have transceivers: 72 at up to 13.1 Gb/s on the XC7VX980T and 64 at up to 16.3 Gb/s on the XCKU115.
The XC7VX980T is designed with AMD Vivado and the XCKU115 with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC7VX980T (Virtex-7) and XCKU115 (Kintex UltraScale).