XC6VSX315T vs XCKU035
A comparison of the AMD Virtex-6 XC6VSX315T and the AMD Kintex UltraScale XCKU035 using the data from both vendors' selection guides.
Side-by-side specifications
| XC6VSX315T | XCKU035 | |
|---|---|---|
| Vendor / family | AMD Virtex-6 | AMD Kintex UltraScale |
| LUTs as published | 196,800 LUT6 | 203,128 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.) | ≈314,880 | ≈325,005 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 314,880 LC | 444,000 SLC |
| DSP | 1,344 DSP48E1 slices | 1,700 DSP slices |
| Block RAM | 24.8 Mb | 19 Mb |
| Large RAM | — | — |
| Max. user I/O | 720 | 520 |
| Transceivers | 24 × GTX 6.6 Gb/s | 16 × GTH/GTY 16.3 Gb/s |
| Hard PCI Express | Gen2 x8 | Gen3 |
| Hard processor | None | None |
| Process | 40 nm | 20 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 2 | 4 |
| Design tool | AMD ISE Design Suite | 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
Both devices offer similar logic capacity: 315K and 325K LUT4 equivalents.
For arithmetic, the XCKU035 has 1,700 DSP slices against 1,344 DSP48E1 slices on the XC6VSX315T.
The XC6VSX315T has more on-chip memory (24.8 Mb vs 19 Mb).
Both have transceivers: 24 at up to 6.6 Gb/s on the XC6VSX315T and 16 at up to 16.3 Gb/s on the XCKU035.
The XC6VSX315T is designed with AMD ISE Design Suite and the XCKU035 with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC6VSX315T (Virtex-6) and XCKU035 (Kintex UltraScale).