XC7K420T vs XCKU9P
A comparison of the AMD Kintex-7 XC7K420T and the AMD Kintex UltraScale+ XCKU9P using the data from both vendors' selection guides.
Side-by-side specifications
| XC7K420T | XCKU9P | |
|---|---|---|
| Vendor / family | AMD Kintex-7 | AMD Kintex UltraScale+ |
| Logic (LUT4-equivalent) | 416,960 | 438,400 |
| LUTs as published | 260,600 LUT6 | 274,000 LUT6 |
| Vendor logic figure | 416,960 LC | 600,000 SLC |
| DSP | 1,680 DSP slices | 2,520 DSP slices |
| Block RAM | 29.4 Mb | 32.1 Mb |
| Large RAM | — | — |
| Max. user I/O | 400 | 304 |
| Transceivers | 32 × GTX 12.5 Gb/s | 28 × GTH 16.3 Gb/s |
| Hard PCI Express | Gen2 | None |
| Hard processor | None | None |
| Process | 28 nm | 16 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 2 | 1 |
| Design tool | AMD Vivado | AMD Vivado |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
Both devices offer similar logic capacity: 417K and 438K LUT4 equivalents.
For arithmetic, the XCKU9P has 2,520 DSP slices against 1,680 DSP slices on the XC7K420T.
Both have transceivers: 32 at up to 12.5 Gb/s on the XC7K420T and 28 at up to 16.3 Gb/s on the XCKU9P.
The XC7K420T is designed with AMD Vivado and the XCKU9P with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC7K420T (Kintex-7) and XCKU9P (Kintex UltraScale+).