XC7K355T vs XCKU3P
A comparison of the AMD Kintex-7 XC7K355T and the AMD Kintex UltraScale+ XCKU3P using the data from both vendors' selection guides.
Side-by-side specifications
| XC7K355T | XCKU3P | |
|---|---|---|
| Vendor / family | AMD Kintex-7 | AMD Kintex UltraScale+ |
| Logic (LUT4-equivalent) | 356,160 | 260,800 |
| LUTs as published | 222,600 LUT6 | 163,000 LUT6 |
| Vendor logic figure | 356,160 LC | 356,000 SLC |
| DSP | 1,440 DSP slices | 1,368 DSP slices |
| Block RAM | 25.1 Mb | 12.7 Mb |
| Large RAM | — | 13.5 Mb |
| Max. user I/O | 300 | 304 |
| Transceivers | 24 × GTX 12.5 Gb/s | 16 × GTY 32.75 Gb/s |
| Hard PCI Express | Gen2 | Gen3 x16 |
| Hard processor | None | None |
| Process | 28 nm | 16 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 1 | 4 |
| Design tool | AMD Vivado | AMD Vivado |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The XC7K355T has about 37% more logic capacity (356K vs 261K LUT4 equivalents).
For arithmetic, the XC7K355T has 1,440 DSP slices against 1,368 DSP slices on the XCKU3P.
Both have transceivers: 24 at up to 12.5 Gb/s on the XC7K355T and 16 at up to 32.75 Gb/s on the XCKU3P.
The XC7K355T is designed with AMD Vivado and the XCKU3P with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC7K355T (Kintex-7) and XCKU3P (Kintex UltraScale+).