XC6VLX75T vs XC7K70T
A comparison of the AMD Virtex-6 XC6VLX75T and the AMD Kintex-7 XC7K70T using the data from both vendors' selection guides.
Side-by-side specifications
| XC6VLX75T | XC7K70T | |
|---|---|---|
| Vendor / family | AMD Virtex-6 | AMD Kintex-7 |
| LUTs as published | 46,560 LUT6 | 41,000 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.) | ≈74,496 | ≈65,600 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 74,496 LC | 65,600 LC |
| DSP | 288 DSP48E1 slices | 240 DSP slices |
| Block RAM | 5.5 Mb | 4.7 Mb |
| Large RAM | — | — |
| Max. user I/O | 360 | 300 |
| Transceivers | 12 × GTX 6.6 Gb/s | 8 × GTX 12.5 Gb/s |
| Hard PCI Express | Gen2 x8 | Gen2 |
| Hard processor | None | None |
| Process | 40 nm | 28 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 2 | 2 |
| 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
The XC6VLX75T has about 14% more logic capacity (74.5K vs 65.6K LUT4 equivalents).
For arithmetic, the XC6VLX75T has 288 DSP48E1 slices against 240 DSP slices on the XC7K70T.
The XC6VLX75T has more on-chip memory (5.5 Mb vs 4.7 Mb).
Both have transceivers: 12 at up to 6.6 Gb/s on the XC6VLX75T and 8 at up to 12.5 Gb/s on the XC7K70T.
The XC6VLX75T is designed with AMD ISE Design Suite and the XC7K70T with AMD Vivado; open source: openXC7 (experimental) with Project X-Ray.
Full specifications
See the complete spec sheets with packages and grades: XC6VLX75T (Virtex-6) and XC7K70T (Kintex-7).