XC6SLX75T vs XC7A75T
A comparison of the AMD Spartan-6 XC6SLX75T and the AMD Artix-7 XC7A75T using the data from both vendors' selection guides.
Side-by-side specifications
| XC6SLX75T | XC7A75T | |
|---|---|---|
| Vendor / family | AMD Spartan-6 | AMD Artix-7 |
| LUTs as published | 46,648 LUT6 | 47,200 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.) | ≈74,637 | ≈75,520 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 74,637 LC | 75,520 LC |
| DSP | 132 DSP48A1 slices | 180 DSP slices |
| Block RAM | 3 Mb | 3.7 Mb |
| Large RAM | — | — |
| Max. user I/O | 348 | 300 |
| Transceivers | 8 × GTP 3.2 Gb/s | 8 × GTP 6.6 Gb/s |
| Hard PCI Express | Gen1 x1 | Gen2 |
| Hard processor | None | None |
| Process | 45 nm | 28 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 3 | 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: 74.6K and 75.5K LUT4 equivalents.
For arithmetic, the XC7A75T has 180 DSP slices against 132 DSP48A1 slices on the XC6SLX75T.
The XC7A75T has more on-chip memory (3.7 Mb vs 3 Mb).
Both have transceivers: 8 at up to 3.2 Gb/s on the XC6SLX75T and 8 at up to 6.6 Gb/s on the XC7A75T.
The XC6SLX75T is designed with AMD ISE Design Suite and the XC7A75T with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: XC6SLX75T (Spartan-6) and XC7A75T (Artix-7).