LFD2NX-9 vs XC7S6
A comparison of the Lattice Certus-NX LFD2NX-9 and the AMD Spartan-7 XC7S6 using the data from both vendors' selection guides.
Side-by-side specifications
| LFD2NX-9 | XC7S6 | |
|---|---|---|
| Vendor / family | Lattice Certus-NX | AMD Spartan-7 |
| Logic (LUT4-equivalent) | 7,500 | 6,003 |
| LUTs as published | 7,500 LUT4 | 3,752 LUT6 |
| Vendor logic figure | 9,000 LC | 6,000 LC |
| DSP | 12 18×18 multipliers | 10 DSP slices |
| Block RAM | 0.3 Mb | 0.2 Mb |
| Large RAM | 1.5 Mb | — |
| Max. user I/O | 77 | 100 |
| Transceivers | None | None |
| Hard PCI Express | None | None |
| Hard processor | None | None |
| Process | 28 nm | 28 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 2 | 3 |
| Design tool | Lattice Radiant | AMD Vivado |
Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.
Key differences
The LFD2NX-9 has about 25% more logic capacity (7.5K vs 6K LUT4 equivalents).
They use different logic architectures: the LFD2NX-9 is built from LUT4 and the XC7S6 from LUT6, so the raw LUT counts (7.5K vs 3.8K) are not directly comparable.
For arithmetic, the LFD2NX-9 has 12 18×18 multipliers against 10 DSP slices on the XC7S6.
The LFD2NX-9 has more on-chip memory (1.8 Mb vs 0.2 Mb).
The LFD2NX-9 is designed with Lattice Radiant and the XC7S6 with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: LFD2NX-9 (Certus-NX) and XC7S6 (Spartan-7).