LFMXO5-30TD vs XC6SLX25T
A comparison of the Lattice MachXO5-NX LFMXO5-30TD and the AMD Spartan-6 XC6SLX25T using the data from both vendors' selection guides.
Side-by-side specifications
| LFMXO5-30TD | XC6SLX25T | |
|---|---|---|
| Vendor / family | Lattice MachXO5-NX | AMD Spartan-6 |
| LUTs as published | 25,000 LUT4 | 15,032 LUT6 |
| LUT type | 4-input look-up table | 6-input look-up table, fracturable into two LUT5 with shared inputs |
| LUT4 equivalent (approx.) | ≈25,000 | ≈24,051 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 30,000 LC | 24,051 LC |
| DSP | 48 18×18 multipliers | 38 DSP48A1 slices |
| Block RAM | 0.8 Mb | 0.9 Mb |
| Large RAM | 0.5 Mb | — |
| Max. user I/O | 368 | 250 |
| Transceivers | 1 × SERDES | 2 × GTP 3.2 Gb/s |
| Hard PCI Express | Gen2 | Gen1 x1 |
| Hard processor | None | None |
| Process | 28 nm | 45 nm |
| Configuration memory | Internal flash | SRAM |
| Packages | 3 | 2 |
| Design tool | Lattice Radiant | AMD ISE Design Suite |
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: 25K and 24.1K LUT4 equivalents.
They use different logic architectures: the LFMXO5-30TD is built from LUT4 and the XC6SLX25T from LUT6, so the raw LUT counts (25K vs 15K) are not directly comparable.
For arithmetic, the LFMXO5-30TD has 48 18×18 multipliers against 38 DSP48A1 slices on the XC6SLX25T.
The LFMXO5-30TD has more on-chip memory (1.3 Mb vs 0.9 Mb).
Both have transceivers: 1 at up to 0 Gb/s on the LFMXO5-30TD and 2 at up to 3.2 Gb/s on the XC6SLX25T.
Configuration memory: internal flash on the LFMXO5-30TD, sram on the XC6SLX25T.
The LFMXO5-30TD is designed with Lattice Radiant and the XC6SLX25T with AMD ISE Design Suite.
Full specifications
See the complete spec sheets with packages and grades: LFMXO5-30TD (MachXO5-NX) and XC6SLX25T (Spartan-6).