FPGA & adaptive SoC databook · online editionRev. 2026.10

XC6SLX150 vs XC7S100

A comparison of the AMD Spartan-6 XC6SLX150 and the AMD Spartan-7 XC7S100 using the data from both vendors' selection guides.

Side-by-side specifications

XC6SLX150XC7S100
Vendor / familyAMD Spartan-6AMD Spartan-7
LUTs as published92,152 LUT664,000 LUT6
LUT type6-input look-up table, fracturable into two LUT5 with shared inputs6-input look-up table, fracturable into two LUT5 with shared inputs
LUT4 equivalent (approx.)≈147,443≈102,400
CoreScore (SERV cores)——
Vendor logic figure147,443 LC102,400 LC
DSP180 DSP48A1 slices160 DSP slices
Block RAM4.7 Mb4.2 Mb
Large RAM——
Max. user I/O576400
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process45 nm28 nm
Configuration memorySRAMSRAM
Packages42
Design toolAMD ISE Design SuiteAMD 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 XC6SLX150 has about 44% more logic capacity (147K vs 102K LUT4 equivalents).

For arithmetic, the XC6SLX150 has 180 DSP48A1 slices against 160 DSP slices on the XC7S100.

The XC6SLX150 has more on-chip memory (4.7 Mb vs 4.2 Mb).

The XC6SLX150 is designed with AMD ISE Design Suite and the XC7S100 with AMD Vivado; open source: openXC7 (experimental) with Project X-Ray.

Full specifications

See the complete spec sheets with packages and grades: XC6SLX150 (Spartan-6) and XC7S100 (Spartan-7).