FPGA & adaptive SoC databook · online editionRev. 2026.10

T55 vs XC7S50

A comparison of the Efinix Trion T55 and the AMD Spartan-7 XC7S50 using the data from both vendors' selection guides.

Side-by-side specifications

T55XC7S50
Vendor / familyEfinix TrionAMD Spartan-7
Logic (LUT4-equivalent)54,19552,160
LUTs as published— LUT432,600 LUT6
Vendor logic figure54,195 LE52,160 LC
DSP150 18×18 multipliers120 DSP slices
Block RAM2.7 Mb2.6 Mb
Large RAM——
Max. user I/O278250
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process40 nm28 nm
Configuration memorySRAMSRAM
Packages33
Design toolEfinix EfinityAMD Vivado

Highlighted values are higher. Logic is compared in LUT4 equivalents; see how FPGA vendors count logic.

Key differences

Both devices offer similar logic capacity: 54.2K and 52.2K LUT4 equivalents.

They use different logic architectures: the T55 is built from LUT4 and the XC7S50 from LUT6, so the raw LUT counts (— vs 32.6K) are not directly comparable.

For arithmetic, the T55 has 150 18×18 multipliers against 120 DSP slices on the XC7S50.

The T55 is designed with Efinix Efinity and the XC7S50 with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: T55 (Trion) and XC7S50 (Spartan-7).