FPGA & adaptive SoC databook · online editionRev. 2026.10

XC7A35T vs XCSU45P

A comparison of the AMD Artix-7 XC7A35T and the AMD Spartan UltraScale+ XCSU45P using the data from both vendors' selection guides.

Side-by-side specifications

XC7A35TXCSU45P
Vendor / familyAMD Artix-7AMD Spartan UltraScale+
Logic (LUT4-equivalent)33,28038,400
LUTs as published20,800 LUT624,000 LUT6
Vendor logic figure33,280 LC53,000 SLC
DSP90 DSP slices96 DSP slices
Block RAM1.8 Mb2.5 Mb
Large RAM——
Max. user I/O250262
Transceivers4 × GTP 6.6 Gb/s4 × GTH 16.3 Gb/s
Hard PCI ExpressGen2Gen4 x4
Hard processorNoneNone
Process28 nm16 nm
Configuration memorySRAMSRAM
Packages53
Design toolAMD VivadoAMD Vivado

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

Key differences

The XCSU45P has about 15% more logic capacity (38.4K vs 33.3K LUT4 equivalents).

For arithmetic, the XCSU45P has 96 DSP slices against 90 DSP slices on the XC7A35T.

The XCSU45P has more on-chip memory (2.5 Mb vs 1.8 Mb).

Both have transceivers: 4 at up to 6.6 Gb/s on the XC7A35T and 4 at up to 16.3 Gb/s on the XCSU45P.

The XC7A35T is designed with AMD Vivado and the XCSU45P with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XC7A35T (Artix-7) and XCSU45P (Spartan UltraScale+).