FPGA & adaptive SoC databook · online editionRev. 2026.10

XC6VSX475T vs XC7VX485T

A comparison of the AMD Virtex-6 XC6VSX475T and the AMD Virtex-7 XC7VX485T using the data from both vendors' selection guides.

Side-by-side specifications

XC6VSX475TXC7VX485T
Vendor / familyAMD Virtex-6AMD Virtex-7
LUTs as published297,600 LUT6303,600 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.)≈476,160≈485,760
CoreScore (SERV cores)——
Vendor logic figure476,160 LC485,760 LC
DSP2,016 DSP48E1 slices2,800 DSP slices
Block RAM37.4 Mb36.2 Mb
Large RAM——
Max. user I/O840700
Transceivers36 × GTX 6.6 Gb/s56 × GTX 12.5 Gb/s
Hard PCI ExpressGen2 x8Gen2
Hard processorNoneNone
Process40 nm28 nm
Configuration memorySRAMSRAM
Packages25
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

Both devices offer similar logic capacity: 476K and 486K LUT4 equivalents.

For arithmetic, the XC7VX485T has 2,800 DSP slices against 2,016 DSP48E1 slices on the XC6VSX475T.

Both have transceivers: 36 at up to 6.6 Gb/s on the XC6VSX475T and 56 at up to 12.5 Gb/s on the XC7VX485T.

The XC6VSX475T is designed with AMD ISE Design Suite and the XC7VX485T with AMD Vivado.

Full specifications

See the complete spec sheets with packages and grades: XC6VSX475T (Virtex-6) and XC7VX485T (Virtex-7).